GS: Hindi / English · Language questions stay in their original language.
120 questions · 120 marks · 2 hours
Choose one option per question.
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Correct answer: (D) More than one of the above
Laccoliths, batholiths and dykes all form as magma solidifies within the crust, so all three are intrusive igneous formations.
Correct answer: (B) 24·5%
By the Forest Survey of India Report 2021 the forest and tree cover together come to about 24·5% of the country's area.
Correct answer: (A) Biotic community
A forest holds animals and microbes besides plants, so it is not merely a plant community but a biotic one.
Correct answer: (C) Habitat destruction
The major reason a species dies out is the destruction of its habitat, which takes away the whole basis of the population.
Correct answer: (C) Estuaries
Mangrove forests are found in estuaries, where salt water meets fresh and the mud collects.
Correct answer: (A) Atlantic Ocean
Zero latitude and zero longitude meet in the Atlantic Ocean, near the Gulf of Guinea.
Correct answer: (D) More than one of the above
The Earth's inner core is of iron and nickel and is solid under the enormous pressure—more than one statement holds.
Correct answer: (D) More than one of the above
Volcanic mountains, faults and folds, and trenches are all formed by tectonic movement, so the answer is ‘more than one’.
Correct answer: (B) The functional role of an organism in the ecosystem
The ecological niche is the functional role of an organism in the ecosystem—what it eats, where it lives and what it affects.
Correct answer: (A) Does not heat the atmosphere
Energy reflected by the atmosphere is not absorbed, so it does not heat the atmosphere.
Correct answer: (C) Its ability to reflect solar radiation
The albedo of a surface is its ability to reflect solar radiation—snow has the highest.
Correct answer: (D) More than one of the above
A rise in global temperature brings more frequent heat waves, melts the polar ice and raises the sea level, so the answer is ‘more than one’.
Correct answer: (A) Eye
The calm, low-pressure centre of a tropical cyclone is called the eye.
Correct answer: (D) More than one of the above
Soil fertility, wildlife and forests can all be renewed, so all three are renewable resources.
Correct answer: (C) Soil
Soil is used in common, like the village commons, which is why it is taken as the commonality resource; uranium is a controlled mineral.
Correct answer: (C) It has a diverse range of crops
The equatorial region is warm and wet all the year, so a great diversity of crops is grown there.
Correct answer: (A) Advanced agricultural technology
Wheat output in the United States is high because of advanced agricultural technology—large fields worked by machine.
Correct answer: (A) China
China was the largest producer of cotton in 2022.
Correct answer: (D) More than one of the above
Cotton, sugarcane and tea all need a tropical or subtropical climate to grow well, so the answer is ‘more than one’.
Correct answer: (B) India
India was the largest producer of milk in the world in 2022.