IAS Prelims 2014: Gs Paper I: Indian And World Geography

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  • 1/54 Questions

    Consider the following statements: 1. The duration of the monsoon decreases from southern India to northern India. 2. The amount of annual rainfall in the northern plains of India decreases from east to west. Which of the statements given above is / are correct?

    • 1 only
    • 2 only
    • Both 1 and 2
    • Neither 1 nor 2
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About This Quiz

This quiz focuses on Indian and World Geography, assessing knowledge of geographical features, environmental science, and conservation methods. It is designed for IAS Prelims 2014 GS Paper I preparation, testing understanding of physical geography and environmental impact.

IAS Prelims 2014: Gs Paper I: Indian And World Geography - Quiz

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  • 2. 

    When you travel in Himalayas, you will see the following: 1. Deep gorges 2. U-turn river courses 3. Parallel mountain ranges 4. Steep gradients causing land-sliding Which of the above can be said to be the evidences for Himalayas being young fold mountains?

    • 1 and 2 only

    • 1, 2 and 4 only

    • 3 and 4 only

    • 1, 2, 3 and 4

    Correct Answer
    A. 1, 2, 3 and 4
    Explanation
    The presence of deep gorges, U-turn river courses, parallel mountain ranges, and steep gradients causing land-sliding in the Himalayas can be considered as evidence for them being young fold mountains. These features indicate active tectonic processes and recent geological activity, which are characteristic of young fold mountains.

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  • 3. 

    Consider the following statements: 1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes. 2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes. Which of the statements given above is/are correct?

    • 1 only

    • 2 only

    • Both I and 2

    • Neither 1 and 2

    Correct Answer
    A. Both I and 2
    Explanation
    Both statements 1 and 2 are correct. Statement 1 is referring to the latitudinal gradient of biodiversity, which states that biodiversity is generally higher in the lower latitudes closer to the equator. This is due to factors such as climate stability, higher solar energy input, and longer growing seasons. Statement 2 is referring to the altitudinal gradient of biodiversity, which states that biodiversity is generally higher in the lower altitudes of mountains. This is because lower altitudes have more diverse habitats, milder climates, and more available resources compared to higher altitudes.

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  • 4. 

    The most important fishing grounds of the world are found in the regions where

    • Warm and cold atmospheric currents meet

    • Rivers drain out large amounts of fresh water into the sea

    • Warm and cold oceanic currents meet

    • Continental shelf is undulating

    Correct Answer
    A. Warm and cold oceanic currents meet
    Explanation
    The most important fishing grounds of the world are found in the regions where warm and cold oceanic currents meet. This is because the meeting point of these currents creates a unique environment that is rich in nutrients. The warm current brings nutrients from the equator, while the cold current brings nutrients from the poles. The mixing of these nutrients creates a highly productive area for marine life, attracting a wide variety of fish and other organisms. As a result, these regions become ideal fishing grounds for commercial and recreational purposes.

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  • 5. 

    Which of the following is/are unique characteristic/characteristics of equatorial forests? 1. Presence of tall, closely set trees with crowns forming a continuous canopy 2. Coexistence of a large number of species 3. Presence of numerous varieties of epiphytes Select the correct answer using the code given below:

    • 1 only

    • 2 and 3 only

    • 1 and 3 only

    • 1, 2 and 3

    Correct Answer
    A. 1, 2 and 3
    Explanation
    Equatorial forests are known for their unique characteristics. Firstly, they have tall, closely set trees with crowns that form a continuous canopy. This dense canopy allows little sunlight to reach the forest floor, creating a shaded and humid environment. Secondly, equatorial forests are known for the coexistence of a large number of species. The high biodiversity in these forests is a result of the stable climate and abundant resources. Finally, equatorial forests also have numerous varieties of epiphytes, which are plants that grow on other plants for support but do not derive nutrients from them. These unique characteristics make equatorial forests one of the most diverse and productive ecosystems on Earth.

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  • 6. 

    Which one among the following industries is the maximum consumer of water in India?

    • Engineering

    • Paper and pulp

    • Textiles

    • Thermal power

    Correct Answer
    A. Thermal power
    Explanation
    Thermal power is the maximum consumer of water in India because it requires large amounts of water for cooling purposes in the power generation process. This industry relies on water to cool down the steam that is used to drive turbines and generate electricity. The water is often drawn from nearby rivers, lakes, or other water bodies, leading to significant water consumption. Additionally, the water used in the cooling process is often discharged back into the environment at higher temperatures, which can have negative impacts on aquatic ecosystems.

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  • 7. 

    A particular State in India has the following characteristics: 1. It is located on the same latitude which passes through northern Rajasthan. 2. It has over 80% of its area under forest cover. 3. Over 12% of forest cover constitutes Protected Areas Network in this State. Which one among the following States has all the above characteristics?

    • Arunachal Pradesh

    • Assam

    • Himachal Pradesh

    • Uttarakhand

    Correct Answer
    A. Arunachal Pradesh
    Explanation
    Arunachal Pradesh is the correct answer because it is located on the same latitude as northern Rajasthan. It also has over 80% of its area under forest cover, indicating a significant amount of forested land. Additionally, over 12% of the forest cover in Arunachal Pradesh is designated as a Protected Areas Network, highlighting the state's efforts to conserve its natural resources.

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  • 8. 

    A state in India has the following characteristics: 1. Its northern part is arid and semiarid. 2. Its central part produces cotton. 3. Cultivation of cash crops is predominant over food crops. Which one of the following states has all of the above characteristics?

    • Andhra Pradesh

    • Gujarat

    • Karnataka

    • Tamil Nadu

    Correct Answer
    A. Gujarat
    Explanation
    Gujarat is the correct answer because it meets all the given characteristics. The northern part of Gujarat is arid and semiarid, the central part of the state is known for cotton production, and cultivation of cash crops is predominant over food crops in Gujarat.

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  • 9. 

    Consider the following crops 1. Cotton             2. Groundnut     3. Rice             4. Wheat              Which of these are Kharif crops?

    • 1 and 4

    • 2 and 3 only

    • 1, 2 and 3

    • 2, 3 and 4

    Correct Answer
    A. 1, 2 and 3
    Explanation
    Cotton, Groundnut, and Rice are considered as Kharif crops. Kharif crops are sown in the rainy season and harvested in the winter season. Cotton, Groundnut, and Rice are typically grown during the monsoon months and require a good amount of rainfall for their growth. Wheat, on the other hand, is a Rabi crop which is sown in winter and harvested in summer. Therefore, the correct answer is 1, 2, and 3.

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  • 10. 

    Consider the following factors: 1. Rotation of the Earth 2. Air pressure and wind 3. Density of ocean water 4. Revolution of the Earth Which of the above factors influence the ocean currents?

    • 1 and 2 only

    • 1, 2 and 3

    • 1 and 4

    • 2, 3 and 4

    Correct Answer
    A. 1, 2 and 3
    Explanation
    The rotation of the Earth influences ocean currents through the Coriolis effect, which causes the currents to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. Air pressure and wind also play a role in the formation and movement of ocean currents. Differences in air pressure cause winds to blow, which in turn generate surface currents. The density of ocean water affects the sinking and rising of water, which can influence the movement of currents. Therefore, factors 1, 2, and 3 all influence ocean currents.

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  • 11. 

    Which one of the following is the characteristic climate of the Tropical Savannah Region?

    • Rainfall throughout the year

    • Rainfall in winter only

    • An extremely short dry season

    • A definite dry and wet season

    Correct Answer
    A. A definite dry and wet season
    Explanation
    The characteristic climate of the Tropical Savannah Region is a definite dry and wet season. This means that there are distinct periods of rainfall and dryness throughout the year. This type of climate is common in regions near the equator, where there is a combination of high temperatures and a monsoon-like weather pattern. During the wet season, there is heavy rainfall, while the dry season is characterized by little to no rainfall. This climate pattern has a significant impact on the vegetation and wildlife found in the Tropical Savannah Region.

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  • 12. 

    Among the following States, which one has the most suitable climatic conditions for the cultivation of a large variety of orchids with minimum cost of production, and can develop an export oriented industry in this field?

    • Andhra Pradesh

    • Arunachal Pradesh

    • Madhya Pradesh

    • Uttar Pradesh

    Correct Answer
    A. Arunachal Pradesh
    Explanation
    Arunachal Pradesh has the most suitable climatic conditions for the cultivation of a large variety of orchids with minimum cost of production. This state is located in the northeastern part of India, which has a cool and humid climate, ideal for orchid cultivation. The state is known for its diverse flora and fauna, including a wide range of orchid species. The favorable climate, along with the availability of suitable land and resources, makes Arunachal Pradesh an ideal location for developing an export-oriented industry in orchid cultivation.

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  • 13. 

    What is the difference between asteroids and comets? 1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material. 2. Asteroids are found mostly between the _ orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury. 3. Comets show a perceptible glowing tail, while asteroids do not. Which of the statements given above is/ are correct?

    • 1 and 2 only

    • 1 and 3 only

    • 3 only

    • 1, 2 and 3

    Correct Answer
    A. 1 and 3 only
    Explanation
    Statement 1 is correct because asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material. Statement 3 is also correct because comets show a perceptible glowing tail, while asteroids do not.

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  • 14. 

    The Brahmaputra, Irrawaddy and Mekong rivers originate in Tibet and flow it through narrow and parallel mountain ranges in their upper reaches. Of these rivers, Brahmaputra makes a "U" turn in its course to flow into India. This "U" turn is due to

    • Uplift of folded Himalayan series

    • Syntaxial bending of geologically young Himalayas

    • Geo-tectonic disturbance in the tertiary folded mountain chains

    • Both (a) and (b) above

    Correct Answer
    A. Both (a) and (b) above
    Explanation
    The "U" turn in the course of the Brahmaputra river is due to both the uplift of folded Himalayan series and the syntaxial bending of geologically young Himalayas. The uplift of folded Himalayan series refers to the tectonic forces that have caused the Himalayan mountain range to rise, creating a barrier that forces the river to change its direction. The syntaxial bending of geologically young Himalayas refers to the bending and folding of the mountains in the region, which further influences the course of the river. Both of these factors contribute to the "U" turn in the Brahmaputra's course.

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  • 15. 

    Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of Salinization on the irrigated land?

    • It greatly increases the crop production

    • It makes some soils impermeable

    • It raises the water table

    • It fills the air spaces in the soil with water

    Correct Answer
    A. It makes some soils impermeable
    Explanation
    Salinization can make some soils impermeable. When irrigation water evaporates, it leaves behind salts and minerals in the soil. These accumulated salts can build up over time and create a high salt concentration in the soil. This high salt concentration can cause the soil particles to bind together, forming a crust or layer that is impermeable to water and air. This impermeability can prevent proper drainage and hinder the movement of water and nutrients through the soil, negatively impacting plant growth and crop production.

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  • 16. 

    On the planet earth, most of the freshwater exists as ice caps and glaciers. Out of the remaining freshwater, the largest proportion

    • Is found in atmosphere as moisture and clouds

    • Is found in freshwater lakes and rivers

    • Exists as groundwater

    • Exists as soil moisture

    Correct Answer
    A. Exists as groundwater
    Explanation
    Groundwater is the correct answer because it refers to the water that is stored beneath the Earth's surface in aquifers. These aquifers are typically made up of porous rock or soil that can hold and transmit water. Groundwater is a significant source of freshwater as it accounts for a large proportion of the Earth's total freshwater reserves. It is accessed through wells and can be used for various purposes such as drinking water, irrigation, and industrial processes.

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  • 17. 

    Which of the following is the chief characteristic of ‘mixed farming’?

    • Cultivation of both cash crops and food crops

    • Cultivation of two or more crops in the same field

    • Rearing of animals and cultivation of crops together

    • None of the above

    Correct Answer
    A. Rearing of animals and cultivation of crops together
    Explanation
    Mixed farming is characterized by the rearing of animals and cultivation of crops together. This type of farming involves the integration of crop production and livestock production on the same farm. It allows for a diversified and balanced agricultural system, where the waste products from one enterprise can be used as inputs for another. This not only maximizes the use of resources but also provides multiple sources of income for the farmer.

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  • 18. 

    Southeast Asia has captivated the attention. of global community' over space and time as a geostrategically significant region. Which among the following is the most convincing explanation for this global perspective?

    • It was the hot theatre during the Second World War

    • Its location between the Asian powers of China and India

    • It was the arena of superpower confrontation during the Cold War period

    • Its location between the Pacific and Indian oceans and its pre-eminent maritime character

    Correct Answer
    A. Its location between the Pacific and Indian oceans and its pre-eminent maritime character
    Explanation
    Southeast Asia's location between the Pacific and Indian oceans, along with its pre-eminent maritime character, is the most convincing explanation for its global perspective. This region's strategic position allows for easy access to major shipping routes and trade networks, making it a significant hub for international trade and commerce. Additionally, its maritime character has played a crucial role in shaping its history, as it has been a center of maritime trade and cultural exchange for centuries. This combination of geographical location and maritime significance has made Southeast Asia a focal point for global attention.

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  • 19. 

    Which of the following statements regarding laterite soils of India are correct? 1. They are generally red in colour. 2. They are rich In nitrogen and potash. 3. They are well-developed in Rajasthan and UP. 4. Tapioca and cashew nuts grow well on these soils. Select the correct answer using the codes given below.

    • 1, 2 and 3

    • 2, 3 and 4

    • 1 and 4

    • 2 and 3 only

    Correct Answer
    A. 1 and 4
    Explanation
    Laterite soils in India are generally red in color due to the presence of iron oxides. This is mentioned in statement 1. Statement 2 is incorrect as laterite soils are generally poor in nitrogen and potash. Statement 3 is incorrect as laterite soils are well-developed in Kerala, Karnataka, Tamil Nadu, and parts of Maharashtra, and not in Rajasthan and UP. Statement 4 is correct as tapioca and cashew nuts are crops that can grow well in laterite soils. Therefore, the correct answer is 1 and 4.

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  • 20. 

    Electrically charged particles from space travelling at speeds several hundred km/sec can severely harm living beings if they reach the surface of the Earth. What prevents them from reaching the surface of the Earth?

    • The Earth’s magnetic field diverts them towards its poles

    • Ozone layer around the Earth reflects them back to outer space

    • Moisture in the upper layers of atmosphere prevents them from reaching the surface of the Earth

    • None of the statements (a), (b) and (c) given above is correct

    Correct Answer
    A. The Earth’s magnetic field diverts them towards its poles
    Explanation
    The Earth's magnetic field acts as a protective shield against electrically charged particles from space. These particles, also known as solar wind, are deflected towards the Earth's poles due to the magnetic field. This prevents them from reaching the surface of the Earth and causing harm to living beings. The magnetic field guides the charged particles along the field lines, creating the beautiful auroras at the poles. The other options, such as the ozone layer and moisture in the upper atmosphere, are not directly related to diverting charged particles and therefore are not correct explanations.

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  • 21. 

    Normally, the temperature decreases with the increase in height from the Earth's surface, because 1. the atmosphere can be heated upwards only from the Earth's surface 2. there is more moisture in the upper atmosphere 3. the air is less dense in the upper atmosphere Select the correct answer using the codes given below:

    • 1 only

    • 2 and 3 only

    • 1 and 3 only

    • 1, 2 and 3

    Correct Answer
    A. 1 and 3 only
    Explanation
    The temperature decreases with the increase in height from the Earth's surface because the atmosphere can be heated upwards only from the Earth's surface and the air is less dense in the upper atmosphere. As the heat from the Earth's surface rises, it becomes less concentrated and spreads out in the less dense upper atmosphere, causing the temperature to decrease. Additionally, the air in the upper atmosphere is less dense, meaning there are fewer air molecules to absorb and retain heat, resulting in a decrease in temperature.

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  • 22. 

    Two important rivers - one with its source in Jharkhand (and known by a different name in Odisha), and another, with its source in Odisha - merge at a place only a short distance from the coast of Bay of Bengal before flowing into the sea. This is an important site of wildlife and biodiversity and a protected area. Which one of the following could be this?

    • Bhitarkanika

    • Chandipur-on-sea

    • Gopalpur-on-sea

    • Simlipal

    Correct Answer
    A. Bhitarkanika
    Explanation
    Bhitarkanika is the correct answer because it is a site located in Odisha where two important rivers merge before flowing into the Bay of Bengal. One of the rivers originates in Jharkhand and is known by a different name in Odisha. Bhitarkanika is also known for its rich wildlife and biodiversity, making it a protected area.

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  • 23. 

    Which one of the following pairs is correctly matched? Geographical  :  Region Feature

    • Abyssinian Plateau : Arabia

    • Atlas Mountains : North-Western Africa

    • Guiana Highlands : South-Western Africa

    • Okavango Basin : Patagonia

    Correct Answer
    A. Atlas Mountains : North-Western Africa
    Explanation
    The correct answer is Atlas Mountains: North-Western Africa. The Atlas Mountains are located in North-Western Africa, spanning through Morocco, Algeria, and Tunisia. They are the longest mountain range in Africa and are known for their rugged peaks, deep valleys, and diverse flora and fauna.

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  • 24. 

    The annual range of temperature in the interior of the continents is high as compared to coastal areas. What is / are the reason / reasons? 1. Thermal difference between land and water 2. Variation in altitude between continents and oceans 3. Presence of strong winds in the interior 4. Heavy rains in the interior as compared to coasts Select the correct answer using the codes given below.

    • 1 only

    • 1 and 2 only

    • 2 and 3 only

    • 1, 2, 3 and 4

    Correct Answer
    A. 1 only
    Explanation
    The annual range of temperature in the interior of the continents is high as compared to coastal areas because of the thermal difference between land and water. Land heats up and cools down more quickly than water, leading to greater temperature fluctuations in the interior.

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  • 25. 

    Consider the following statements: 1. Natural gas occurs in the Gondwana beds.             2. Mica occurs in abundance in Kodarma.                     3. Dharwars are famous for petroleum. Which of the statements given above is/are correct?

    • 1 and 2

    • 2 only

    • 2 and 3

    • None

    Correct Answer
    A. 1 and 2
    Explanation
    The correct answer is 1 and 2 because statement 1 states that natural gas occurs in the Gondwana beds, which is true. Statement 2 states that mica occurs in abundance in Kodarma, which is also true. However, statement 3 is incorrect as Dharwars are not famous for petroleum. Therefore, the correct answer is 1 and 2.

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  • 26. 

    With reference to the usefulness of the by-products of sugar industry, which of the following statements is / are correct? 1. Bagasse can be used as biomass fuel for the generation of energy. 2. Molasses can be used as one of the feed stocks for the production of synthetic chemical fertilizers. 3. Molasses can be used for the production of ethanol. Select the correct answer using the codes given below.

    • 1 only

    • 2 and 3 only

    • 1 and 3 only

    • 1, 2 and 3

    Correct Answer
    A. 1, 2 and 3
    Explanation
    Bagasse, the fibrous residue left after extracting juice from sugarcane, can indeed be used as biomass fuel for energy generation. Molasses, a by-product of sugar production, can be used as a feedstock for the production of synthetic chemical fertilizers. Additionally, molasses can also be used for the production of ethanol. Therefore, all three statements are correct.

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  • 27. 

    Westerlies in southern hemisphere are stronger and persistent than in northern hemisphere. Why? 1. Southern hemisphere has less landmass as compared to northern hemisphere 2. Coriolis force is higher in southern hemisphere, as compared to northern hemisphere Which of the statements given above is/are correct?

    • 1 only

    • 2 only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. 1 only
    Explanation
    The correct answer is 1 only. This is because the southern hemisphere has less landmass compared to the northern hemisphere. The presence of more landmass in the northern hemisphere disrupts the flow of the westerlies, making them weaker and less persistent. Additionally, the Coriolis force, which influences the direction of winds, is not mentioned as a reason for the stronger and persistent westerlies in the southern hemisphere.

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  • 28. 

    The lower Gangetic plain is characterised by humid climate with high temperature throughout the year. Which one among the following pairs of crops is most suitable for this region?

    • Paddy and cotton

    • Wheat and Jute

    • Paddy and Jute

    • Wheat and cotton

    Correct Answer
    A. Paddy and Jute
    Explanation
    The lower Gangetic plain has a humid climate with high temperatures throughout the year. Paddy and Jute are the most suitable crops for this region because they thrive in such conditions. Paddy, also known as rice, requires a lot of water and grows well in wet and humid environments. Jute, on the other hand, is a fiber crop that is known for its tolerance to high temperatures and humidity. Therefore, Paddy and Jute are the best crops to cultivate in the lower Gangetic plain.

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  • 29. 

    Consider the following pairs:                   Tribe                      State 1. Limboo (Limbu) :    Sikkim 2. Karbi :                       Himachal Pradesh 3. Dongaria :               Odisha 4. Bonda :                    Tamil Nadu Which of the above pairs are correctly matched?

    • 1 and 3 only

    • 2 and 4 only

    • 1, 3 and 4 only

    • 1, 2, 3 and 4

    Correct Answer
    A. 1 and 3 only
    Explanation
    The correct answer is 1 and 3 only. This is because Limboo (Limbu) tribe is indeed found in Sikkim, and Dongaria tribe is found in Odisha. However, Karbi tribe is not found in Himachal Pradesh, and Bonda tribe is not found in Tamil Nadu. Therefore, pairs 2 and 4 are not correctly matched.

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  • 30. 

    With reference to the wetlands of India, consider the following statements: 1. The country's total geographical area under the category of wetlands is recorded more in Gujarat as compared to other States. 2. In India, the total geographical area of coastal wetlands is larger than that of inland wetlands. Which of the statements given above is / are correct?

    • 1 only

    • 2 only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 and 2
    Explanation
    Both statements 1 and 2 are correct. Statement 1 states that the total geographical area under the category of wetlands is recorded more in Gujarat compared to other states in India. Statement 2 states that the total geographical area of coastal wetlands in India is larger than that of inland wetlands. Therefore, both statements are true.

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  • 31. 

    What could be the main reasons for the formation of African and Eurasian desert belt? 1. It is located in the sub-tropical high pressure cells. 2. It is under the influence of warm ocean currents.  Which of the statements given above is/are correct in this context?

    • 1 only

    • 2 only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. 1 only
    Explanation
    The main reason for the formation of the African and Eurasian desert belt is that it is located in the sub-tropical high pressure cells. These high pressure cells create stable atmospheric conditions that inhibit the formation of clouds and precipitation, leading to arid desert conditions. The influence of warm ocean currents, as stated in statement 2, is not a significant factor in the formation of this desert belt.

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  • 32. 

    Between India and East Asia, the navigation time and distance can be greatly reduced by which of the following? 1. Deepening the Malacca straits between Malaysia and Indonesia. 2. Opening a new canal across the Kra isthmus between the Gulf of Siam and Andaman Sea. Which of the statements given above is/are correct?

    • 1 only

    • 2 only

    • Both I and 2

    • Neither I nor 2

    Correct Answer
    A. 2 only
    Explanation
    Opening a new canal across the Kra isthmus between the Gulf of Siam and Andaman Sea can greatly reduce the navigation time and distance between India and East Asia. Deepening the Malacca straits between Malaysia and Indonesia is not mentioned as a method to reduce navigation time and distance. Therefore, the correct answer is 2 only.

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  • 33. 

    Consider the following: 1. Electromagnetic radiation 2. Geothermal energy 3. Gravitational force 4. Plate movements 5. Rotation of the earth 6. Revolution of the earth Which of the above are responsible for bringing dynamic changes on the surface of the earth?

    • 1, 2, 3 and 4 only

    • 1, 3, 5 and 6 only

    • 2, 4, 5 and 6 only

    • 1, 2, 3, 4, 5 and 6

    Correct Answer
    A. 1, 2, 3, 4, 5 and 6
    Explanation
    All of the options listed (1, 2, 3, 4, 5, and 6) are responsible for bringing dynamic changes on the surface of the earth. Electromagnetic radiation from the sun drives weather patterns and climate changes. Geothermal energy causes volcanic activity and geysers. Gravitational force influences tides and erosion. Plate movements result in earthquakes and the formation of mountains. The rotation of the earth causes day and night, while the revolution of the earth around the sun leads to the changing of seasons. Therefore, all of these factors contribute to dynamic changes on the earth's surface.

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  • 34. 

    During a thunderstorm, the thunder in the skies is produced by the 1. meeting of cumulonimbus clouds in the sky 2. lightning that separates the nimbus clouds 3. violent upward movement of air and water particles Select the correct answer using the codes given below.

    • 1 only

    • 2 and 3

    • 1 and 3

    • None of the above produces the thunder

    Correct Answer
    A. 1 and 3
    Explanation
    During a thunderstorm, the thunder in the skies is produced by the meeting of cumulonimbus clouds in the sky and the violent upward movement of air and water particles. The collision of these clouds creates friction, which generates electrical charges and leads to the formation of lightning. The lightning, in turn, causes the surrounding air to rapidly expand and contract, producing the sound waves we perceive as thunder. Therefore, both the meeting of cumulonimbus clouds and the violent upward movement of air and water particles contribute to the production of thunder during a thunderstorm.

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  • 35. 

    "Climate is extreme, rainfall is scanty and the people used to be nomadic herders." The above statement best describes which of the following regions?

    • African Savannah

    • Central Asian Steppe

    • North American Prairie

    • Siberian Tundra

    Correct Answer
    A. Central Asian Steppe
    Explanation
    The statement describes a region with extreme climate, scarce rainfall, and a history of nomadic herders. The Central Asian Steppe fits this description as it is characterized by a harsh climate, limited precipitation, and a long tradition of nomadic pastoralism. The African Savannah, North American Prairie, and Siberian Tundra do not necessarily have the same combination of extreme climate, scanty rainfall, and nomadic herders as the Central Asian Steppe.

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  • 36. 

    Consider the following crops of India: 1. Cowpea 2. Green gram 3. Pigeon pea Which of the above is/are used as pulse, fodder and green manure?

    • 1 and 2 only

    • 2 only

    • 1 and 3 only

    • 1, 2 and 3

    Correct Answer
    A. 1, 2 and 3
    Explanation
    Cowpea, green gram, and pigeon pea are all crops that are used as pulse, fodder, and green manure. These crops are commonly grown in India and have multiple uses. As pulses, they provide a good source of protein in the diet. As fodder, they can be fed to livestock as a source of nutrition. And as green manure, they enrich the soil with nutrients when plowed under, improving soil fertility and structure. Therefore, all three crops fulfill the criteria of being used as pulse, fodder, and green manure.

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  • 37. 

    The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs

    • The water vapour of the air and retains its heat

    • The ultraviolet part of the solar radiation

    • All the solar radiations

    • The infrared part of the solar radiation

    Correct Answer
    A. The infrared part of the solar radiation
    Explanation
    The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere because it absorbs the infrared part of the solar radiation. Carbon dioxide is a greenhouse gas that acts as a blanket in the atmosphere, trapping heat and causing a warming effect. When sunlight reaches the Earth's surface, it is absorbed and re-emitted as infrared radiation. The presence of carbon dioxide in the atmosphere allows it to absorb and trap this infrared radiation, preventing it from escaping into space and leading to a gradual increase in temperature.

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  • 38. 

    If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because

    • The soil of rain forest is deficient in nutrients

    • Propagules of the trees in a rain forest have poor viability

    • The rain forest species are slow- growing

    • Exotic species invade the fertile soil of rain forest

    Correct Answer
    A. The soil of rain forest is deficient in nutrients
    Explanation
    The correct answer is that the soil of a rainforest is deficient in nutrients. This is because rainforests have a high rate of decomposition, meaning that nutrients are quickly recycled and taken up by plants. When the forest is removed, these nutrients are no longer being replenished, resulting in a nutrient-poor soil that is not conducive to rapid regeneration.

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  • 39. 

    Variations in the length of daytime and nighttime from season to season are due to

    • The earth's rotation on its axis

    • The earth's revolution round the sun in an elliptical manner

    • Latitudinal position of the place

    • Revolution of the earth on a tilted axis

    Correct Answer
    A. Revolution of the earth on a tilted axis
    Explanation
    The correct answer is the revolution of the earth on a tilted axis. The Earth's axis is tilted at an angle of about 23.5 degrees relative to its orbit around the sun. This tilt causes different parts of the Earth to receive varying amounts of sunlight throughout the year, resulting in variations in the length of daytime and nighttime. During one part of the Earth's orbit, the Northern Hemisphere is tilted towards the sun, leading to longer days and shorter nights. In another part of the orbit, the Northern Hemisphere is tilted away from the sun, resulting in shorter days and longer nights. This phenomenon is responsible for the changing seasons.

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  • 40. 

    Consider the following pairs: 1. Nokrek Bio-sphere Reserve : Garo Hills 2. Logtak (Loktak) Lake : Barail Range 3. Namdapha National Park : Dafla Hills Which of the above pairs is/are correctly matched?

    • 1 only

    • 2 and 3 only

    • 1, 2 and 3

    • None

    Correct Answer
    A. 1, 2 and 3
    Explanation
    The given answer, 1, 2 and 3, is correct. All three pairs are correctly matched. Nokrek Bio-sphere Reserve is indeed located in the Garo Hills. Logtak (Loktak) Lake is situated in the Barail Range. Namdapha National Park is found in the Dafla Hills. Therefore, all three pairs are correctly matched.

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  • 41. 

    Which of the following is / are the characteristic/ characteristics of Indian coal? 1. High ash content 2. Low sulphur content 3.  Low ash fusion temperature Select the correct answer using the codes given below.

    • 1 and 2 only

    • 2 only

    • 1 and 3 only

    • 1, 2 and 3

    Correct Answer
    A. 1 and 2 only
    Explanation
    Indian coal is characterized by high ash content and low sulphur content. Ash content refers to the mineral content in coal, and Indian coal is known to have a high ash content. Sulphur content, on the other hand, refers to the amount of sulphur present in coal. Indian coal has a low sulphur content, making it less polluting compared to coals with higher sulphur content. The given answer, 1 and 2 only, correctly identifies the characteristic features of Indian coal.

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  • 42. 

    A layer in the Earth’s atmosphere called Ionosphere facilitates radio communication. Why? 1. The presence of ozone 'causes the, reflection of radio waves to Earth. 2. Radio waves have a very long wavelength which of the statements given above is/are correct.

    • 1 Only

    • 2 only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 and 2
    Explanation
    Both statement 1 and statement 2 are correct. The presence of ozone in the ionosphere causes the reflection of radio waves back to Earth, allowing for radio communication. Additionally, radio waves have a very long wavelength, which enables them to interact with the ionosphere and be reflected back.

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  • 43. 

    Which of the following is/are by the scientists as evidences for the continued expansion of universe? 1. Detection of microwave space 2. Observation of redshift phenomenon in space 3. Movement of asteroids in 4. Occurrence of sup explosions in space Select the correct answer use codes given below:

    • 1 and 2

    • 2 only

    • 1, 3 and 4

    • None of the above can as evidence

    Correct Answer
    A. 2 only
  • 44. 

    A person, stood alone in a desert on a dark night and wanted to reach his village which was situated 5 km east of the point where he was standing. He had no instruments to find the direction but he located the polestar. The most convenient way now to reach his village is to walk in the

    • Direction facing the polestar

    • Direction opposite to the polestar

    • Direction keeping the polestar

    • Direction keeping the polestar to his right

    Correct Answer
    A. Direction keeping the polestar
    Explanation
    By locating the polestar, the person can determine the direction of the North. Since his village is situated 5 km east of his current location, he needs to walk in the direction facing the polestar. This means that he needs to walk in the direction of the North, which will eventually lead him to his village.

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  • 45. 

    Consider the following agricultural practices: 1. Contour bunding 2. Relay cropping 3. Zero tillage In the context of global climate change, which of the above helps/help in carbon sequestration/storage in the soil?

    • 1 and 2 only

    • 3 only

    • 1, 2 and 3

    • None of them

    Correct Answer
    A. 3 only
    Explanation
    Contour bunding, relay cropping, and zero tillage all contribute to carbon sequestration/storage in the soil. Contour bunding involves creating small ridges along the contour lines of the land, which helps to slow down water runoff and prevent soil erosion. This allows organic matter to accumulate and promotes carbon storage in the soil. Relay cropping involves growing two or more crops in the same field at different times, which increases the duration of plant growth and carbon uptake. Zero tillage refers to the practice of planting crops without disturbing the soil through plowing or tilling, which helps to preserve soil organic matter and promote carbon sequestration.

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  • 46. 

    Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when: 1. The orbit is geosynchronous. 2. The orbit is circular. 3. The orbit lies in the plane of the Earth's equator. 4. The orbit is at an altitude of 22,236 km. Select the correct answer using the codes given below:

    • 1, 2 and 3 only

    • 1, 3 and 4 only

    • 2 and 4 Only

    • 1, 2, 3 and 4

    Correct Answer
    A. 1, 2 and 3 only
    Explanation
    A geostationary orbit is an orbit in which a satellite appears to be stationary relative to a specific point on Earth's surface. This requires the orbit to be geosynchronous (1), meaning the satellite takes the same amount of time to complete one orbit as the Earth takes to rotate once on its axis. The orbit also needs to be circular (2) to maintain a constant distance from the Earth. Additionally, the orbit must lie in the plane of the Earth's equator (3) to remain stationary relative to a fixed point on the ground. Therefore, the correct answer is 1, 2, and 3 only.

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  • 47. 

    The Narmada river flows to the west, while most other large peninsular rivers flow to the east. Why? 1. It occupies a linear rift valley. 2. It flows between the Vindhyas and the Satpuras. 3. The land slopes to the west from Central India. Select the correct answer using the codes given below.

    • 1 only

    • 2 and 3

    • 1 and 3

    • None

    Correct Answer
    A. 1 only
    Explanation
    The correct answer is 1 only. The Narmada river flows to the west because it occupies a linear rift valley. A rift valley is a lowland region that is formed by the sinking of the Earth's crust between two parallel faults or fractures. In the case of the Narmada river, it flows through a linear rift valley that was created by tectonic activity. This geological feature causes the river to flow in a westward direction, unlike most other large peninsular rivers in India that flow to the east.

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  • 48. 

    An artificial satellite orbiting around the Earth does not fall down. This is so because the attraction of Earth

    • Does not exist at such distance

    • Is neutralized by the attraction of the moon

    • Provides the necessary speed for its steady motion

    • Provides the necessary acceleration for its motion

    Correct Answer
    A. Provides the necessary speed for its steady motion
    Explanation
    An artificial satellite orbiting around the Earth does not fall down because it is moving at a sufficient speed to counteract the force of gravity pulling it towards the Earth. This speed provides the necessary centrifugal force to keep the satellite in a stable orbit, allowing it to continuously move around the Earth without falling towards it.

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  • 49. 

    Contour bunding is a method of soil conservation used in

    • Desert margins, liable to strong wind action

    • Low flat plains, close to stream courses, liable to flooding

    • Scrublands, liable to spread of weed growth

    • None of the above

    Correct Answer
    A. None of the above
    Explanation
    The given question does not provide any specific options for the correct answer. Therefore, it is not possible to provide an explanation for the correct answer.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 11, 2014
    Quiz Created by
    Tanmay Shankar
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