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Geography Mock Test- 4 - Class 9 MCQ


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30 Questions MCQ Test Subject-wise Mock Test for Class 9 2025 - Geography Mock Test- 4

Geography Mock Test- 4 for Class 9 2024 is part of Subject-wise Mock Test for Class 9 2025 preparation. The Geography Mock Test- 4 questions and answers have been prepared according to the Class 9 exam syllabus.The Geography Mock Test- 4 MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Geography Mock Test- 4 below.
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Geography Mock Test- 4 - Question 1

Which of the following affects the self-cleansing capacity of the river?

Detailed Solution for Geography Mock Test- 4 - Question 1

The self cleansing capacity of a river refers to the natural ways in which the river gets rid of the pollutants discharged into it. The flow of the river, the presence of bacteria which decompose the pollutants and make them into harmless substances, are some factors which contribute to the self cleansing capacity of the river. But this can work to a certain limit only. Natural processes can help to keep the river clean to a certain extent but they cannot overcome uncontrolled pollution.

Geography Mock Test- 4 - Question 2

As per 2001 census, which of the following states has the least density of population?

Detailed Solution for Geography Mock Test- 4 - Question 2

To determine which state has the least density of population as per the 2001 census, we need to compare the population density of the given states: West Bengal, Bihar, Arunachal Pradesh, and Uttar Pradesh.
1. West Bengal:
- Population density: The population density of West Bengal in 2001 was 903 people per square kilometer.
2. Bihar:
- Population density: The population density of Bihar in 2001 was 880 people per square kilometer.
3. Arunachal Pradesh:
- Population density: The population density of Arunachal Pradesh in 2001 was 13 people per square kilometer.
4. Uttar Pradesh:
- Population density: The population density of Uttar Pradesh in 2001 was 690 people per square kilometer.
From the above values, we can observe that Arunachal Pradesh has the least density of population among the given states. The population density of Arunachal Pradesh in 2001 was significantly lower compared to West Bengal, Bihar, and Uttar Pradesh.
Therefore, the answer is C: Arunachal Pradesh has the least density of population as per the 2001 census.
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Geography Mock Test- 4 - Question 3

Which of the following trees is used for treating blood pressure?

Detailed Solution for Geography Mock Test- 4 - Question 3

Sarpagandha is best known for treating high blood pressure, it is used in Indian folk medicine as a remedy for mental disorders too. The role of reserpine in reducing blood pressure can be described as follows. Dopamine, epinephrine (adrenaline), and noradrenaline are a group of hormones (neurotransmitters) known collectively as catecholamines. These are produced in the adrenal glands and are released into the bloodstream in response to physical or emotional stress. Noradrenaline constricts the blood vessels increasing the blood pressure and adrenaline increases the heart rate and metabolism.

Geography Mock Test- 4 - Question 4

Which one of the following types of vegetation does rubber belong to?

Detailed Solution for Geography Mock Test- 4 - Question 4
Vegetation Types:
- Tundra
- Tidal
- Himalayan
- Tropical evergreen
Explanation:
- Rubber belongs to the vegetation type of tropical evergreen.
- Tropical evergreen forests are found in regions near the equator, characterized by high rainfall and constant high temperatures.
- Rubber trees (Hevea brasiliensis) thrive in these conditions and are commonly found in tropical evergreen forests.
- Rubber trees are known for their ability to produce latex, which is used to make rubber.
- These forests are dense and diverse, with a wide variety of plant and animal species.
- Other common vegetation found in tropical evergreen forests include ferns, orchids, and various types of tall trees.
- The dense canopy of these forests provides a suitable environment for the growth of rubber trees.
Conclusion:
- Rubber belongs to the vegetation type of tropical evergreen due to its preference for high rainfall and constant high temperatures, which are characteristic of this type of vegetation.
Geography Mock Test- 4 - Question 5

Both the latitudinal and longitudinal extent of India’s mainland is about 30°. But on looking at the map of India which of the following alternatives do you observe about India’s size?

Detailed Solution for Geography Mock Test- 4 - Question 5
Explanation:

  • Latitudinal and Longitudinal Extent: The latitudinal and longitudinal extent of India's mainland is about 30°.

  • Observation on India's Size: When looking at the map of India, we observe that the east-west extent appears to be smaller than the north-south extent.

  • Reasoning: Despite both the latitudinal and longitudinal extent being about 30°, the actual physical size of India on the map appears to be longer from north to south than from east to west.

  • Visual Perception: This visual perception is due to the way the map is projected and the distortion that can occur when representing a three-dimensional object (Earth) on a two-dimensional surface (map).

Geography Mock Test- 4 - Question 6

In which of the following states are Nainital and Bhimtal located?

Detailed Solution for Geography Mock Test- 4 - Question 6
Bhimtal is a town and a nagar panchayat in Nainital district in the state of Uttarakhand, India, situated at an altitude of 1370 meters above sea level and is about 22 kilometers from Nainital. The major attraction in Bhimtal is the Bhimtal Lake, which has an island at its centre. Besides tourism, Bhimtal has also now become a mini district headquarters since most of the district administration offices have been shifted to the newly constructed Vikas Bhawan, the building complex for district administrative offices.
Geography Mock Test- 4 - Question 7

Most parts of India receive rainfall during which of the following months?

Detailed Solution for Geography Mock Test- 4 - Question 7

India has a diverse climate due to its vast geographical area. Different regions of India experience rainfall during different months. The majority of India receives rainfall during the monsoon season, which typically occurs from June to September.
Here is a detailed breakdown of the rainfall patterns in India:
The Monsoon Season:
- The monsoon season in India is characterized by the southwest monsoon winds that bring rainfall to most parts of the country.
- This season starts in June and continues until September.
- The southwest monsoon winds begin in the southern states of Kerala and Tamil Nadu and gradually cover the entire country.
- During this period, the central, northern, and northeastern regions of India receive heavy rainfall.
Other Seasons:
- Apart from the monsoon season, there are other periods when certain regions receive rainfall.
- The winter months of December to February can bring rainfall to the southern parts of India, particularly Tamil Nadu and Kerala.
- The northeastern states of India, such as Assam and Meghalaya, experience rainfall throughout the year due to their proximity to the Bay of Bengal and the influence of the southwest monsoon winds.
- Some regions in the western Himalayas, such as Himachal Pradesh and Uttarakhand, receive rainfall during the months of October and November.
Conclusion:
- In summary, the months of June to September are generally the period when most parts of India receive rainfall, known as the monsoon season.
- However, there are exceptions, such as the winter months and certain regions that receive rainfall during other times of the year.
Geography Mock Test- 4 - Question 8

In which of the following months does the Tamil Nadu coast get most of its rainfall?

Detailed Solution for Geography Mock Test- 4 - Question 8

Tamilnadu lies on the leeward side for the south west monsoon starts retreating after mid- September, North East monsoon sets in during mid-october. Tamilnadu lies on the windward side for these winds and hence gets more rainfall during the winter season. Therefore, there is getting most of the rainfall in the months from October to November.

Geography Mock Test- 4 - Question 9

Which of the following places in India experiences a very high diurnal range of temperature?

Detailed Solution for Geography Mock Test- 4 - Question 9

The correct option is B.
Jodhpur lies in the North-Western region of India in the state of Rajasthan.The north-western part of India comprising the Indian Desert experiences the highest diurnal range of temperature. This is because of the fact that sand (found in ample quantity in this region) gains and loses heat very quickly. As a result of this phenomenon, there is a wide difference between day and night temperatures in this region. The day temperature may rise to 50°C and drop down to near 15°C the same night.

Geography Mock Test- 4 - Question 10

According to the ‘Theory of Plate Tectonics,’ when some plates move away from each other, which of the following is formed?

Detailed Solution for Geography Mock Test- 4 - Question 10

According to the theory of plate tectonics, the earth’s lithosphere is broken into distinct plates which are floating on a ductile layer called asthenosphere (upper mantle). Plates move horizontally over the asthenosphere as rigid units.

The lithosphere includes the crust and top mantle with its thickness range varying between 5-100 km in oceanic parts and about 200 km in the continental areas.

The oceanic plates contain mainly the Simatic crust and are relatively thinner, while the continental plates contain Sialic material and are relatively thicker.

Lithospheric plates (sometimes called crustal plates, tectonic plates) vary from minor plates to major plates, continental plates (Arabian plate) to oceanic plates (Pacific plate), sometime a combination of both continental and oceanic plates (Indo-Australian plate).

The movement of these crustal plates causes the formation of various landforms and is the principal cause of all earth movements.

Geography Mock Test- 4 - Question 11

Which is the most populous country of the world?

Detailed Solution for Geography Mock Test- 4 - Question 11
Most Populous Country in the World: China
Explanation:
China is currently the most populous country in the world with a population of over 1.4 billion people. Here is a detailed explanation of why China is the most populous country:
1. Population Size:
China has the largest population in the world, surpassing both India and the United States. Its population size contributes significantly to its status as the most populous country.
2. Population Growth:
China has experienced rapid population growth over the years, although it has implemented strict population control measures such as the one-child policy. However, even with these measures, China's population has continued to grow steadily.
3. Urbanization:
China has witnessed a massive wave of urbanization, with millions of people moving from rural areas to cities in search of better employment opportunities and a higher standard of living. This urban migration has contributed to the overall population growth of the country.
4. Economic Development:
China's rapid economic development has led to improved healthcare, increased life expectancy, and a decline in infant mortality rates. These factors have contributed to the overall population growth and longevity of its citizens.
5. Cultural Factors:
China has a rich cultural heritage that places importance on family and encourages larger family sizes. This cultural aspect has also played a role in the country's high population.
In conclusion, China's large population size, steady population growth, urbanization, economic development, and cultural factors all contribute to its status as the most populous country in the world.
Geography Mock Test- 4 - Question 12

The Yak (ox) and the Bharal are found in ?

Detailed Solution for Geography Mock Test- 4 - Question 12
Answer:
The Yak (ox) and the Bharal are found in the region of Ladakh, which is located in Jammu and Kashmir. Here is a detailed explanation:
1. Introduction:
The Yak and the Bharal are two distinct animals that are found in the region of Ladakh.
2. The Yak:
- The Yak, also known as the domesticated ox, is a large bovine animal.
- It is primarily found in the high-altitude regions of the Himalayas, including Ladakh.
- Yaks are well-adapted to the harsh climate of Ladakh, with their thick fur and strong bodies.
- They are often used by the local people for transportation and as pack animals.
3. The Bharal:
- The Bharal, also known as the blue sheep, is a species of sheep found in the high-altitude mountainous regions of Ladakh.
- They are known for their distinctive bluish-gray coloration and curved horns.
- Bharals are well-adapted to the rugged terrain of Ladakh and can be found grazing on steep slopes and rocky cliffs.
4. Ladakh:
- Ladakh is a region located in the northern part of the Indian state of Jammu and Kashmir.
- It is known for its high-altitude desert landscape and extreme weather conditions.
- The region is sparsely populated and is home to a diverse range of wildlife, including the Yak and the Bharal.
- Ladakh provides a suitable habitat for these animals due to its cold climate and availability of grazing areas.
In conclusion, the Yak and the Bharal are found in the region of Ladakh, which is located in Jammu and Kashmir. These animals have adapted to the harsh climate and rugged terrain of Ladakh, making it their natural habitat.
Geography Mock Test- 4 - Question 13

The Himalayan uplift out of the Tethys Sea and subsidence of the northern flank of the peninsular plateau resulted in the formation of a large basin. Which of the following physical divisions of India was formed due to filling up of this depression?

Detailed Solution for Geography Mock Test- 4 - Question 13

(a) The Himalayan uplift out of the Tethys sea and subsidence of the Northern flank of the peninsular plateau resulted in the formation of a large basin. In course of time, this depression gradually got filled with deposition of sediments from rivers flowing from the mountains in the north and led to formation of the fertile Northern plains.
(b) It spreads over an area of 7 lakh sq km. The plain is about 2400 km long and 240-230 km broad.
(c) It is a densely populated and an intensively cultivated area. 

Geography Mock Test- 4 - Question 14

Geologically, which of the following physiographic divisions of India is supposed to be one of the most stable land blocks?

Detailed Solution for Geography Mock Test- 4 - Question 14

The Peninsular Plateau
- Formed due to the breaking and drifting of Gondwana land.
- Plateau contains igneous and metamorphic rocks.
- Considered to be one of the most stable land blocks.
- The Deccan plateau is one of the most ancient landmasses.
- The average height of the plateau is 900 metres.
- The plateau is a storehouse of minerals.
- Peninsular rivers are seasonal.

Geography Mock Test- 4 - Question 15

Which of the following rivers is known as the ‘Dakshin Ganga’?

Detailed Solution for Geography Mock Test- 4 - Question 15
Answer:
Introduction:
The river known as the 'Dakshin Ganga' is one of the major rivers in India. It is referred to as the 'Dakshin Ganga' because it is considered the southern counterpart of the holy river Ganga.
Identification of the correct river:
Out of the given options, the river that is known as the 'Dakshin Ganga' is:
A: The Godavari
Explanation:
The Godavari river is the correct answer. Here's why:
- The Godavari river is the second-longest river in India and is often referred to as the 'Dakshin Ganga' or the 'Ganges of the South'.
- It originates in the Western Ghats of Maharashtra and flows through the states of Maharashtra, Telangana, Andhra Pradesh, and Odisha before emptying into the Bay of Bengal.
- The Godavari river is considered sacred by Hindus and is also associated with various legends and mythological stories.
- It is known for its importance in irrigation and is a lifeline for the people living in its basin.
Conclusion:
The river known as the 'Dakshin Ganga' is the Godavari river. It is an important river in India and is often referred to as the 'Ganges of the South'.
Geography Mock Test- 4 - Question 16

Which one of the following is not one of the six major controls of the climate of any place?

Detailed Solution for Geography Mock Test- 4 - Question 16

The six major controls of climate change of a place are 1. Latitude,2. Altitude,3. Pressure and wind system,4. Distance from the sea,5. Ocean currents,6. Relief features. Temperature is not included in this list.

Geography Mock Test- 4 - Question 17

Latitude and altitude of a place determine which of the following climatic elements of a place?

Detailed Solution for Geography Mock Test- 4 - Question 17
Latitude and Altitude: Factors influencing climatic elements
Latitude and altitude are two important geographical factors that significantly influence the climatic elements of a place. They determine various aspects of the climate, including pressure and wind systems, temperature, and rainfall patterns. Here's a detailed explanation:
1. Pressure and Wind System:
- The Earth's rotation and the distribution of solar energy create atmospheric pressure differences, leading to the formation of wind systems.
- Latitude affects the distribution of solar energy, which in turn influences pressure belts and the formation of wind patterns such as trade winds, prevailing westerlies, and polar easterlies.
- Altitude also plays a role in pressure variations, as air pressure decreases with increasing altitude.
2. Temperature:
- Latitude has a significant impact on temperature patterns. As one moves away from the equator towards the poles, temperatures generally decrease.
- The angle at which solar radiation reaches the Earth's surface varies with latitude, affecting the amount of heat received.
- Altitude also influences temperature. Higher altitudes are generally cooler due to the decrease in air density and the associated decrease in heat capacity.
3. Rainfall Pattern:
- Latitude and altitude are key factors in determining the global distribution of precipitation.
- Areas near the equator receive more rainfall due to the convergence of trade winds and the presence of the Inter-Tropical Convergence Zone (ITCZ).
- Altitude affects rainfall patterns through the orographic effect. As air rises over mountains, it cools and condenses, leading to increased rainfall on the windward side and a rain shadow effect on the leeward side.
Conclusion:
In summary, latitude and altitude are crucial factors that determine various climatic elements of a place, including pressure and wind systems, temperature patterns, and rainfall distribution. Understanding these factors is essential in studying and predicting climate patterns and their impacts on ecosystems and human activities.
Geography Mock Test- 4 - Question 18

The Himalayas consist of three parallel ranges in its longitudinal extent. Which of the following is the name of the northern-most range?

Detailed Solution for Geography Mock Test- 4 - Question 18

Shiwalik:

a) The outer most range is known as the Shiwalik.

b) Its width is of 10-50 km and has an altitude varying between 900 and 1000m.

c) These ranges are composed of loose river deposits brought down by rivers from the main Himalayan ranges located for north.

The longitudinal valley lying between lesser himalayaand shiwaliks are known as duns. 

Geography Mock Test- 4 - Question 19

Which part of the Himalayas is perennially snowbound?

Detailed Solution for Geography Mock Test- 4 - Question 19

Mothly is the part of Himalaya. The mountain peaks in the Himadri regiom was periodically snow bound because of their proximity to the tropics. Moreover they form sources of perennial river system like ganga river system and ganga-bharamputra river system.

Geography Mock Test- 4 - Question 20

Which of the following is the highest peak in India?

Detailed Solution for Geography Mock Test- 4 - Question 20

The Kangchenjunga is the highest mountain peak in India and ranked 3rd highest summit in the world with an elevation of 8,586 m (28,169 ft). The highest mountainKangchenjunga is located at the border of India and Nepal in the great Himalayas range,Sikkim.

Geography Mock Test- 4 - Question 21

The drainage basin of which of the following rivers covers parts of Karnataka, Kerala and Tamil Nadu?

Detailed Solution for Geography Mock Test- 4 - Question 21
Answer:
The drainage basin of the Kaveri river covers parts of Karnataka, Kerala, and Tamil Nadu. Here is a detailed explanation:
Kaveri River
- The Kaveri river, also known as the Cauvery river, is one of the major rivers in India.
- It originates from the Talakaveri in the Western Ghats of Karnataka.
- The river flows through the states of Karnataka and Tamil Nadu before emptying into the Bay of Bengal.
- The total length of the Kaveri river is approximately 800 kilometers.
Drainage Basin
- A drainage basin is an area of land where all the water that falls in it drains into a particular river system.
- It includes all the tributaries, streams, and rivers that contribute to the main river.
- The Kaveri river has a large drainage basin that covers parts of Karnataka, Kerala, and Tamil Nadu.
- In Karnataka, the river basin covers regions such as Coorg, Mysore, and Mandya.
- In Kerala, the river basin covers parts of Wayanad and Palakkad districts.
- In Tamil Nadu, the river basin covers regions such as Erode, Tiruchirappalli, and Thanjavur.
Other Options
- The Godavari river, option A, has its drainage basin in the states of Maharashtra, Telangana, Andhra Pradesh, and Chhattisgarh.
- The Krishna river, option B, has its drainage basin in the states of Maharashtra, Karnataka, and Andhra Pradesh.
- The Musi river, option D, has its drainage basin in the state of Telangana.
Therefore, the correct answer is option C: Kaveri.
Geography Mock Test- 4 - Question 22

The Amravati, Bhavani, Hemavati and Kabini are the tributaries of which of the following rivers?

Detailed Solution for Geography Mock Test- 4 - Question 22
Tributaries of the Kaveri River:

  • Amravati: It is a tributary of the Kaveri River.

  • Bhavani: It is a tributary of the Kaveri River.

  • Hemavati: It is a tributary of the Kaveri River.

  • Kabini: It is a tributary of the Kaveri River.


Options:

  • Option A: Wainganga - Incorrect, Wainganga is not related to the tributaries of the Kaveri River.

  • Option B: Bhima - Incorrect, Bhima is not related to the tributaries of the Kaveri River.

  • Option C: Krishna - Incorrect, Krishna is not related to the tributaries of the Kaveri River.

  • Option D: Kaveri - Correct, the Amravati, Bhavani, Hemavati, and Kabini are tributaries of the Kaveri River.


Therefore, the correct answer is Option D: Kaveri.
Geography Mock Test- 4 - Question 23

Which of the following is the longitudinal extent of India?

Detailed Solution for Geography Mock Test- 4 - Question 23

The longitudinals extent of India is 68°7 E and 97° 25 E. 
implications-
1) The longitudinal extent affects the local time for different states in our country.
2) since 30° meridian or pass from east to west and earth takes two hours to cover them so there is the time lag of two hours as we move from east to west

Geography Mock Test- 4 - Question 24

Approximately what is the latitudinal and longitudinal extent of the mainland of India?

Detailed Solution for Geography Mock Test- 4 - Question 24

India lies wholly in the northern and eastern hemispheres. The main land of India extends from 8o 4' 28" N to 37o 17' 53" N latitudes and from 68o 7' 53" E to 97o 24' 47" E longitudes. The latitudinal and longitudinal extent of India is approximately the same i.e. 30º.

 

Geography Mock Test- 4 - Question 25

The Wainganga and the Penganga are tributaries of which of the following rivers?

Detailed Solution for Geography Mock Test- 4 - Question 25
Answer:
The Wainganga and the Penganga are tributaries of the Godavari River. Here is a detailed explanation:
Introduction:
The Wainganga and the Penganga are two important rivers in India. They both flow in the central part of the country and are major tributaries of a well-known river.
Explanation:
The Wainganga River:
- The Wainganga River is a major river in India that flows through the states of Maharashtra, Madhya Pradesh, and Chhattisgarh.
- It originates in the Satpura Range in Madhya Pradesh and flows eastward, eventually joining the Godavari River in Maharashtra.
- The Wainganga River is known for its rich biodiversity, and it serves as a lifeline for the surrounding regions by providing water for irrigation and other purposes.
The Penganga River:
- The Penganga River is another important river in India that flows through the states of Maharashtra and Telangana.
- It originates in the Balaghat Range in Maharashtra and flows eastward, eventually joining the Wardha River, which is a tributary of the Godavari River.
- The Penganga River is also known for its scenic beauty and plays a crucial role in the agricultural activities of the region.
The Godavari River:
- The Godavari River is one of the major rivers in India and is often referred to as the "Ganga of the South."
- It is the second-longest river in India after the Ganges and flows through the states of Maharashtra, Telangana, Andhra Pradesh, and Odisha.
- The Godavari River has several tributaries, including the Wainganga and the Penganga, which contribute to its overall flow and water resources.
- The Godavari River is of great cultural, economic, and ecological significance and is widely revered by the people living in its basin.
Conclusion:
In conclusion, the Wainganga and the Penganga are tributaries of the Godavari River. They both contribute to the flow and water resources of the Godavari basin, playing a crucial role in the lives of the people and the ecosystem of the region.
Geography Mock Test- 4 - Question 26

The Tungabhadra and the Koyna are tributaries of which of the following rivers?

Detailed Solution for Geography Mock Test- 4 - Question 26

The rivers Venna, Koyna, Vasna, Panchganga, Dudhganga, Ghataprabha, Malaprabha and Tungabhadra join Krishna from the right bank; while the Yerla River, Musi River, Maneru and Bhima rivers join the Krishna from the left bank.

Geography Mock Test- 4 - Question 27

Read the source given below and answer the questions that follow:

The cold weather season begins from midNovember in northern India and stays till February. December and January are the coldest months in the northern part of India. The temperature decreases from south to north. The average temperature of Chennai on the eastern coast, is between 24° C - 25° Celsius, while in the northern plains, it ranges between 10°C and 15° Celsius. Days are warm and nights are cold. Frost is common in the north and the higher slopes of the Himalayas experience snowfall.

During this season, the northeast trade winds prevail over the country. They blow from land to sea and hence, for most parts of the country, it is a dry season. Some amount of rainfall occurs on the Tamil Nadu coast from these winds as, here they blow from sea to land.

In the northern part of the country, a feeble high pressure region develops, with light winds moving outwards from this area. Influenced by the relief, these winds blow through the Ganga valley from the west and the northwest. The weather is normally marked by clear sky, low temperatures and low humidity and feeble, variable winds.

A characteristic feature of the cold weather season over the northern plains is the inflow of cyclonic disturbances from the west and the northwest. These low-pressure systems originate over the Mediterranean Sea and western Asia and move into India, along with the westerly flow. They cause the much-needed winter rains over the plains and snowfall in the mountains. Although the total amount of winter rainfall locally known as ‘mahawat’ is small, they are of immense importance for the cultivation of ‘rabi’ crops.

Q. Which one of the following characterizes the cold weather season in India?

Detailed Solution for Geography Mock Test- 4 - Question 27
The cold weather season in India begins during mid November in Northern India and stays till February. December and January are the coldest months.

During the cold season, the days are warm and nights are cold. When temperature decreases, frost is commonly experienced in Northern India.

Geography Mock Test- 4 - Question 28

Read the source given below and answer the questions that follow:

The cold weather season begins from midNovember in northern India and stays till February. December and January are the coldest months in the northern part of India. The temperature decreases from south to north. The average temperature of Chennai on the eastern coast, is between 24° C - 25° Celsius, while in the northern plains, it ranges between 10°C and 15° Celsius. Days are warm and nights are cold. Frost is common in the north and the higher slopes of the Himalayas experience snowfall.

During this season, the northeast trade winds prevail over the country. They blow from land to sea and hence, for most parts of the country, it is a dry season. Some amount of rainfall occurs on the Tamil Nadu coast from these winds as, here they blow from sea to land.

In the northern part of the country, a feeble high pressure region develops, with light winds moving outwards from this area. Influenced by the relief, these winds blow through the Ganga valley from the west and the northwest. The weather is normally marked by clear sky, low temperatures and low humidity and feeble, variable winds.

A characteristic feature of the cold weather season over the northern plains is the inflow of cyclonic disturbances from the west and the northwest. These low-pressure systems originate over the Mediterranean Sea and western Asia and move into India, along with the westerly flow. They cause the much-needed winter rains over the plains and snowfall in the mountains. Although the total amount of winter rainfall locally known as ‘mahawat’ is small, they are of immense importance for the cultivation of ‘rabi’ crops.

Q. In the cold weather season of winter, the temperature decreases from:

Detailed Solution for Geography Mock Test- 4 - Question 28
The cool and low temperature begins in the month of the November and stays till Jan as the coldest months and thus as we move from the south to the north the temperature does on decreeing as we move towards the Himalayas and the average temperature in the south in the winter is about the 24 to 25 degrees.
Geography Mock Test- 4 - Question 29

Read the source given below and answer the questions that follow:

The summer months experience rising temperature and falling air pressure in the northern part of the country. Towards the end of May, an elongated low-pressure area develops in the region extending from the Thar Desert in the northwest to Patna and Chota Nagpur Plateau in the east and southeast. Circulation of air begins to set in around this trough.

A striking feature of the hot weather season is the ‘loo’. These are strong, gusty, hot, dry winds blowing during the day over the north and northwestern India. Sometimes they even continue until late in the evening. Direct exposure to these winds may even prove to be fatal. Dust storms are very common during the month of May in northern India. These storms bring temporary relief as they lower the temperature and may bring light rain and cool breeze. This is also the season for localised thunderstorms, associated with violent winds, torrential downpours often accompanied by hail. In West Bengal, these storms are known as the ‘Kal Baisakhi’.

Towards the close of the summer season, pre monsoon showers are common, especially in Kerala and Karnataka. They help in the early ripening of mangoes, and are often referred to as ‘mango showers’.

Q. The rising temperature and falling air pressure in summer is seen in which part of the country?

Detailed Solution for Geography Mock Test- 4 - Question 29
In peninsular India, temperatures remain lower due to the moderating influence of the oceans. The summer months experience rising temperature and falling air pressure in the northern part of the country.
Geography Mock Test- 4 - Question 30

Read the source given below and answer the questions that follow:

There are six major controls of the climate of any place. They are: latitude, altitude, pressure and wind system, distance from the sea (continentality), ocean currents and relief features.

Due to the curvature of the earth, the amount of solar energy received varies according to latitude. As a result, air temperature generally decreases from the equator towards the poles. As one goes from the surface of the earth to higher altitudes, the atmosphere becomes less dense and temperature decreases. The hills are therefore cooler during summers. The pressure and wind system of any area depend on the latitude and altitude of the place. Thus, it influences the temperature and rainfall pattern. The sea exerts a moderating influence on climate: As the distance from the sea increases, its moderating influence decreases and the people experience extreme weather conditions. This condition is known as continentality (i.e., very hot during summers and very cold during winters). Ocean currents along with onshore winds affect the climate of the coastal areas. For example, any coastal area with warm or cold currents flowing past it, will be warmed or cooled if the winds are onshore.

Finally, relief too plays a major role in determining the climate of a place. High mountains act as barriers for cold or hot winds, they may also cause precipitation if they are high enough and lie in the path of rain bearing winds. The Leeward side of the mountains remains relatively dry.

Q. Due to the ________ of the earth, the amount of solar energy received varies according to latitude.

Detailed Solution for Geography Mock Test- 4 - Question 30
Due to the curvature of the earth, the amount of solar energy received varies according to latitude. As a result, air temperature generally decreases from the equator towards the poles. As one goes from the surface of the. earth to higher altitudes, the atmosphere becomes less dense and temperature decreases.
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