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All questions of February Week 2 for UPSC CSE Exam

Find the leap year?
  • a)
    700
  • b)
    2000
  • c)
    900
  • d)
    1000
Correct answer is option 'B'. Can you explain this answer?

Arun Sharma answered
Remember the leap year rule:
  • Every year divisible by 4 is a leap year, if it is not a century.
  • Every 4th century is a leap year, but no other century is a leap year.
  • 800,1200 and 2000 comes in the category of 4th century (such as 400,800,1200,1600,2000 etc).
Hence, 800,1200 and 2000 are leap years.

The century can end with
  • a)
    Sunday
  • b)
    Saturday
  • c)
    Thursday
  • d)
    Tuesday
Correct answer is option 'A'. Can you explain this answer?

Dhruv Mehra answered
100 years contain 5 odd days.

 Last day of 1st century is Friday.

200 years contain (5 x 2)  3 odd days.

 Last day of 2nd century is Wednesday.

300 years contain (5 x 3) = 15  1 odd day.

 Last day of 3rd century is Monday.

400 years contain 0 odd day.

 Last day of 4th century is Sunday.

This cycle is repeated.

 Last day of a century cannot be Tuesday or Thursday or Saturday.
hence,sunday is left only

what was the day of Aug15 1955?
  • a)
    Sunday
  • b)
    Monday
  • c)
    Tuesday
  • d)
    Friday
Correct answer is option 'B'. Can you explain this answer?

Dhruv Mehra answered
 Date Facts:
August 15, 1955 was a Monday
Zodiac Sign for this date is: Leo
This date was 22,955 days ago
August 15th 2018 is on a Wednesday
Someone born on this date is 62 years old

In 1674 Shivaji was coronated at a place which became his capital. Identify it.
  • a)
    Jinji
  • b)
    Raigarh
  • c)
    Surat
  • d)
    Kalyan
Correct answer is option 'B'. Can you explain this answer?

Malavika Datta answered
Shivaji's Capital: Raigad

Shivaji Bhonsle, popularly known as Chhatrapati Shivaji Maharaj, was a Maratha warrior and the founder of the Maratha Empire in western India during the 17th century. He played a significant role in establishing an independent Maratha kingdom and resisting the Mughal Empire's expansion in the region.

Coronation of Shivaji:
In 1674, Shivaji was coronated as the Chhatrapati, or ruler, at a grand ceremony held at Raigad. This event marked the formal establishment of his reign and the beginning of his rule as an independent king.

Location of Raigad:
Raigad is a hill fort located in the Raigad district of Maharashtra, India. Situated approximately 1,370 meters above sea level, it offers a strategic vantage point with panoramic views of the surrounding regions. The fort is known for its architectural brilliance and historical significance, making it an ideal choice as Shivaji's capital.

Reasons for Choosing Raigad:
Several factors influenced Shivaji's decision to choose Raigad as his capital:

1. Strategic Location: Raigad's hilltop position made it a naturally fortified site, providing a strong defensive advantage against potential attacks.

2. Accessibility: The fort's location was easily accessible from various parts of Maharashtra, facilitating easier administration and communication.

3. Symbolic Significance: Shivaji wanted a capital that symbolized his power and authority. Raigad's imposing fortifications and scenic beauty helped create an aura of grandeur and majesty, befitting a ruler of his stature.

4. Resource Availability: Raigad had ample water sources and fertile land, ensuring the availability of essential resources for sustenance and economic development.

5. Administrative Efficiency: The fort's layout and design allowed for efficient governance and administration, with separate areas designated for various functions such as residential quarters, administrative offices, and military installations.

Legacy of Raigad:
Raigad remained the capital of the Maratha Empire until Shivaji's death in 1680. The fort and its surroundings are now a popular tourist attraction, showcasing the rich history and architectural brilliance of the Maratha era. Visiting Raigad provides a glimpse into Shivaji's reign and the glorious past of the Maratha Empire.

Which port on the western coast was attacked and plundered by Shivaji in 1664?
  • a)
    Surat
  • b)
    Chaul
  • c)
    Goa
  • d)
    Bassein
Correct answer is option 'A'. Can you explain this answer?

Shanti Verma answered
According to James Grant Duff, a captain in the British India Regiment, Surat was attacked by Shivaji on 5 January 1664. Surat was a wealthy port city in Mughal empire for the sea trade of the era.

which calendar year will be same as the year 2008?
  • a)
    2018
  • b)
    2020
  • c)
    1980
  • d)
    1960
Correct answer is option 'C'. Can you explain this answer?

Kiran Reddy answered
For every 28 years, the calendars will same,
so the years 2008,2036 have the same calendar as 1980.

Afzal Khan was a military  commander who had been sent to punish Shivaji. He belonged to
  • a)
    Malwa
  • b)
    Bengal
  • c)
    Bijapur
  • d)
    Ahmadnagar
Correct answer is option 'C'. Can you explain this answer?

Ankit Kumar answered
(Correct Answer:-C)

Afzal Khan was a medieval Indian commander who served the Adil Shahi dynasty of Bijapur, and fought against Shivaji. He was killed at a meeting with Shivaji and his army was defeated in the Battle of Pratapgad 1656.

Regarding the lens, consider the following statements:
1. A transparent material bound by two surfaces, of which one or both surfaces are spherical, forms a lens.
2. A lens, either a convex lens or a concave lens, has two spherical surfaces.
Which of the statements given above is/are correct?
  • a)
    1 Only
  • b)
    2 Only
  • c)
    Both 1 and 2
  • d)
    Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?

Amit Sharma answered
  • A transparent material bound by two surfaces, of which one or both surfaces are spherical, forms a lens. This means that a lens is bound by at least one spherical surface. In such lenses, the other surface would be plane. A lens may have two spherical surfaces, bulging outwards. Such a lens is called a double convex lens. It is simply called a convex lens. It is thicker at the middle as compared to the edges.
  • Similarly, a double concave lens is bounded by two spherical surfaces, curved inwards. It is thicker at the edges than at the middle. A double concave lens is simply called a concave lens.A lens, either a convex lens or a concave lens, has two spherical surfaces. Each of these surfaces forms a part of a sphere.

The  first fort captured by Shivaji was
  • a)
    Raigarh
  • b)
    Pratapgarh
  • c)
    Torna
  • d)
    Javli
Correct answer is option 'C'. Can you explain this answer?

Stuti Rane answered
Torna Fort, also known as Prachandagad, is a large fort located in Pune district, in the Indian state of Maharashtra. It is historically significant because it was the first fort captured by Chatrapati Shivaji Maharaj in 1646, at the age of 16, forming the nucleus of the Maratha empire.

Sambhaji was captured by a Mughal noble and executed in 1689 on the orders of Aurangazeb.Who was the Mughal noble and where was he captured?
  • a)
    Raja Jai Singh—Jinji
  • b)
    Muqurrab Khan—Sangameshvar
  • c)
    Shaista Khan—Purandhar
  • d)
    Dilir Khan—Raigarh
Correct answer is option 'B'. Can you explain this answer?

Neha Desai answered
The correct answer is option 'B' - Muqurrab Khan, and Sambhaji was captured in Sangameshvar.

Explanation:
Muqurrab Khan, a Mughal noble, was responsible for capturing Sambhaji, the son of Shivaji, in 1689. Sambhaji was a Maratha ruler and the second Chhatrapati of the Maratha Empire. After the death of his father, Shivaji, Sambhaji ascended to the throne in 1680.

Capture of Sambhaji:
Muqurrab Khan, along with his Mughal forces, captured Sambhaji near Sangameshvar, which is located in present-day Maharashtra, India. The exact details of the capture are not widely documented, but it is known that Sambhaji was betrayed by his own people and handed over to the Mughals.

Role of Aurangzeb:
Aurangzeb, the Mughal Emperor at that time, ordered the capture and execution of Sambhaji. Aurangzeb had a strained relationship with Sambhaji's father, Shivaji, and viewed the Maratha Empire as a threat to Mughal power in the region. Aurangzeb saw Sambhaji as a rebel and sought to eliminate him.

Execution of Sambhaji:
After his capture, Sambhaji was subjected to a brutal torture and execution. Aurangzeb wanted to make an example out of Sambhaji to deter any future rebellions against Mughal rule. Sambhaji was brutally tortured for several days, and on March 11, 1689, he was executed by being brutally killed with various methods, including being dismembered.

Impact of Sambhaji's Execution:
The execution of Sambhaji had a significant impact on the Maratha Empire. It led to a period of instability and conflict between the Marathas and the Mughals. Sambhaji's younger brother, Rajaram, succeeded him as the ruler of the Maratha Empire and continued the resistance against the Mughals.

In conclusion, Muqurrab Khan was the Mughal noble responsible for capturing Sambhaji, and he was captured in Sangameshvar. Sambhaji's capture and subsequent execution by Aurangzeb had a profound impact on the Maratha Empire and led to ongoing conflict between the Marathas and the Mughals.

Shivaji escaped from Mughal detention at  Agra in
  • a)
    1665
  • b)
    1666
  • c)
    1668
  • d)
    1670
Correct answer is option 'B'. Can you explain this answer?

Ræjû Bhæï answered
Clever Shivaji was waiting for this opportunity. It was 17th August 1666, that Shivaji and his son Sambhaji escaped the guesthouse hiding in these baskets.

Which of the following laws states that- the electric current flowing through a metallic wire is directly proportional to the potential difference V, across its ends, provided its temperature remains the same?
  • a)
    Faraday's law
  • b)
    Charles’s law
  • c)
    Ohm’s law
  • d)
    Fleming's law
Correct answer is option 'C'. Can you explain this answer?

Eshaan Kapoor answered
  • In 1827, a German physicist Georg Simon Ohm (1787–1854) found out the relationship between the current I, flowing in a metallic wire and the potential difference across its terminals.
  • He stated that the electric current flowing through a metallic wire is directly proportional to the potential difference V, across its ends provided its temperature remains the same. This is called Ohm’s law.

What is the main role of the Intergovernmental Panel on Climate Change (IPCC)?
  • a)
    To conduct research on climate change and monitor climate-related data
  • b)
    To provide governments with a clear scientific view of what is happening to the world's climate through the assessment of scientific, technical, and socioeconomic information
  • c)
    To implement policies and measures to combat climate change
  • d)
    To monitor and enforce the implementation of the Kyoto Protocol and the Paris Agreement
Correct answer is option 'B'. Can you explain this answer?

Arshiya Patel answered
The main role of the Intergovernmental Panel on Climate Change (IPCC) is to provide governments with a clear scientific view of what is happening to the world's climate through the assessment of scientific, technical, and socioeconomic information.

Role of the IPCC:
- Evaluating Scientific Information: The IPCC assesses a wide range of scientific, technical, and socioeconomic information relevant to the understanding of climate change. This includes research on the physical science of climate change, impacts, adaptation, and mitigation strategies.
- Informing Policymakers: By synthesizing and summarizing the latest scientific research, the IPCC provides policymakers with a comprehensive and authoritative view of the state of climate change. This information helps governments make informed decisions on how to address the challenges posed by climate change.
- Assessing Impacts and Risks: The IPCC evaluates the potential impacts of climate change on various sectors, such as agriculture, water resources, health, and ecosystems. This information is crucial for policymakers to develop effective adaptation strategies.
- Guiding Mitigation Efforts: The IPCC also assesses the effectiveness of different mitigation measures to reduce greenhouse gas emissions and limit global warming. This information helps governments design and implement policies to meet their climate targets.
- Enhancing Global Cooperation: By providing a common scientific basis for understanding climate change, the IPCC promotes global cooperation and collaboration in addressing this global challenge. This is essential for achieving the goals of international agreements such as the Paris Agreement.
In conclusion, the IPCC plays a crucial role in informing and guiding policymakers on climate change by synthesizing the latest scientific research and providing a comprehensive assessment of the state of the world's climate.

If the current through the wire increases, the magnitude of the magnetic field produced at a given point:
  • a)
    Increases
  • b)
    Decreases
  • c)
    Firstly increases and then decreases
  • d)
    Can’t comment anything
Correct answer is option 'A'. Can you explain this answer?

Kavita Mehta answered
The current flowing through a conductor is directly proportional to magnetic field. As the electric current through the wire increases, the magnitude of the magnetic field produced at a given point increases.

Assertion (A) : China is a leading producer of Rice but does not export rice.
Reason (R) : Chinese rice is of inferior quality and there is no
demand for it in the international market.
  • a)
    Both A and R are true and R Explains A
  • b)
    Both A and R are true but R does not explain A
  • c)
    A is true but R is false
  • d)
    A is false but R is true
Correct answer is option 'C'. Can you explain this answer?

Kirti Singh answered
Assertion (A): China is a leading producer of Rice but does not export rice.
Reason (R): Chinese rice is of inferior quality and there is no demand for it in the international market.

The correct answer is option 'C', which means Assertion (A) is true but Reason (R) is false.

Explanation:

China as a leading producer of rice:
China is indeed one of the world's leading producers of rice. It has a long history of rice cultivation and is known for its vast rice fields, diverse rice varieties, and advanced farming techniques. Rice is a staple food in China, and the country has been able to achieve self-sufficiency in rice production due to its large agricultural sector and favorable climatic conditions for rice cultivation.

China's rice exports:
Contrary to the assertion, China does export rice, although its export volume is relatively small compared to its production. China exports rice to various countries, including neighboring countries in Asia, Africa, and the Middle East. However, China's rice exports are limited due to several factors such as domestic demand, government policies, and competition from other major rice-exporting countries.

Quality of Chinese rice:
Chinese rice is not of inferior quality. China produces a wide range of rice varieties, including both long-grain and short-grain rice, which are valued for their distinct flavors, textures, and cooking properties. Some Chinese rice varieties, such as Jasmine rice and Glutinous rice, are highly sought after in the international market for their unique characteristics.

Demand for Chinese rice in the international market:
There is indeed a demand for Chinese rice in the international market. Chinese rice is known for its quality and is exported to meet the demand from various countries. The demand for Chinese rice is influenced by factors such as price competitiveness, trade policies, and consumer preferences in different regions. While China faces competition from other major rice-exporting countries like India, Thailand, and Vietnam, it still manages to export rice to meet the demand of specific markets.

Conclusion:
In conclusion, Assertion (A) is true as China is a leading producer of rice. However, Reason (R) is false as Chinese rice is not of inferior quality, and there is indeed a demand for it in the international market.

Shahji Pplayed  the role of a king-maker for
  • a)
    Ahmadnagar
  • b)
    Bijapur
  • c)
    Golcunda
  • d)
    Malwa
Correct answer is option 'A'. Can you explain this answer?

Tejas Rane answered
The correct option is A.
Shahaji Bhosale (1602–1664) was a military leader of 17th century India, who served the Ahmadnagar Sultanate, the Bijapur Sultanate, and the Mughal Empire at various points in his career.

If 09/12/2001(DD/MM/YYYY) happens to be Sunday, then 09/12/1971 would have been a
  • a)
    Wednesday
  • b)
    Thursday
  • c)
    Saturday
  • d)
    Tuesday
Correct answer is option 'B'. Can you explain this answer?

30 years. The number of leap years is 8 (1972,1976,1980,1984,1988,1992,1996,2000).
So, the total number of days = 22*365 + 8*366 = 10958
10958 mod 7 = 3
Since 9/12/2001 is a Sunday, 9/12/1971 should be a Thursday.

If 15 March 1816 was Friday, what day of the week would 15th April 1916 be?
  • a)
    Monday
  • b)
    Saturday
  • c)
    Thursday
  • d)
    Wednesday 
Correct answer is option 'B'. Can you explain this answer?

Mihir Majumdar answered

Explanation:

Calculating the number of days between 15th March 1816 and 15th April 1916:
- From 15th March 1816 to 15th March 1916, it is 100 years.
- From 15th March 1916 to 15th April 1916, it is 31 days (including both the start and end dates).

Calculating the total number of days:
- 100 years have 25 leap years and 75 common years (since every fourth year is a leap year except for centuries not divisible by 400).
- So, there are 25 * 2 + 75 * 1 = 125 extra days from leap years.
- Total days = 100 years * 365 days/year + 125 leap days = 36525 days + 125 days = 36650 days.

Calculating the day of the week:
- Since 15th March 1816 was a Friday, adding 36650 days to it will lead us to the day of the week on 15th April 1916.

Conclusion:
- As the number of days is a multiple of 7 (36650 = 5235 * 7), the day of the week will be the same as it was on 15th March 1816.
- Therefore, 15th April 1916 will also be a Saturday.

From whom did Shahji receive Poona as a jagir?
  • a)
    The Mughals
  • b)
    The Adil Shahis
  • c)
    The Nizam Shahis
  • d)
    The Portuguese
Correct answer is option 'C'. Can you explain this answer?

Akanksha Saha answered
Shahji Bhonsle was a Maratha general and father of the famous Maratha king, Shivaji. He received Poona as a jagir from the Nizam Shahi dynasty.

Details:

- Shahji Bhonsle was appointed as a jagirdar (landlord) by the Adil Shahi dynasty of Bijapur.
- After the collapse of the Adil Shahi dynasty, the Nizam Shahi dynasty came to power in Ahmednagar.
- Shahji Bhonsle switched his allegiance to the new rulers and became a jagirdar under them.
- As a jagirdar, he was granted the revenue rights of Poona, Supa, and Indapur regions in present-day Maharashtra.
- Shahji Bhonsle established his base in Poona and developed it as a center of Maratha power.
- He also participated in various military campaigns and expanded his territory.
- After his death, his son Shivaji continued his legacy and became the founder of the Maratha Empire.

In conclusion, Shahji Bhonsle received Poona as a jagir from the Nizam Shahi dynasty. This played a crucial role in the rise of Maratha power in the region.

When was the first Cooperative Society law formed in India?
  • a)
    1950
  • b)
    1947
  • c)
    1904
  • d)
    1948
Correct answer is option 'C'. Can you explain this answer?

Avantika Das answered
Introduction to Cooperative Societies in India
The concept of cooperative societies in India has its roots in the late 19th century, aimed at empowering rural communities and promoting self-help among farmers and workers. The first significant legislation in this area was the Cooperative Societies Act of 1904.
Historical Context
- The cooperative movement emerged as a response to the exploitation faced by farmers and laborers under colonial rule.
- The need for a structured approach to cooperative societies led to the formation of laws that would govern their functioning.
The Cooperative Societies Act, 1904
- Enacted in 1904, this law was the first formal legislation for cooperative societies in India.
- It aimed to facilitate the establishment and functioning of cooperative societies, providing a legal framework for their operations.
- The Act defined the structure, governance, and operations of cooperatives, ensuring that members could work together for mutual benefit.
Significance of the 1904 Act
- The Act marked a crucial turning point in India's cooperative movement.
- It laid the groundwork for the establishment of various types of cooperatives, including agricultural, consumer, and credit cooperatives.
- The legislation aimed to promote self-reliance and economic empowerment among marginalized communities.
Conclusion
The Cooperative Societies Act of 1904 remains a historical landmark in India's journey towards cooperative development, setting a precedent for subsequent legislation and reforms in the cooperative sector. Understanding this law is essential for grasping the evolution of cooperative societies in India and their impact on rural and economic development.

 What is the main focus of the Bali Action Plan (BAP)?
  • a)
    Implementation of the Kyoto Protocol
  • b)
    Long-term cooperative action on climate change, including mitigation, adaptation, technology development and transfer, and financial resources
  • c)
    Reducing greenhouse gas emissions in developing countries
  • d)
    Promoting sustainable development and green economy
Correct answer is option 'B'. Can you explain this answer?

Diya Singh answered
The main focus of the Bali Action Plan (BAP) is option 'B': Long-term cooperative action on climate change, including mitigation, adaptation, technology development and transfer, and financial resources. Let's understand this in detail:

Long-term cooperative action:
- The Bali Action Plan was established during the 2007 United Nations Climate Change Conference in Bali, Indonesia. It aimed to provide a roadmap for addressing climate change beyond the expiration of the Kyoto Protocol in 2012.
- The plan emphasized the need for long-term cooperation among all countries to combat climate change effectively.

Mitigation:
- Mitigation refers to efforts aimed at reducing greenhouse gas emissions to minimize the impacts of climate change. The Bali Action Plan recognized the importance of mitigation actions and called for cooperative efforts by all countries.
- It emphasized the need for developed countries to take the lead in reducing emissions, while developing countries were encouraged to contribute according to their capabilities.

Adaptation:
- Adaptation involves adjusting and preparing for the impacts of climate change to reduce vulnerability and enhance resilience. The Bali Action Plan acknowledged the significance of adaptation measures.
- It emphasized the need to enhance the capacity of developing countries to adapt to the adverse effects of climate change, including the provision of financial and technological support.

Technology development and transfer:
- Technology plays a crucial role in addressing climate change. The Bali Action Plan recognized the importance of technology development and transfer for both mitigation and adaptation efforts.
- It called for enhanced cooperation and support to facilitate the development, deployment, and transfer of environmentally sound technologies to developing countries.

Financial resources:
- Addressing climate change requires substantial financial resources. The Bali Action Plan highlighted the need for adequate and predictable financial support to developing countries.
- It emphasized the importance of scaling up financial resources from various sources, including public and private, bilateral and multilateral, to support mitigation and adaptation actions.

In summary, the main focus of the Bali Action Plan is to establish long-term cooperative action among countries to address climate change comprehensively. This includes efforts in mitigation, adaptation, technology development and transfer, and financial resources. The plan recognizes the differing responsibilities and capabilities of developed and developing countries and emphasizes the need for support to ensure a fair and effective global response to climate change.

Which of the following uses a concave mirror?
1. Torches
2. Vehicles headlights
3. Dentists to see larger images of the patient's teeth.
4. Shaving mirror
Select the correct answer using the code given below:
  • a)
    1 and 2 only
  • b)
    2, 3 and 4 Only
  • c)
    1, 3 and 4 only
  • d)
    All of the above
Correct answer is option 'D'. Can you explain this answer?

Vikram Kapoor answered
  • Concave mirrors are commonly used in torches, searchlights and vehicles headlights to get powerful parallel beams of light as these mirrors possess the ability to focus parallel rays of light to a point, produce a large size image.
  • They are often used as shaving mirrors to see a larger image of the face The dentists use concave mirrors to see large images of the teeth of patients.Large concave mirrors are used to concentrate sunlight to produce heat in solar furnaces.

The major agricultural regions of the world were first delineated by
  • a)
    L.D. Stamp
  • b)
    H. Bobek
  • c)
    D. Whittlesey
  • d)
    J.E. Spencer
Correct answer is option 'C'. Can you explain this answer?

The correct answer to the question is option 'C', D. Whittlesey.

Explanation:
Agricultural regions are geographical areas with distinct characteristics and conditions that make them suitable for different types of agricultural activities. These regions are determined based on factors such as climate, soil conditions, topography, and water availability. The major agricultural regions of the world were first delineated by D. Whittlesey.

1. Introduction to D. Whittlesey:
D. Whittlesey refers to Derwent Whittlesey, an American geographer who made significant contributions to the field of agricultural geography. He conducted extensive research and analysis to identify and classify the major agricultural regions of the world.

2. Importance of Agricultural Regions:
Understanding agricultural regions is crucial for various reasons:
- It helps in identifying the type of crops or livestock that can be grown or raised in a particular region.
- It aids in understanding patterns of agricultural production and distribution.
- It assists in analyzing the impact of environmental factors on agricultural practices.
- It provides insight into the relationship between agriculture and economic development.

3. Delineation of Agricultural Regions:
D. Whittlesey used a comprehensive approach to delineate the major agricultural regions of the world. He considered several factors, including climate, soil fertility, topography, and water availability.

4. Whittlesey's Classification:
Whittlesey classified the major agricultural regions into eleven categories:
1. Intensive subsistence agriculture
2. Plantation agriculture
3. Mixed farming
4. Mediterranean agriculture
5. Commercial grain farming
6. Livestock ranching
7. Commercial gardening and fruit farming
8. Dairy farming
9. Grain farming
10. Shifting cultivation
11. Pastoral nomadism

5. Influence and Legacy:
D. Whittlesey's classification of agricultural regions has had a lasting impact on the field of agricultural geography. His work provided a framework for understanding the diversity of agricultural practices across the globe. Researchers and policymakers continue to use Whittlesey's classification system as a basis for studying agricultural regions and formulating agricultural policies.

In conclusion, D. Whittlesey was responsible for first delineating the major agricultural regions of the world. His classification system has been widely adopted and serves as a foundational framework for understanding agricultural practices and patterns globally.

Which of the following inorganic gases are filled in bulbs?
1. Nitrogen
2. Helium
3. Argon
4. Hydrogen
  • a)
    1 and 3 Only
  • b)
    1 and 4 Only
  • c)
    3 and 4 Only
  • d)
    2 and 3 Only
Correct answer is option 'A'. Can you explain this answer?

Dishani Das answered
Inorganic gases are often used to fill bulbs for various purposes. Among the options provided, the gases commonly filled in bulbs are nitrogen and argon.

Nitrogen (N2):
- Nitrogen is an inert gas that is commonly used to fill bulbs, especially in applications where air is not desired due to its reactive components.
- It is a colorless and odorless gas, making it suitable for filling bulbs as it does not interfere with the appearance or function of the bulb.
- Nitrogen gas is widely available and relatively inexpensive, making it a popular choice for filling bulbs.

Argon (Ar):
- Argon is another inert gas that is often used to fill bulbs.
- Like nitrogen, argon is also colorless and odorless, making it suitable for various applications.
- Argon gas has better thermal insulation properties compared to nitrogen, making it useful for filling bulbs in certain applications, such as incandescent light bulbs or insulated windows.
- It is also commonly used in gas-discharge lamps, such as fluorescent lamps, neon signs, and plasma displays.

Helium (He) and Hydrogen (H2):
- Unlike nitrogen and argon, helium and hydrogen are not commonly used to fill bulbs.
- Helium is a lighter-than-air gas and is primarily used for filling balloons, airships, and as a coolant in certain applications.
- Hydrogen is highly flammable and is not suitable for filling bulbs due to safety concerns.

Therefore, the correct options among the given choices are 1 (nitrogen) and 3 (argon) only. These gases are commonly used to fill bulbs for various applications, providing inert properties and thermal insulation when required.

Which of the following places, witnesses the emergence of a modern human species?
  • a)
    Europe
  • b)
    Africa
  • c)
    India
  • d)
    North America
Correct answer is option 'B'. Can you explain this answer?

The emergence of a modern human species

The correct answer is option 'B', Africa. Africa is widely recognized as the birthplace of Homo sapiens, the modern human species. The emergence of modern humans is understood through archaeological and genetic evidence, which overwhelmingly supports Africa as the origin.

Archaeological evidence
- Fossil finds: Numerous fossil discoveries have been made in Africa, including those of early hominin species such as Homo habilis, Homo erectus, and Homo neanderthalensis. These fossils provide crucial insights into the evolutionary history of humans.
- Oldest known Homo sapiens fossils: The oldest known Homo sapiens fossils have been found in Africa. For example, the fossils from Jebel Irhoud in Morocco, dating back to approximately 300,000 years ago, represent some of the earliest members of our species.
- Stone tools: Stone tools found in Africa, such as those from sites in Ethiopia and Kenya, demonstrate advanced technological abilities of early humans and provide evidence of their presence and cultural development in Africa.

Genetic evidence
- Genetic diversity: Genetic studies have shown that modern humans display the highest genetic diversity in Africa. This indicates that Africa was the ancestral homeland from which human populations dispersed to other parts of the world.
- Mitochondrial DNA: Mitochondrial DNA studies have revealed that all non-African populations today trace their ancestry back to a single population of Homo sapiens that migrated out of Africa around 70,000 years ago. This supports the theory of an African origin for modern humans.
- Y-chromosome DNA: Y-chromosome DNA studies have also provided evidence of an African origin for modern humans. The most recent common ancestor of all living humans is believed to have lived in Africa approximately 200,000 years ago.

Conclusion
The emergence of a modern human species is firmly rooted in Africa based on both archaeological and genetic evidence. Africa's rich fossil record and genetic diversity provide strong support for the idea that Homo sapiens originated and evolved in Africa before spreading to other parts of the world.

Which of the following is the correct cause of the twinkling of stars?
  • a)
    Scattering of light
  • b)
    Refraction of light
  • c)
    Total internal reflection of light
  • d)
    Diffraction of light
Correct answer is option 'B'. Can you explain this answer?

Sahana Patel answered
Understanding the Twinkling of Stars
The twinkling of stars, also known as stellar scintillation, is primarily caused by the refraction of light as it passes through the Earth's atmosphere.
Key Factors Contributing to Twinkling:
- Atmospheric Layers: The Earth's atmosphere consists of multiple layers with varying temperatures and densities. Light from stars must travel through these layers before reaching our eyes.
- Refraction: As light passes through different atmospheric layers, it bends or refracts due to changes in air density. This bending effect is more pronounced when the atmosphere is turbulent, which is often the case.
- Variable Conditions: Changes in temperature and pressure in the atmosphere cause fluctuations in the light path. These variations lead to the star's position appearing to shift slightly and its brightness changing.
- Observational Effects: The combined effect of refraction and atmospheric turbulence causes stars to appear to twinkle. This effect is more noticeable for stars that are farther away because their light travels through more of the atmosphere.
Why Other Options Are Incorrect:
- Scattering of Light: While scattering affects how we see the sky (e.g., blue sky, red sunsets), it does not significantly contribute to the twinkling of stars.
- Total Internal Reflection: This phenomenon occurs when light hits a boundary at a specific angle, causing it to reflect entirely within a medium. It is not responsible for twinkling.
- Diffraction of Light: Although diffraction can alter light's path, it is not the primary cause of the rapid changes in brightness and position associated with twinkling.
In conclusion, the twinkling of stars is fundamentally a result of the refraction of light as it traverses the various layers of the Earth's atmosphere.

The leading producer of natural rubber in the world is
  • a)
    India
  • b)
    Indonesia
  • c)
    Malaysia
  • d)
    Thailand
Correct answer is option 'D'. Can you explain this answer?

Kishan Kumar answered
The leading producer of natural rubber in the world is Thailand. In 2020, Thailand produced around 4.8 million metric tons of natural rubber, accounting for around 37% of the global natural rubber production. Other major producers of natural rubber include Indonesia, Vietnam, India, and Ivory Coast. The demand for natural rubber is high worldwide, and it is used in various industries, including automotive, construction, and healthcare. The top consumers of natural rubber are China, the United States, and India.

Assertion (A) : USA grows sugarcane in the Gulf coast region.
Reason (R) : The climate of this region is warm and moist.
  • a)
    Both A and R are true and R Explains A
  • b)
    Both A and R are true but R does not explain A
  • c)
    A is true but R is false
  • d)
    A is false but R is true
Correct answer is option 'A'. Can you explain this answer?

Amit Kumar answered
The sugarcane plant thrives best in tropical hot sunny areas. The “ideal” climate for production of maximum sugar from sugarcane is characterized as: A long, warm growing season with a high incidence of solar radiation and adequate moisture (rainfall) - the plant uses from 148 to 300g of water to produce 1.0g of dry substance. That is the reason for the growth of sugarcane in the Gulf coast region.

What is the role of the UNFCCC in international negotiations on climate change?
  • a)
    To negotiate and adopt specific international agreements on climate change
  • b)
    To provide funding for climate change adaptation and mitigation
  • c)
    To promote renewable energy
  • d)
    To monitor and report on greenhouse gas emissions
Correct answer is option 'A'. Can you explain this answer?

Anjali Kumar answered
The United Nations Framework Convention on Climate Change (UNFCCC) plays a crucial role in international negotiations on climate change. It was established in 1992 as a response to the growing concern over the impacts of climate change and the need for global cooperation to address this issue. The UNFCCC serves as the primary international forum for negotiating and adopting agreements to combat climate change.

Negotiating and Adopting International Agreements
The primary role of the UNFCCC is to negotiate and adopt specific international agreements on climate change. The most significant agreement negotiated under the UNFCCC is the Paris Agreement, which was adopted in 2015. The Paris Agreement sets out a global framework to limit global warming to well below 2 degrees Celsius above pre-industrial levels and aims to pursue efforts to limit the temperature increase to 1.5 degrees Celsius. The UNFCCC facilitates negotiations among its member states to reach consensus on key issues related to climate change mitigation, adaptation, finance, and technology transfer.

Promoting Renewable Energy
While the UNFCCC does not have a direct role in promoting renewable energy, it supports the transition to low-carbon economies through various mechanisms. For example, the Clean Development Mechanism (CDM) established under the Kyoto Protocol, which is an international treaty under the UNFCCC, promotes sustainable development and emission reduction projects in developing countries. Many of these projects focus on renewable energy, such as wind, solar, and hydropower, contributing to the promotion of renewable energy globally.

Monitoring and Reporting on Greenhouse Gas Emissions
The UNFCCC plays a critical role in monitoring and reporting greenhouse gas emissions. Member states are required to submit national greenhouse gas inventories and other relevant information to the UNFCCC Secretariat. This information is used to track progress towards meeting emission reduction targets and to assess the effectiveness of climate change policies and measures implemented by countries. The UNFCCC also facilitates the review of these reports and provides guidance to member states on improving the accuracy and transparency of their emissions data.

Conclusion
In conclusion, the UNFCCC's role in international negotiations on climate change is to negotiate and adopt specific international agreements. It also plays a role in promoting renewable energy through mechanisms like the CDM and monitors and reports on greenhouse gas emissions. The UNFCCC serves as a crucial platform for global cooperation and collaboration in addressing the urgent challenge of climate change.

Who regulates the registration and other activities of a cooperative society?
  • a)
    NABARD
  • b)
    SBI
  • c)
    SEBI
  • d)
    RCS
Correct answer is option 'D'. Can you explain this answer?

Mira Sharma answered
The Registrar, Cooperative Societies, delegated by the Lt.Governor, Delhi under Delhi Cooperative Societies Act, 2003, heads the Cooperative Department and assumes a crucial part in checking the working of Cooperative Societies enrolled under the Act.

Consider the following statements: 
  1. The Parliament may make provisions for the incorporation and regulation of co-operative societies. 
  2. The maximum number of directors of a co-operative society shall not exceed twenty-five.
Which of the statements given above is/are correct?
  • a)
    Only 1 
  • b)
    Only 2 
  • c)
    Both 1 and 2 
  • d)
    Neither 1 nor 2
Correct answer is option 'D'. Can you explain this answer?

Abhishek Das answered
Understanding the Statements
The question presents two statements regarding co-operative societies in India, which are important for understanding the legal framework surrounding them.
Statement 1 Analysis
- The first statement suggests that "The Parliament may make provisions for the incorporation and regulation of co-operative societies."
- This statement is misleading as it implies that Parliament has exclusive authority over co-operatives. In reality, the incorporation and regulation of co-operative societies are primarily under the jurisdiction of state governments, as per the provisions of the Constitution of India (specifically, the State List).
Statement 2 Analysis
- The second statement claims that "The maximum number of directors of a co-operative society shall not exceed twenty-five."
- This statement is incorrect as well. The maximum number of directors can vary depending on the rules framed by each co-operative society and the relevant state laws. There is no universal cap of twenty-five directors; some societies may have more, and the limit is not standardized across all co-operatives.
Conclusion
- Both statements are inaccurate in the context of the legal provisions governing co-operative societies in India.
- Therefore, the correct answer is option 'D', as neither statement holds true based on the existing laws and regulations.
Key Takeaway
- Understanding the legal framework of co-operative societies involves recognizing the powers and limitations of both Parliament and state legislatures, as well as the variability of governance structures within different societies.

A year 1991 is having a same calendar as that of the year X. Which of the following is a possible valueof X.
  • a)
    2002
  • b)
    2000
  • c)
    1902
  • d)
    1903
Correct answer is option 'A'. Can you explain this answer?

EduRev CLAT answered
1895 is not a leap year. So it will have 1 odd day.
Since 1896 is a leap year, it will add 2 odd days.
Similarly 1987, 1898, 1899, 1900 will add 1,1,1,1 odd days.
Now the total number of odd days add up to 7.
So the next year 1901 will have the same calendar as 1895.

 Which hill-men of the Western Ghats helped Shivaji in organising predatory expeditions?
  • a)
    The Mavalis
  • b)
    The Chitnis
  • c)
    The Panjas
  • d)
    None of these
Correct answer is option 'A'. Can you explain this answer?

Pritam Desai answered
A is the correct option.After consolidating his control over Pune, Shivaji crossed the Western Ghats, and entered the Konkan region on the western coast of India.The Mavalis of the Western Ghats helped Shivaji in organising predatory expeditions.

If 28th August 1946 was a Wednesday, what day of the week was 31 August 1961?
  • a)
    Tuesday
  • b)
    Monday
  • c)
    Thursday
  • d)
    Wednesday
Correct answer is option 'C'. Can you explain this answer?

It is given that 28th August 1946 was Wednesday.
From 28th August 1946 to 28th August 1961, we have 4 leap years and 11 normal years.
So the number of odd days would be 11*1 + 4*2 = 19
Now the date which is asked is 31 Aug 1961. So if we move from 28th August to 31st August, we will have 3 more odd days.
So total number of odd days = 5 + 3 = 8
Now 8 mod 7 = 1 .
So 31st August 1961 would be Wednesday + 1 = Thursday.

Regarding the human eye, consider the following statements:
1. Light enters the eye through the cornea.
2. The pupil controls the amount of light entering the eye.
3. An inverted real image of the object is formed on the retina.
Which of the statements given above is/are correct?
  • a)
    1 Only
  • b)
    2 and 3 Only
  • c)
    1 and 3 Only
  • d)
    1, 2 and 3
Correct answer is option 'D'. Can you explain this answer?

Anjali Rao answered
  • Light enters the eye, through a thin membrane called cornea. Cornea forms a transparent bulge on the front surface of the eyeball.
  • Pupil is a pigmented layer of tissues that makes up the colored portion of the eye. Its primary function is to control the amount of light entering in the eye.
  • The eye lens forms an inverted real image of the object on the retina. The retina is a delicate membrane having an enormous number of light-sensitive cells.

Regarding sex determination, consider the following statements:
1. Sex is the determined by temperature in some species.
2. Sex is not genetically determined in snails.
3. The sex of human children is determined by which chromosome they inherit from their father.
Which of the statements given above is/are correct?
  • a)
    1 and 2 only
  • b)
    2 Only
  • c)
    1 and 3 Only
  • d)
    1, 2 and 3
Correct answer is option 'D'. Can you explain this answer?

Meera Kapoor answered
  • Some species rely entirely on environmental cues. Thus, in some animals, the temperature at which fertilised eggs are kept determines whether the animals developing in the eggs will be male or female.
  • In other animals, such as snails, individuals can change sex, indicating that sex is not genetically determined. . In human beings, the sex of the individual is largely genetically determined.
  • Most human chromosomes have a maternal and a paternal copy, and we have 22 such pairs. But one pair, called the sex chromosomes, is different in men and women. So women are XX, while men are XY.
  • Thus, the sex of the children will be determined by what they inherit from their father. A child who inherits an X chromosome from her father will be a girl, and one who inherits a Y chromosome from him will be a boy.

What is the main objective of the REDD (Reducing Emissions from Deforestation and Forest Degradation) program?
  • a)
    To provide incentives for developing countries to protect and manage their forest resources, thus contributing to the global fight against climate change
  • b)
    To promote afforestation and reforestation activities in developing countries
  • c)
    To reduce greenhouse gas emissions from the agricultural sector
  • d)
    To promote sustainable forest management practices
Correct answer is option 'A'. Can you explain this answer?

Divyansh Singh answered
Objective of REDD (Reducing Emissions from Deforestation and Forest Degradation) Program

The main objective of the REDD program is to provide incentives for developing countries to protect and manage their forest resources, thus contributing to the global fight against climate change.

Explanation

Deforestation and forest degradation have been identified as major contributors to greenhouse gas emissions, which are causing global climate change. The REDD program aims to address this issue by creating financial incentives for developing countries to reduce their emissions from deforestation and forest degradation.

Under the REDD program, developing countries are eligible to receive payments for reducing their emissions from deforestation and forest degradation. These payments are made by developed countries and other organizations that are looking to offset their own emissions. The payments are designed to incentivize developing countries to protect and manage their forests, rather than clearing them for other uses.

In addition to providing financial incentives, the REDD program also aims to promote sustainable forest management practices. This includes activities such as reforestation and afforestation, which can help to increase forest cover and sequester carbon from the atmosphere.

Overall, the REDD program is an important tool for addressing the issue of climate change. By providing incentives for developing countries to protect and manage their forests, the program is helping to reduce greenhouse gas emissions and promote sustainable development.

Which of the following is not a part of the Bali Road Map?
  • a)
    The Bali Action Plan (BAP)
  • b)
    The Ad Hoc working Group on Further Commitments for Annex I Parties under the Kyoto Protocol negotiations and their 2009 deadline
  • c)
    Launch of the Adaptation Fund
  • d)
    The Paris Agreement
Correct answer is option 'D'. Can you explain this answer?

Alok Saini answered
The Paris Agreement
The Paris Agreement is not a part of the Bali Road Map. The Bali Road Map was a set of decisions adopted at the 2007 United Nations Climate Change Conference in Bali, Indonesia. It consisted of several key elements aimed at advancing the negotiations on a new global climate agreement.

Key Components of the Bali Road Map:
- The Bali Action Plan (BAP): This outlined a two-year process for negotiating a post-2012 climate agreement that would involve all countries, including both developed and developing nations, in addressing climate change.
- The Ad Hoc Working Group on Further Commitments for Annex I Parties under the Kyoto Protocol: This working group was established to negotiate new commitments for developed countries under the Kyoto Protocol beyond 2012. The negotiations had a deadline of 2009.
- Launch of the Adaptation Fund: The Bali Road Map also included the launch of the Adaptation Fund, which aimed to support developing countries in adapting to the impacts of climate change.
While the Paris Agreement was a significant milestone in the global efforts to address climate change, it was adopted in 2015, separate from the Bali Road Map process. The Paris Agreement built upon the foundation laid out in the Bali Road Map and set new targets for greenhouse gas emissions reductions and climate action beyond 2020.

What was the outcome of the COP 15 Copenhagen Summit?
  • a)
    The Kyoto Protocol was extended for another commitment period
  • b)
    The Paris Agreement was adopted
  • c)
    The Copenhagen Accord, a non-binding agreement, was recognized by the CoP
  • d)
    The Green Climate Fund was established
Correct answer is option 'C'. Can you explain this answer?

Atharva Ghosh answered
The outcome of the COP 15 Copenhagen Summit was the recognition of the Copenhagen Accord as a non-binding agreement by the Conference of Parties (CoP). The Copenhagen Accord was the result of intense negotiations among the participating countries during the summit, which aimed to address climate change and reduce greenhouse gas emissions.

Explanation:
1. Copenhagen Accord:
- The Copenhagen Accord was a political agreement that was not legally binding.
- It was drafted by a small group of countries, including the United States, China, India, Brazil, and South Africa, and was later recognized by the CoP.
- The accord aimed to limit the global temperature rise to below 2 degrees Celsius and included commitments from both developed and developing countries to reduce their greenhouse gas emissions.
- It also proposed a goal of mobilizing $100 billion per year by 2020 to support developing countries in their efforts to address climate change.

2. Non-binding agreement:
- The recognition of the Copenhagen Accord as a non-binding agreement meant that countries were not legally obliged to fulfill their commitments under the accord.
- This was a significant departure from previous climate agreements like the Kyoto Protocol, which had legally binding targets for emissions reductions.

3. Controversial negotiations:
- The negotiations during the Copenhagen Summit were highly controversial and faced significant challenges.
- There were disagreements between developed and developing countries regarding the level of commitments, financial support, and technology transfer.
- The lack of consensus among countries resulted in a weak agreement that did not include specific emission reduction targets or a clear roadmap for implementation.

4. Lack of consensus:
- The Copenhagen Accord was not adopted as an official decision of the CoP but was recognized by the conference.
- While some countries supported the accord, others expressed reservations and concerns about the lack of inclusivity and transparency in the negotiation process.
- The recognition of the accord was seen as a compromise to salvage the summit and prevent a complete breakdown of negotiations.

In conclusion, the outcome of the COP 15 Copenhagen Summit was the recognition of the Copenhagen Accord as a non-binding agreement by the CoP. Although it was not legally binding, the accord represented a political commitment to address climate change and reduce greenhouse gas emissions. However, its adoption was controversial and faced criticism for its lack of specific targets and implementation mechanisms.

In which of the following crops the international trade is low in comparison to total produce?
  • a)
    Coffee
  • b)
    Rice
  • c)
    Rubber
  • d)
    Wheat
Correct answer is option 'B'. Can you explain this answer?

Manisha Tiwari answered
International Trade in Rice

Rice is a staple crop consumed by a large portion of the global population. It is a key food source, particularly in Asia where it is a dietary staple for many countries. Despite its widespread consumption, the international trade in rice is relatively low compared to its total production. This can be attributed to several factors.

1. Self-sufficiency and domestic consumption

- Rice is predominantly grown and consumed within the same country, especially in Asia. Many rice-producing countries prioritize domestic consumption and self-sufficiency in meeting their population's food needs. They often implement policies and measures to ensure an adequate supply of rice for their citizens.
- As a result, the majority of rice production is consumed domestically rather than being exported. This reduces the quantity available for international trade.

2. Government policies and regulations

- Many countries impose restrictions and regulations on rice exports to maintain stability in domestic markets and ensure food security. These policies can include export bans, quotas, or high export taxes, which discourage or limit the amount of rice available for international trade.
- Governments may also provide subsidies and incentives to support local rice production and protect domestic farmers. Such measures further reduce the amount of rice available for export.

3. Variations in consumer preferences and quality standards

- Rice varieties, qualities, and preparation methods can vary significantly across different regions and cultures. Consumer preferences for specific types of rice may limit the demand for certain varieties in the international market.
- Additionally, some countries have stringent quality standards and phytosanitary regulations for imported rice. Meeting these standards can be challenging for many rice-producing countries, limiting their ability to access international markets.

Conclusion

In conclusion, the international trade in rice is relatively low compared to its total production due to factors such as self-sufficiency and domestic consumption priorities, government policies and regulations, and variations in consumer preferences and quality standards. These factors contribute to the limited quantity of rice available for export, making rice a crop with low international trade in comparison to its total produce.

Which of the following constitutional amendment acts gave a constitutional status and protection to the co-operative societies? 
  • a)
    95th Amendment 
  • b)
    96th Amendment 
  • c)
    97th Amendment 
  • d)
    98th Amendment
Correct answer is option 'C'. Can you explain this answer?

Geetika Chavan answered
The correct answer is option C) 97th Amendment.

Explanation:
The 97th Amendment to the Constitution of India, passed in 2011, gave constitutional status and protection to the co-operative societies. Here is an explanation of the amendment and its significance:

1. Constitutional Status: The 97th Amendment added a new Part IXB to the Constitution, titled "The Co-operative Societies," which consists of Article 243ZH to Article 243ZT. By doing so, co-operative societies were given a constitutional status, ensuring their recognition and protection under the law.

2. Scope of the Amendment: The amendment applies to all types of co-operative societies, including housing, agriculture, credit, consumer, and other forms of co-operatives. It covers both multi-state and single-state co-operative societies.

3. Co-operative Societies under Panchayats and Municipalities: The amendment empowers the State Legislatures to make provisions for the inclusion of co-operative societies within the ambit of Panchayats and Municipalities. This enables local self-governments to play a role in the management and development of co-operative societies.

4. Democratic and Autonomous Functioning: The amendment emphasizes the principles of democratic functioning and autonomous management of co-operative societies. It mandates the conduct of regular elections, the formation of governing boards, and the provision for reservation of seats for weaker sections, women, and Scheduled Castes/Scheduled Tribes.

5. Role of National Co-operative Development Corporation (NCDC): The amendment encourages the promotion and development of co-operative societies through the NCDC. The NCDC provides financial assistance and support to co-operative societies for their growth and sustainability.

6. Cooperative Societies and Other Laws: The amendment ensures that the provisions of the Constitution relating to co-operative societies prevail over any other laws governing co-operatives. This strengthens the legal framework for the functioning and protection of co-operative societies.

7. Cooperative Societies and Fundamental Rights: The amendment clarifies that the rights guaranteed under Part III of the Constitution, which includes fundamental rights, are also applicable to members of co-operative societies. This ensures that the members of co-operative societies are not denied their basic rights.

The 97th Amendment to the Constitution of India was a significant step towards recognizing and protecting the role of co-operative societies in the socio-economic development of the country. It provided a constitutional framework for their functioning, ensuring democratic management, and promoting their growth and sustainability.

Which was the first cooperative society registered under Cooperative Societies Act 1904 and in which year it was registered?
  • a)
    Agricultural Credit Cooperative Society, 1905
  • b)
    Grant Road Society, 1914
  • c)
    Madras Cooperative Union, 1914
  • d)
    None of the above
Correct answer is option 'A'. Can you explain this answer?

Nisha Menon answered
The correct answer is option 'A': Agricultural Credit Cooperative Society, 1905.

- The first cooperative society registered under the Cooperative Societies Act 1904 was the Agricultural Credit Cooperative Society in 1905.
- This society was established with the aim of providing financial assistance and credit facilities to the agricultural community.
- The Cooperative Societies Act 1904 was enacted by the British government in India to promote the formation and development of cooperative societies in various sectors.
- The act provided a legal framework for the registration, management, and functioning of cooperative societies.
- The Agricultural Credit Cooperative Society was registered in accordance with the provisions of this act.
- The society aimed to address the financial needs of farmers who often faced difficulties in obtaining credit from traditional sources such as moneylenders.
- By pooling their resources and collectively providing credit, the society aimed to empower farmers and promote their economic well-being.
- The society operated on the principles of cooperation, mutual assistance, and democratic decision-making.
- It was managed by a board of directors elected by the members, who were primarily farmers.
- The society offered various financial services such as loans for purchasing agricultural inputs, investment in agricultural machinery, and meeting other farming-related expenses.
- It also encouraged savings among the members and provided a platform for the exchange of agricultural knowledge and best practices.
- The success of the Agricultural Credit Cooperative Society paved the way for the establishment of numerous other cooperative societies across the country, addressing the needs of different sectors such as consumer cooperatives, housing cooperatives, and dairy cooperatives.
- These cooperative societies played a crucial role in promoting economic development, empowering marginalized communities, and reducing dependence on exploitative financial institutions.
- Over the years, cooperative societies have evolved and expanded their scope, contributing significantly to the socio-economic development of the country.

In 2016, Mohan celebrated his birthday on Friday. Which will be the first year after 2016 when Mohan will celebrate his birthday on a Wednesday? (He was not born in January or February)
  • a)
    2020
  • b)
    2023
  • c)
    2021
  • d)
    2025
Correct answer is option 'A'. Can you explain this answer?

Since it has been mentioned that Mohan was not born in February, so he can’t be born on 29th Feb.
Hence He will celebrate his next birthday on a Wednesday in the year for which the sum of the odd days becomes 5 or a multiple of 5.
By his birthday in 2017, there will be 1 odd day.
By his birthday in 2018, there will be 2 odd days.
By his birthday in 2019, there will be 3 odd days.
By his birthday in 2020, there will be 5 odd days, as 2020 is a leap year.
So in 2020 He will celebrate his birthday on Wednesday.

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