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All questions of Introduction to Physiographic Regions for UPSC CSE Exam

India shares its land boundaries with ___________ countries.
  • a)
    Seven
  • b)
    Eight
  • c)
    Six
  • d)
    Nine
Correct answer is option 'A'. Can you explain this answer?

Rounak Sharma answered
India shares its land boundaries with Seven countries.

The seven countries with which India shares land boundaries are:

1. Pakistan - India shares its northwestern land boundary with Pakistan. The boundary between India and Pakistan is known as the Radcliffe Line.

2. China - India shares its northeastern land boundary with China. The boundary between India and China is known as the McMahon Line.

3. Nepal - India shares its northern land boundary with Nepal. The boundary between India and Nepal is an open border.

4. Bhutan - India shares its northeastern land boundary with Bhutan. The boundary between India and Bhutan is known as the Indo-Bhutan Border.

5. Bangladesh - India shares its eastern land boundary with Bangladesh. The boundary between India and Bangladesh is known as the Radcliffe Line.

6. Myanmar - India shares its eastern land boundary with Myanmar. The boundary between India and Myanmar is known as the Indo-Myanmar Border.

7. Afghanistan - India shares a small portion of its northwestern land boundary with Afghanistan. The boundary between India and Afghanistan is known as the Durand Line.

These seven countries have a significant impact on India's foreign policy and regional security. India maintains friendly relations with most of these countries, with occasional border disputes arising with Pakistan and China.

Which state does not share its boundary with Myanmar ?
  • a)
    Arunachal Pradesh
  • b)
    Mizoram
  • c)
    Manipur
  • d)
    Sikkim
Correct answer is option 'D'. Can you explain this answer?

Kiran Sharma answered
State not sharing boundary with Myanmar

Sikkim is the state that does not share its boundary with Myanmar. The other three states, Arunachal Pradesh, Mizoram, and Manipur share their boundaries with Myanmar.

Explanation:

- Arunachal Pradesh: It is located in the northeastern part of India and shares its international boundary with Myanmar in the east. The boundary is marked by the Patkai Hills and the Hukawng Valley.
- Mizoram: It is also located in the northeastern part of India and shares its international boundary with Myanmar in the east and south. The boundary is marked by the Chin Hills and the Rakhine Yoma mountain ranges.
- Manipur: It is located in the northeastern part of India and shares its international boundary with Myanmar in the east. The boundary is marked by the Kabaw Valley and the Manipur River.
- Sikkim: It is located in the northeastern part of India and shares its borders with Nepal in the west, Bhutan in the east, and Tibet (China) in the north. It does not share its boundary with Myanmar.

Conclusion:

Thus, the correct answer is option 'D' - Sikkim, as it is the state that does not share its boundary with Myanmar.

The direction of wind around a low pressure in northern hemisphere is:
  • a)
    clockwise
  • b)
    perpendicular to isobars
  • c)
    anti-clock wise
  • d)
    parallel to isobars
Correct answer is option 'C'. Can you explain this answer?

Alok Verma answered
If a low-pressure area forms in the atmosphere, air flows towards this region, but will be deflected perpendicular to its velocity by the Coriolis force. Instead of flowing straight towards the low pressure area, the air ends up circulating around it. 
This pattern of air flow is called a cyclone. In the Northern Hemisphere the direction of rotation around a low pressure area is counter-clockwise or anti-clockwise.

Days and nights are equal throughout the globe when the sun is above: 
  • a)
    Poles
  • b)
    Equator
  • c)
    Tropic of Cancer
  • d)
    Tropic of Capricorn
Correct answer is option 'B'. Can you explain this answer?

Saanvi Reddy answered
Explanation: An equinox is an astronomical event in which the plane of Earth's equator passes through the center of the Sun, which occurs twice each year, around 20 March and 23 September. On an equinox, day and night are of approximately equal duration all over the planet

A piece of land surrounded by water from all sides in an ocean, sea, lake or river, is called
  • a)
    Estuary
  • b)
    An island
  • c)
    Peninsula
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?

Alok Verma answered
A piece of land that is completely surrounded by water on all sides is known as an island.

A peninsula is a piece of land that is bordered by water on three sides but connected to the mainland. Peninsulas are formed through a gradual rise in water level, surrounding land at low elevation.

An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea.

A meridian is
  • a)
    The circle of the earth passing through the poles and a point on the Earth's surface
  • b)
    The distance between the Earth and the Moon
  • c)
    The axis around circle of the earth away from the equator towards the poles
  • d)
    The latitudinal circle of the earth away from the equator towards the poles
Correct answer is option 'A'. Can you explain this answer?

Nikita Singh answered
A (geographic) meridian (or line of longitude) is the half of an imaginary great circle on the Earth's surface, a coordinate line terminated by the North Pole and the South Pole, connecting points of equal longitude, as measured in angular degrees east or west of the Prime Meridian.

Excluding the moon, the celestial object that generally appears bright in the sky is
  • a)
    Jupiter
  • b)
    Polestar
  • c)
    Sirius
  • d)
    Venus
Correct answer is option 'D'. Can you explain this answer?

Anjali Kapoor answered
Venus is the third-brightest object in the sky, after the sun and moon. That's partly because sunlight is easily reflected by acidic clouds in the atmosphere of Venus.

Salinity is expressed as the amount of salt in grams dissolved in sea water per
  • a)
    10 gm
  • b)
    1,000 gm
  • c)
    100 gm
  • d)
    10,000 gm
Correct answer is option 'B'. Can you explain this answer?

Explanation: Salinity is the term used to define the total content of dissolved salts in sea water (Table 13.4). It is calculated as the amount of salt (in gm) dissolved in 1,000 gm (1 kg) of seawater. It is usually expressed as parts per thousand (o/oo) or ppt.

The eastern most point in India is
  • a)
    Indira point
  • b)
    Indira col
  • c)
    Kanyakumari
  • d)
    Kibithu
Correct answer is option 'D'. Can you explain this answer?

Prerna Das answered
The Eastern most point in India is Kibithu. This point is located in the state of Arunachal Pradesh and is situated at an altitude of 1,200 meters above sea level. Kibithu is a small town located near the international border between India and China.

Reasons why Kibithu is the easternmost point in India:

Geographical location: Kibithu is located at the easternmost end of the Himalayan range, which runs from north to south through the Indian subcontinent. It is situated in the easternmost part of Arunachal Pradesh, which is the easternmost state in India.

International border: Kibithu is located near the international border between India and China. The border runs along the McMahon Line, which was drawn in 1914 by the British colonial government to establish the boundary between Tibet and British India.

Importance of Kibithu:

Strategic location: Kibithu is located in a strategically important area, as it is near the international border between India and China. The town is also located near the tri-junction point between India, China, and Myanmar.

Military presence: Due to its strategic location, Kibithu has a significant military presence. The Indian Army has a base in Kibithu, which is responsible for guarding the border with China.

Tourism: Kibithu is also a popular tourist destination, as it offers stunning views of the Himalayan range and nearby valleys. The town is also known for its trekking routes and adventure sports.

In conclusion, Kibithu is the easternmost point in India, located in Arunachal Pradesh near the international border with China. Its strategic location and military presence make it an important area for India's national security, while its natural beauty and tourism potential make it a popular destination for adventure seekers.

Atoll refers to
  • a)
    A narrow strip of land separating two seas
  • b)
    A hill top
  • c)
    A strait joining two-seas
  • d)
    A horse-shoe or ring-shaped coral reef
Correct answer is option 'D'. Can you explain this answer?

Rishabh Sen answered
Explanation: An atoll is a ring-shaped coral reef, island, or series of islets. An atoll surrounds a body of water called a lagoon. Sometimes, atolls and lagoons protect a central island. Channels between islets connect a lagoon to the Open Ocean or sea.

Which of the following sequences present the correct location of the ranges in the Satpura region from West to East?
  • a)
    Barwani hills - Mahadeo range - Maikal range
  • b)
    Mahadeo range - Barwani hills - Maikal range
  • c)
    Mahadeo range - Maikal range - Barwani hills
  • d)
    Maikal range - Mahadeo range - Barwani hills
Correct answer is option 'A'. Can you explain this answer?

Prisha Tiwari answered
Satpura region

The Satpura range is one of the seven major mountain ranges in India. It stretches over an area of about 800 km, from the west to the east. The Satpura range is located in central India, covering parts of Madhya Pradesh, Maharashtra, and Gujarat.

Ranges in the Satpura region

The Satpura range is divided into three major ranges as follows:

1. Maikal range - located in the east
2. Mahadeo range - located in the central part
3. Barwani hills - located in the west

Correct sequence of ranges from West to East

The correct sequence of the ranges in the Satpura region from the west to the east is as follows:

Barwani hills - Mahadeo range - Maikal range

Explanation

The Barwani hills are located in the western part of the Satpura range, in the state of Gujarat. The Mahadeo range is located in the central part of the Satpura range, covering parts of Madhya Pradesh and Maharashtra. The Maikal range is located in the eastern part of the Satpura range, covering parts of Madhya Pradesh and Chhattisgarh.

Therefore, option 'A' which presents the correct sequence of the ranges in the Satpura region from the west to the east as Barwani hills - Mahadeo range - Maikal range is the correct answer.

Temperature increases in ________
  • a)
    Stratosphere
  • b)
    Thermosphere
  • c)
    Both (a) & (b)
  • d)
    None of these
Correct answer is option 'C'. Can you explain this answer?

Sandip Jadhav answered
In stratosphere the ozone layer is present which absorbs UV radiations coming from sun, results in increase of temperature up to 4 degree Celsius.
In case of thermosphere (ionosphere) gas molecules are present which absorbs X Ray's and UV rays causing temp. rise upto 1480 degree Celsius.

Which among the following is known as ” Doctor Wind”?
  • a)
    Loo
  • b)
    Chinook
  • c)
    Harmattan
  • d)
    None of the above
Correct answer is option 'C'. Can you explain this answer?

Aravind Basu answered
Answer: c
Explanation: The Harmattan is a dry and dusty northeasterly trade wind which blows from the Sahara Desert over the West African subcontinent into the Gulf of Guinea between the end of November and the middle of March (winter)

The largest of all plates is _____ plate.
  • a)
    Eurasian
  • b)
    North American
  • c)
    Pacific
  • d)
    None of these
Correct answer is option 'C'. Can you explain this answer?

Explanation: The Pacific Plate is an oceanic tectonic plate that lies beneath the Pacific Ocean. At 103 million square kilometers, it is the largest tectonic plate.

Which of the following rivers originate from the Vindhya Range? 
  • a)
    Betwa
  • b)
    Kaveri 
  • c)
    Chenab 
  • d)
    Gomati
Correct answer is option 'A'. Can you explain this answer?

Aman Majumdar answered
Origin of Betwa River from Vindhya Range

The correct answer is option A, i.e., Betwa. Betwa is a river that originates from the Vindhya Range.

The Vindhya Range is a range of hills in central India that runs from east to west. It separates the northern plains from the southern plateau. The range extends over an area of about 970 km and covers parts of Madhya Pradesh, Uttar Pradesh, and Chhattisgarh.

Betwa River is one of the important rivers in central India. It originates from the Vindhya Range in Madhya Pradesh and flows through Uttar Pradesh before joining the Yamuna River. The river has a total length of about 480 km and covers a drainage area of about 23,000 sq km.

Importance of Betwa River

The Betwa River has great significance in the history and culture of central India. The river basin is home to numerous historical monuments and temples, including the famous temples of Khajuraho. The river also provides water for irrigation and drinking purposes to the people living in the region.

Conclusion

In conclusion, the Betwa River originates from the Vindhya Range in Madhya Pradesh. It is an important river in central India and has great historical, cultural, and economic significance.

The country that shares longest border with India is
  • a)
    China
  • b)
    Bangladesh
  • c)
    Nepal
  • d)
    Pakistan
Correct answer is option 'B'. Can you explain this answer?

Border of India with Bangladesh

India shares its longest border with Bangladesh. The border between India and Bangladesh is about 4,096 kilometers long. The border stretches through the Indian states of West Bengal, Assam, Meghalaya, Tripura, and Mizoram.

History of the Border

The border between India and Bangladesh was created in 1947, during the partition of India. At that time, East Pakistan (which later became Bangladesh) was a part of Pakistan. The border was created between India and East Pakistan.

In 1971, East Pakistan declared independence from Pakistan and became Bangladesh. Since then, India and Bangladesh have shared a friendly relationship and have been working together on various issues.

Importance of the Border

The India-Bangladesh border is important for several reasons. It is a porous border, which means that people and goods can easily cross the border. The border is also important for trade and commerce between the two countries.

The border is also important for security reasons. The border is guarded by the Border Security Force (BSF) on the Indian side and the Border Guards Bangladesh (BGB) on the Bangladesh side. The two forces work together to ensure that the border is secure.

Challenges of the Border

The India-Bangladesh border faces several challenges. One of the biggest challenges is illegal immigration. People from Bangladesh often cross the border into India illegally in search of better economic opportunities. This has led to tensions between the two countries.

The border is also used for smuggling of goods and weapons. The two countries are working together to combat these challenges and ensure that the border is secure.

Conclusion

In conclusion, the India-Bangladesh border is the longest border that India shares with any country. The border is important for trade, commerce, and security. While the border faces several challenges, the two countries are working together to ensure that the border is secure.

Which is the longest beach in India?
  • a)
    Juhu Beach
  • b)
    Dandi Beach
  • c)
    Puri Beach
  • d)
    Marina Beach
Correct answer is option 'D'. Can you explain this answer?

Tarun Datta answered
The longest beach in India is Marina Beach, located in Chennai, Tamil Nadu.

Marina Beach:
Marina Beach is a natural beach stretching for 13 kilometers along the Bay of Bengal. It is one of the most popular tourist attractions in Chennai and is a prominent landmark of the city.

Location:
Marina Beach is located in the city of Chennai, Tamil Nadu, on the eastern coast of India.

Length:
The beach stretches for a distance of 13 kilometers, making it the longest beach in India.

Attractions:
Marina Beach is a popular tourist destination and offers numerous attractions for visitors, including:

1. Sunrise and Sunset Views: The beach offers stunning views of the sunrise and sunset over the Bay of Bengal.

2. Water Sports: Visitors can enjoy various water sports such as swimming, surfing, and boating.

3. Food Stalls: The beach is home to many food stalls selling local street food such as bhajjis, vada pav, and ice creams.

4. Memorials: The beach is home to several memorials, including the Mahatma Gandhi Memorial, the Kamarajar Memorial, and the Anna Memorial.

5. Aquarium: The beach also has an aquarium that houses a variety of marine life and attracts many visitors.

Conclusion:
In conclusion, Marina Beach is the longest beach in India, stretching for a distance of 13 kilometers along the Bay of Bengal. It is a popular tourist destination and offers a range of attractions for visitors.

Consider the following statements:
1. Karewa soil is found predominantly in the Himachal Himalayas.
2. Karewa soil is known for the cultivation of saffron and other dry fruits.
3. The snowline in the Eastern Himalayas is at a higher altitude than in the Western Himalayas.
Which of the statements given above is/are correct?
  • a)
    1 Only
  • b)
    1 and 2 Only
  • c)
    2 and 3 Only
  • d)
    1, 2 and 3
Correct answer is option 'C'. Can you explain this answer?

Akanksha Singh answered
Explanation:

1. Karewa soil is found predominantly in the Himachal Himalayas:
- This statement is incorrect. Karewa soil is actually found predominantly in the Kashmir Valley in the Jammu and Kashmir region, not in the Himachal Himalayas.

2. Karewa soil is known for the cultivation of saffron and other dry fruits:
- This statement is correct. Karewa soil is rich in minerals and nutrients, making it suitable for the cultivation of crops such as saffron, almonds, walnuts, and other dry fruits.

3. The snowline in the Eastern Himalayas is at a higher altitude than in the Western Himalayas:
- This statement is correct. The Eastern Himalayas have a higher snowline compared to the Western Himalayas. This is due to factors such as latitude, altitude, and the direction of the monsoon winds.
Therefore, the correct answer is option C - 2 and 3 Only.

Consider the following statements:
  1. The Earth's lithosphere includes both the crust and the upper mantle.
  2. The asthenosphere is a rigid layer located beneath the lithosphere.
  3. The movement of tectonic plates is driven by convection currents in the mantle.
How many of the statements given above are correct?
  • a)
    Only one
  • b)
    Only two
  • c)
    All three
  • d)
    None
Correct answer is option 'B'. Can you explain this answer?

  • Statement 1 is correct: The lithosphere includes the crust and the uppermost part of the mantle.
  • Statement 2 is incorrect: The asthenosphere is not rigid; it is a semi-fluid layer beneath the lithosphere.
  • Statement 3 is correct: The movement of tectonic plates is driven by convection currents in the mantle.

Lines joining places of equal rainfall are known as
  • a)
    Isotherms
  • b)
    Isobars
  • c)
    Isohots
  • d)
    Isohyets
Correct answer is option 'D'. Can you explain this answer?

Varun Kapoor answered
Rainfall and air moisture. An isohyet or isohyetal line (from ὕετος or huetos, meaning 'rain') is a line joining points of equal rainfall on a map in a given period . A map with isohyets is called an isohyetal map.

Consider the following pairs:

Which of the pairs given above is/are correct?
  • a)
    1 only
  • b)
    2 only
  • c)
    2 and 3 only
  • d)
    1, 2 and 3
Correct answer is option 'B'. Can you explain this answer?

Aim It Academy answered
The correct answer is (b) 1 and 2 only. The Western Himalayas extend till west of River Kali, while the Eastern Himalayas extend from Kali to the Brahmaputra river. The height comparison is accurate, with Western Himalayas rising in parts and Eastern Himalayas rising abruptly from the plains. However, the statement regarding vegetation is incorrect, as the Western Himalayas have Coniferous forests and alpine vegetation, whereas Eastern Himalayas have a richer biodiversity.

Which one of the following is the highest cloud in the sky?
  • a)
    Cirrus
  • b)
    Stratus
  • c)
    Nimbus
  • d)
    Cumulus
Correct answer is option 'A'. Can you explain this answer?

Shounak Malik answered
Explanation: Cirrus clouds are formed at high altitudes (8,000 - 12,000m). They are thin and detatched clouds having a feathery appearance. They are always white in colour.

Consider the following statements:
  1. The shadow zone of S-waves is created because they cannot travel through the Earth's liquid outer core.
  2. The Earth's outer core was deduced to be solid due to the behavior of S-waves.
  3. P-waves can be refracted by the liquid outer core, creating a shadow zone.
How many of the statements given above are correct?
  • a)
    Only one
  • b)
    Only two
  • c)
    All three
  • d)
    None
Correct answer is option 'B'. Can you explain this answer?

  • Statement 1 is correct: S-waves cannot travel through the liquid outer core, creating a shadow zone.
  • Statement 2 is incorrect: The Earth's outer core is liquid, not solid, as deduced by the behavior of S-waves.
  • Statement 3 is correct: P-waves are refracted by the liquid outer core, creating a shadow zone.

Gipmochi mountain lies between China, Bhutan and the Indian state of:
  • a)
    Manipur
  • b)
    Assam
  • c)
    Sikkim
  • d)
    Arunachal Pradesh
Correct answer is option 'C'. Can you explain this answer?

Mahi Banerjee answered
Gipmochi Mountain and its Location

Gipmochi Mountain is a mountain peak located in the Eastern Himalayas region. It lies between China, Bhutan, and the Indian state of Sikkim. The mountain is situated at an altitude of 7,102 meters (23,294 feet) above sea level, making it one of the highest peaks in the region.

Sikkim - The Indian State

Sikkim is a small state in northeastern India. It is bordered by Nepal to the west, Tibet to the north and east, and the Indian state of West Bengal to the south. The state is known for its beautiful landscapes, rich culture, and diverse flora and fauna. Sikkim is also home to some of the highest peaks in the Eastern Himalayas, including Kangchenjunga, which is the third-highest mountain in the world.

Gipmochi Mountain and Sikkim

Gipmochi Mountain is part of the Himalayan range that runs through Sikkim. It is located in the northern part of the state, close to the border with China and Bhutan. The mountain is a popular destination for trekking and mountaineering enthusiasts, who come from all over the world to explore the beautiful landscapes and challenging terrain.

Conclusion

In conclusion, Gipmochi Mountain is a beautiful and challenging peak located in the Eastern Himalayas region, between China, Bhutan, and the Indian state of Sikkim. It is a popular destination for adventure seekers who want to explore the natural beauty of the region and test their mountaineering skills.

Which of the following is the southernmost of the Lakshadweep islands?
  • a)
    Bitra
  • b)
    Kavaratti
  • c)
    Amini
  • d)
    Minicoy
Correct answer is option 'D'. Can you explain this answer?

Manoj Kapoor answered
The correct answer is option D, Minicoy. Minicoy is the southernmost island among the Lakshadweep islands.

Here is a detailed explanation:

- **Lakshadweep Islands**: Lakshadweep is a group of islands located in the Arabian Sea. It is an archipelago consisting of 36 islands, out of which only 10 are inhabited. These islands are known for their pristine beaches, coral reefs, and marine biodiversity.

- **Geographical Location**: Lakshadweep is situated off the southwestern coast of India. It is located between 8° and 12° North latitude and 71° and 74° East longitude. The islands are about 200 to 440 km away from the Kerala coast.

- **Minicoy**: Among the Lakshadweep islands, Minicoy is the southernmost island. It is located at a latitude of approximately 8° 17' North and a longitude of around 73° 3' East. Minicoy is the second-largest island in the Lakshadweep archipelago.

- **Bitra**: Bitra is one of the smallest islands in the Lakshadweep group and is located towards the northern part of the archipelago. It is situated at a latitude of about 11° 36' North and a longitude of approximately 72° 12' East.

- **Kavaratti**: Kavaratti is the capital of Lakshadweep and one of the most developed islands in the archipelago. It is located at a latitude of around 10° 33' North and a longitude of about 72° 38' East. Kavaratti is not the southernmost island among the Lakshadweep group.

- **Amini**: Amini is another inhabited island in Lakshadweep, but it is not the southernmost. It is located at a latitude of approximately 11° 6' North and a longitude of around 72° 45' East.

In conclusion, among the given options, Minicoy is the southernmost of the Lakshadweep islands. It is known for its beautiful beaches, lagoons, and traditional culture.

The northern part of the Western Coastal Plain of India is also known as
  • a)
    Karnataka Coast
  • b)
    Malabar
  • c)
    Konkan
  • d)
    Coromandal
Correct answer is option 'C'. Can you explain this answer?

Konkan: The Northern Part of Western Coastal Plain of India

The Western Coastal Plain of India is a narrow strip of land that runs parallel to the Arabian Sea on the west coast of India. It extends from the state of Gujarat in the north to Kerala in the south. The northern part of the Western Coastal Plain is known as Konkan.

Location of Konkan

Konkan is located in the states of Maharashtra, Goa, and Karnataka. It covers an area of about 720 km along the coast. It is bounded by the Western Ghats on the east and the Arabian Sea on the west.

Features of Konkan

Konkan is a region of rolling hills, lush green forests, and beautiful beaches. It is known for its scenic beauty, rich cultural heritage, and delicious cuisine. Some of the notable features of Konkan are:

1. Rivers: Konkan is crisscrossed by several rivers, including the Tapi, the Narmada, the Mandovi, and the Zuari. These rivers provide irrigation and support a variety of aquatic life.

2. Beaches: Konkan is home to some of the most beautiful beaches in India. Some of the popular beaches in Konkan are Alibaug, Kashid, Murud, Ganpatipule, and Tarkarli.

3. Forests: Konkan is covered with dense forests that are rich in biodiversity. Some of the notable forests in Konkan are the Western Ghats, the Dandeli Wildlife Sanctuary, and the Bhimashankar Wildlife Sanctuary.

4. Culture: Konkan has a rich cultural heritage that is reflected in its art, music, and cuisine. Konkani cuisine is known for its seafood, spicy curries, and unique flavors.

Conclusion

In conclusion, the northern part of the Western Coastal Plain of India is known as Konkan. It is a region of scenic beauty, rich cultural heritage, and delicious cuisine. Konkan is a must-visit place for anyone who loves nature, adventure, and culture.

Which of the following districts belongs to the Bundelkhand region of Uttar Pradesh?
  • a)
    Fatehpur
  • b)
    Sonbhadra.
  • c)
    Mahoba
  • d)
    Shravasti
Correct answer is option 'C'. Can you explain this answer?

Arnav Sharma answered
**Explanation:**

The Bundelkhand region is a geographical and cultural region located in central India, primarily in the states of Uttar Pradesh and Madhya Pradesh. It is known for its rich history and heritage.

Among the given options, the district of Mahoba belongs to the Bundelkhand region of Uttar Pradesh.

**Reasoning:**

1. Fatehpur: Fatehpur district is located in the Allahabad division of Uttar Pradesh. It is not part of the Bundelkhand region. Therefore, option a) is incorrect.

2. Sonbhadra: Sonbhadra district is located in the Mirzapur division of Uttar Pradesh. It is not part of the Bundelkhand region. Therefore, option b) is incorrect.

3. Mahoba: Mahoba district is located in the Chitrakoot division of Uttar Pradesh. It is part of the Bundelkhand region. Therefore, option c) is correct.

4. Shravasti: Shravasti district is located in the Devipatan division of Uttar Pradesh. It is not part of the Bundelkhand region. Therefore, option d) is incorrect.

Thus, the correct answer is option c) Mahoba.

Consider the following statements:
Statement-I:
The Kashmir/Punjab/Himachal Himalayas lie between the Indus and Satluj rivers and are characterized by high snow-covered peaks, deep valleys, interlocked spurs, and High Mountain passes.
Statement-II:
The Kumaun Himalayas are drained by the Indus and Ganga river systems and are distinguished by the 'DUN' formations like the Chandigarh-Kalka dun and Dehradun.
Which one of the following is correct in respect of the above statements?
  • a)
    Both Statement-I and Statement-II are correct and Statement-II explains Statement-I
  • b)
    Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
  • c)
    Statement-I is correct, but Statement-II is incorrect
  • d)
    Statement-I is incorrect, but Statement-II is correct
Correct answer is option 'C'. Can you explain this answer?

Varun Dasgupta answered
Explanation:

Statement-I:
- The Kashmir/Punjab/Himachal Himalayas lie between the Indus and Satluj rivers.
- These regions are characterized by high snow-covered peaks, deep valleys, interlocked spurs, and High Mountain passes.

Statement-II:
- The Kumaun Himalayas are drained by the Indus and Ganga river systems.
- They are distinguished by the 'DUN' formations like the Chandigarh-Kalka dun and Dehradun.
Both statements are discussing different regions of the Himalayas and their geographical features. While Statement-I talks about the Kashmir/Punjab/Himachal Himalayas and their location and characteristics, Statement-II focuses on the Kumaun Himalayas and their drainage system and unique formations.
Therefore, Statement-I is correct, but Statement-II is incorrect as it does not explain Statement-I.

Consider the following pairs regarding the ranges of the Lesser Himalayas:
1. Pir Panjal - Starts from near PatniTop in Jammu and Kashmir and passes through Himachal Pradesh
2. Dhauladhar - Begins from near Dalhousie and passes through the Beas River in Kullu
3. Nag Tibba - Located in Uttarakhand and marked by the Mussoorie range
4. Siachen Glacier - Located in the Lesser Himalayas
How many pairs given above are correctly matched?
  • a)
    Only one pair
  • b)
    Only two pairs
  • c)
    Only three pairs
  • d)
    All four pairs
Correct answer is option 'C'. Can you explain this answer?

Maya Kaur answered
Analysis of the Pairs
To determine how many pairs regarding the ranges of the Lesser Himalayas are correctly matched, let’s evaluate each statement one by one.
1. Pir Panjal
- Description: This range indeed starts from near PatniTop in Jammu and Kashmir and passes through Himachal Pradesh.
- Correct Match: Yes.
2. Dhauladhar
- Description: Dhauladhar begins from near Dalhousie but does not pass through the Beas River in Kullu. Instead, it runs parallel to the river.
- Correct Match: No.
3. Nag Tibba
- Description: Nag Tibba is located in Uttarakhand and is indeed marked by the Mussoorie range, which is part of the Greater Himalayas rather than the Lesser Himalayas.
- Correct Match: No.
4. Siachen Glacier
- Description: The Siachen Glacier is located in the Karakoram range, not the Lesser Himalayas.
- Correct Match: No.
Conclusion
After evaluating all pairs, we find that:
- Correct Matches: Only the first pair (Pir Panjal) is correct.
- Incorrect Matches: The other three pairs are incorrect.
Thus, the final answer is that only one pair is correctly matched. The correct option is (a) Only one pair.
The answer initially provided as “Only three pairs” appears to be incorrect based on the evaluation of geographical accuracy.

The phenomenon of an opening occurring in the earth's surface through which a jet of hot water and steam is forced out at regular intervals, is called
  • a)
    Gorge
  • b)
    Stream
  • c)
    Geyser
  • d)
    Canyon
Correct answer is option 'C'. Can you explain this answer?

Debanshi Desai answered
The Phenomenon of Geysers

A geyser is a natural phenomenon that occurs when there is an opening in the Earth's surface through which hot water and steam are forcefully ejected at regular intervals. This happens because of the accumulation of water that seeps deep into the Earth's surface and comes into contact with hot rocks and magma. The water is heated and turned into steam, which creates pressure and forces the hot water and steam to the surface through the opening in the Earth's crust.

The Formation of Geysers

The formation of geysers requires a few essential elements. These include:

1. Heat source: Geysers require a heat source to heat the water to boiling point. This heat source can be either magma or hot rocks deep below the Earth's surface.

2. Water source: Geysers require a source of water to produce the steam that is ejected from the surface. This water can come from rainfall or snowmelt that seeps into the ground.

3. A reservoir: Geysers require a reservoir to store the hot water and steam until enough pressure builds up to force it out of the surface.

4. A vent: Geysers require a vent through which the hot water and steam can be ejected.

Famous Geysers

Some of the most famous geysers in the world include:

1. Old Faithful: located in Yellowstone National Park in the United States, Old Faithful erupts every 60-90 minutes and can shoot water up to 185 feet in the air.

2. Strokkur: located in Iceland, Strokkur erupts every 6-10 minutes and can shoot water up to 100 feet in the air.

3. El Tatio: located in Chile, El Tatio is one of the highest-elevation geysers in the world, erupting at heights of up to 75 feet.

Conclusion

Geysers are a fascinating natural phenomenon that have captured the imagination of people for centuries. They are a reminder of the incredible power and beauty of nature and provide a glimpse into the inner workings of the Earth's crust.

Consider the following statements and identify the right ones.
  1. Lower layers of atmosphere have low pressure
  2. Higher layers of atmosphere have high pressure.
Lower layers of atmosphere have high pressure because the density is greatest at lower layers and are compressed. Higher layers of atmosphere have low pressure because they are less compressed.
  • a)
    1 only
  • b)
    2 only
  • c)
    Both 1 & 2
  • d)
    None
Correct answer is option 'D'. Can you explain this answer?

Divyansh Singh answered
And 2
d)Neither 1 nor 2

The correct answer is c) Both 1 and 2. Lower layers of atmosphere have low pressure because the weight of the air above them creates more pressure. As we move higher in the atmosphere, the weight of the air above decreases, resulting in lower pressure. However, at a certain altitude, the pressure starts increasing again due to the decreasing density of air and the presence of different gases like ozone, resulting in higher pressure at higher layers of the atmosphere.

Consider the following statements and identify the right ones.

i ) The gradual dissipation of the frontal zone is called frontogensis.
ii) The process by which two air masses of different physical characteristics are brought together is frontolysis.
  • a)
    i only
  • b)
    ii only
  • c)
    Both
  • d)
    None
Correct answer is option 'D'. Can you explain this answer?

Dishani Sarkar answered
Explanation: The gradual dissipation of the frontal zone is called frontolysis. The process by which two air masses of different physical characteristics are brought together is Frontogensis and it leads to the formation of a temperate cyclone.

Which of the following is NOT a Direct source for obtaining information about the interior of earth?
  • a)
    Volcanic eruption
  • b)
    Meteorites
  • c)
    Mines
  • d)
    All of the above
Correct answer is option 'B'. Can you explain this answer?

Meteorites are INDIRECT source of information about the Earth’s Interior.
  • Meteorites and Earth are born from the same nebular cloud. Thus, they are likely to have a similar internal structure.
  • When meteoroids fall to the earth, their outer layer is burnt during their fall due to extreme friction and the inner core is exposed.
  • The heavy material composition of their cores confirms the similar composition of the inner core of the earth. 
But because they are not from inside the earth, they act as an INDIRECT source of information due to similar composition.

Which earthquake measuring scale is based on Earth’s rigidity and the amount and area of slip on the fault?
  • a)
    Richter magnitude scale
  • b)
    Moment magnitude scale
  • c)
    Saffir-Simpson scale
  • d)
    Mercalli intensity scale
Correct answer is option 'B'. Can you explain this answer?

Avantika Ahuja answered
Understanding the Moment Magnitude Scale
The Moment Magnitude Scale (Mw) is a modern method for quantifying the size of earthquakes. It provides a more accurate measure than the traditional Richter scale, particularly for larger events.
Key Components of the Moment Magnitude Scale
- Earth's Rigidity: The scale takes into account the rigidity of the Earth's crust, which influences how much energy is released during an earthquake.
- Slip on the Fault: It measures the amount of slip (displacement) that occurs along the fault line during an earthquake. This is crucial as greater slip usually correlates with a more powerful quake.
- Fault Area: The scale also considers the area of the fault that has slipped. A larger fault area typically indicates a more significant release of energy.
Why is Moment Magnitude Scale Superior?
- Accuracy for Large Quakes: The Moment Magnitude Scale provides a more reliable estimate of earthquake size than the Richter scale, especially for those with a magnitude greater than 7.0.
- Global Applicability: It can be used for earthquakes that occur anywhere in the world, making it a universal standard.
- Seismic Moment: The scale is derived from the seismic moment, which is a measure of the energy released during an earthquake. This is calculated from the fault's size, the amount of slip, and the rigidity of the rocks involved.
In summary, the Moment Magnitude Scale is essential for accurately measuring the magnitude of earthquakes, taking into account multiple geological factors that contribute to the event's overall energy release.

The Tropic of Cancer passes through how many states of India?
  • a)
    6
  • b)
    7
  • c)
    8
  • d)
    9
Correct answer is option 'C'. Can you explain this answer?

Gargi Sengupta answered
Tropic of Cancer passes through 8 states of India, which are as follows:

1. Gujarat: The Tropic of Cancer enters India from the Arabian Sea in Gujarat and passes through the districts of Kutch, Mehsana, Sabarkantha, and Banaskantha.

2. Rajasthan: After Gujarat, the Tropic of Cancer enters Rajasthan and passes through the districts of Barmer, Jaisalmer, and Bikaner.

3. Madhya Pradesh: The Tropic of Cancer enters Madhya Pradesh and passes through the districts of Neemuch, Mandsaur, and Shivpuri.

4. Chhattisgarh: After Madhya Pradesh, the Tropic of Cancer enters Chhattisgarh and passes through the district of Surguja.

5. Jharkhand: The Tropic of Cancer passes through the district of Latehar in Jharkhand.

6. West Bengal: After Jharkhand, the Tropic of Cancer enters West Bengal and passes through the district of Purulia.

7. Tripura: The Tropic of Cancer passes through the district of Unakoti in Tripura.

8. Mizoram: Finally, the Tropic of Cancer passes through the district of Champhai in Mizoram.

In conclusion, the Tropic of Cancer passes through a total of 8 states of India, from Gujarat in the west to Mizoram in the east.

Which of the following is a metamorphic rock?
  • a)
    Slate
  • b)
    Sandstone
  • c)
    Peat
  • d)
     Limestone
Correct answer is option 'A'. Can you explain this answer?

Explanation: Sedimentary rock turns into a different kind of metamorphic rock -limestone turns into travertine or marble, and shale turns into slate, and sandstone turns into quartzite. Even though slate is a metamorphic rock, it still looks a lot like a sedimentary rock - it is still in thin layers.

Consider the following statements: 
1. All natural earthquakes take place in the lithosphere.
2. Earthquake waves are basically of three types — body waves, core waves and surface waves. 
Which of the above statement(s) is/ are correct?
  • a)
    Both 1 & 2
  • b)
    Only 2
  • c)
    Only 1
  • d)
    None of the above
Correct answer is option 'C'. Can you explain this answer?

Statement 1 is correct: Yes, all natural earthquakes take place in the lithosphere. The lithosphere is the outermost solid layer of the Earth, and includes the Earth's crust and the rigid upper part of the mantle. 
Statement 2 is incorrect: Earthquake waves are basically of two types — body waves and surface waves. Body waves are generated due to the release of energy at the focus and move in all directions travelling through the body of the earth. There is no specific category called "core waves."

Consider the following statements:
  1. Oceanic crust is primarily composed of basalt.
  2. Continental crust is primarily composed of granite.
  3. Oceanic crust is thicker than continental crust.
How many of the statements given above are correct?
  • a)
    Only one
  • b)
    Only two
  • c)
    All three
  • d)
    None
Correct answer is option 'B'. Can you explain this answer?

Explanation:
Oceanic crust and continental crust are two different types of crust that make up the Earth's outermost layer. Let's analyze each statement individually:

Statement 1: Oceanic crust is primarily composed of basalt.
- This statement is correct. Oceanic crust is indeed primarily composed of basalt, a dark volcanic rock that is rich in iron and magnesium.

Statement 2: Continental crust is primarily composed of granite.
- This statement is incorrect. While granite is a common rock type found in the continental crust, it is not the primary composition. Continental crust is made up of a variety of rocks, including granite, sedimentary rocks, and metamorphic rocks.

Statement 3: Oceanic crust is thicker than continental crust.
- This statement is also incorrect. In reality, oceanic crust is thinner and denser than continental crust. Oceanic crust is typically around 5-10 kilometers thick, while continental crust can be up to 70 kilometers thick.
Therefore, only the first statement is correct, making option 'B', "Only two," the correct answer.

Which one of the following is the dominant element of the Earth's crust?
  • a)
    Aluminium
  • b)
    Iron
  • c)
    Oxygen
  • d)
    None of the above
Correct answer is option 'C'. Can you explain this answer?

Raghav Patel answered
Dominant Element of the Earth's Crust
The Earth's crust is the outermost layer of our planet, composed of various elements and minerals. Among these, oxygen is the most abundant element.
Composition of the Earth's Crust
- The Earth's crust is primarily made up of silicate minerals, which are compounds that include silicon and oxygen.
- Oxygen constitutes about 46.6% of the Earth's crust by weight, making it the dominant element.
Significance of Oxygen
- Oxygen's high abundance is due to its ability to bond with many other elements, forming a variety of minerals.
- Common minerals in the crust, such as feldspar, quartz, and mica, are silicates, which inherently include oxygen in their molecular structure.
Comparison with Other Elements
- Aluminium, although the third most abundant element in the crust, only accounts for about 8.1% by weight.
- Iron is also present but makes up roughly 5% of the Earth's crust, ranking it lower than both oxygen and aluminium.
Conclusion
- Oxygen's dominance in the Earth's crust is fundamental to the composition of rocks and minerals that form the landscape we see today.
- Understanding the elemental composition helps geologists and scientists in various fields, including geology, mineralogy, and environmental science.
In summary, oxygen is the predominant element in the Earth's crust, significantly influencing its geological features and the formation of minerals.

Which one among the following Union Territories of India is the smallest in geographical area?
  • a)
    Chandigarh
  • b)
    Puducherry
  • c)
    Dadra and Nagar Haveli and Daman and Diu
  • d)
    Lakshadweep
Correct answer is option 'D'. Can you explain this answer?

Sounak Menon answered
The smallest Union Territory of India in terms of geographical area is Lakshadweep.

Geographical Area:
- Lakshadweep has a total area of 32 sq km.
- It is located in the Arabian Sea, off the west coast of India.
- It is a group of 36 islands, out of which only 10 are inhabited.

Comparison with other Union Territories:
- Chandigarh is the capital city of two Indian states, Punjab and Haryana. It has a total area of 114 sq km.
- Puducherry is a former French colony and has a total area of 479 sq km.
- Dadra and Nagar Haveli and Daman and Diu are two separate Union Territories merged into one in 2020. They have a total area of 603 sq km.

Hence, Lakshadweep is the smallest Union Territory of India in terms of geographical area.

Which is the smallest union territory of India in terms of total area?
  • a)
    Puducherry
  • b)
    Daman and Diu
  • c)
    Chandigarh
  • d)
    Lakshadweep
Correct answer is option 'D'. Can you explain this answer?

Gargi Kaur answered
The smallest union territory of India in terms of total area is Lakshadweep.

Located off the coast of Kerala, Lakshadweep is an archipelago consisting of 36 islands. It covers a total area of just 32 square kilometers.

Some key facts about Lakshadweep include:

Geography:
- Lakshadweep is located in the Arabian Sea, about 200-400 km off the coast of Kerala.
- The archipelago consists of 36 islands, 10 of which are inhabited.
- The islands are made up of coral reefs and sand banks.

Population:
- As per the 2011 census, the population of Lakshadweep was 64,473.
- The majority of the population is Muslim, and the official language is Malayalam.

Economy:
- Fishing and coconut cultivation are the main sources of income for the people of Lakshadweep.
- Tourism is also an important industry, with the islands attracting visitors for their pristine beaches and coral reefs.

Administration:
- Lakshadweep is governed by an administrator appointed by the President of India.
- The islands are represented in the Lok Sabha by a single member, who is elected by the people of Lakshadweep.
- The islands do not have a separate High Court, and are under the jurisdiction of the Kerala High Court.

Overall, while Lakshadweep may be small in terms of total area, it is a unique and important part of India's cultural and ecological diversity.

The Zoji La Pass is in which mountain range?
  • a)
    Zanskar Range
  • b)
    Ladakh Range
  • c)
    East Karakoram Range
  • d)
    Dhauladhar Range
Correct answer is option 'A'. Can you explain this answer?

Anmol Kumar answered
Zoji La Pass is one of the high altitude mountain passes in India. It is located in the Zanskar Range of the Himalayas in the union territory of Jammu and Kashmir.

Here are some more details about the Zanskar Range and the Zoji La Pass:

Zanskar Range:
- The Zanskar Range is a mountain range in the western Himalayas, located in the Indian state of Jammu and Kashmir.
- It is a part of the larger Himalayan Range and is located to the south-west of the main range.
- The Zanskar Range has several high altitude mountain passes, including the Zoji La Pass.

Zoji La Pass:
- Zoji La Pass is a high altitude mountain pass located in the Zanskar Range of the western Himalayas, at an elevation of 11,575 feet (3,528 metres).
- It connects the Kashmir Valley to the west with the Drass and Suru valleys to the east.
- The pass is an important link between Srinagar and Leh, and is a crucial lifeline for the people of Ladakh.
- The pass remains closed during winter due to heavy snowfall, and is only accessible during the summer months from May to September.

In conclusion, the Zoji La Pass is located in the Zanskar Range of the western Himalayas, making option A the correct answer.

In which one of the following cities the mountains of sand called “Sand Dunes” are found?
  • a)
    Abu Dhabi
  • b)
    Berlin
  • c)
    Thimpu
  • d)
    Kabul
Correct answer is option 'A'. Can you explain this answer?

Shubham Ghosh answered
Sand Dunes in Abu Dhabi
Abu Dhabi, the capital of the United Arab Emirates, is renowned for its vast deserts and stunning sand dunes. Here’s why Abu Dhabi is the correct answer:
Geographical Features
- Abu Dhabi is situated in a desert region, specifically the Arabian Desert.
- The city is surrounded by sprawling sand dunes that can reach heights of up to 100 meters.
- The unique topography of the area creates remarkable landscapes, attracting tourists and adventure enthusiasts.
Desert Activities
- Sand dunes in Abu Dhabi offer various activities such as dune bashing, sandboarding, and camel riding.
- The Liwa Oasis, located to the south of Abu Dhabi, features some of the largest sand dunes in the world.
Climate Influence
- The hot desert climate contributes to the formation of sand dunes, with minimal rainfall and high temperatures.
- Wind patterns play a significant role in shaping the dunes, creating ever-changing formations.
Comparison with Other Cities
- Berlin: A major city in Germany, known for its historical significance, not for sand dunes.
- Thimpu: The capital of Bhutan, characterized by mountains and greenery rather than deserts.
- Kabul: While it is located near mountainous terrain, it does not have the significant sand dune formations found in Abu Dhabi.
Conclusion
Abu Dhabi stands out among the options due to its prominent sand dunes, making it a unique destination for those interested in desert landscapes. The other cities listed do not have comparable features, confirming that option 'A' is indeed the correct choice.

Consider the following statements:
Statement-I: Continental drift theory was proposed by Alfred Wegener.
Statement-II: The theory suggests that continents move due to forces generated by Earth’s rotation.
Which one of the following is correct in respect of the above statements?
  • a)
    Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I
  • b)
    Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I
  • c)
    Statement-I is correct but Statement-II is incorrect
  • d)
    Statement-I is incorrect but Statement-II is correct
Correct answer is option 'B'. Can you explain this answer?

Deepika Gupta answered
Explanation:

Statement-I: Continental drift theory was indeed proposed by Alfred Wegener. He presented this theory in 1912, suggesting that continents were once joined together in a single landmass called Pangea and have since drifted apart.

Statement-II: The theory of continental drift does not propose that continents move due to forces generated by Earth's rotation. Instead, it suggests that the movement of continents is driven by the process of plate tectonics, where the Earth's lithosphere is divided into several large plates that float on the semi-fluid asthenosphere.
Therefore, the correct option is:

Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I (Option B).

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