1
UPSC Civil Service Prelims Paper II 2024 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language

Read the following passages and answer the items that follow the passages. Your answers to these items should be based on the passages only.

When an international team of scientists pumped a carbon dioxide and water mix into underground basalt rocks, basic chemistry took over. The acidic mixture dissolved rocks’ calcium and magnesium and formed limestone. Basically carbon dioxide is converted into stone, exclaimed the scientists.

Which one of the following statements best reflects the most logical, rational and practical suggestion implied by the passage?

A

It is a cheap and practical method to produce limestone at commercial level for building purposes.

B

This can be used as one of the methods of carbon sequestration.

C

Basalt rock can be made a good source of calcium and magnesium minerals by this method.

D

Good rock-dissolving acid can be produced by mixing carbon dioxide and water.

2
UPSC Civil Service Prelims Paper II 2024 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language

Read the following passages and answer the items that follow the passages. Your answers to these items should be based on the passages only.

Geographers analyzed 175 satellite images of ocean colour, which is an indicator of phytoplankton productivity at the ocean’s surface, and found that giant icebergs are responsible for storing up to 20 percent of carbon in the Southern Ocean. The researchers discovered that melting water from giant icebergs which contains iron and other nutrients, supports hitherto unexpectedly high levels of phytoplankton growth.

Based on the above passage, the following assumptions have been made:

1. Giant icebergs have a bearing on primary productivity and food chains of the Southern Ocean.

2. Melting of giant icebergs can produce climate change effects and impact world fisheries.

Which of the assumptions given above is/are valid?

A

1 only

B

2 only

C

Both 1 and 2

D

Neither 1 nor 2

3
UPSC Civil Service Prelims Paper II 2024 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language

Read the following passages and answer the items that follow the passages. Your answers to these items should be based on the passages only.

Evolution has endowed caterpillars that feed on corn with a unique ability, they can induce the plant to turn off its defence against insect predators. This helps caterpillars to eat more and grow faster. The agent that causes this effect is the caterpillar's faeces or frass. The find could throw new light on compounds associated with plant response to pathogens like fungi or bacteria.

Which one of the following statements best reflects the most logical, rational and practical message conveyed by the passage?

A

Farmers can use caterpillars to feed on weeds in their crop fields/plantations.

B

This finding can help in the development of clinically useful antimicrobial compounds.

C

This finding can help in the development of organic, ecologically sustainable pesticides.

D

Caterpillars can be genetically modified to be predators of other plant pests.

4
UPSC Civil Service Prelims Paper II 2024 (CSAT)
MCQ (Single Correct Answer)
+2.5
-0.833
Change Language

Read the following passages and answer the items that follow the passages. Your answers to these items should be based on the passages only.

Green growth involves rethinking growth strategies with regard to the impacts on environmental sustainability and the environmental resources available to poor and vulnerable groups. In rethinking growth, we need to focus on the current reality of a resource-constrained world. Resource intensive and, in particular energy intensive processes will need to make way for more efficient and resource frugal development strategies if we are to avoid an economic dead

Which one of the following statements best reflects the crux of the above passage?

A

Environmental sustainability is inimical to our objective of achieving a high rate of GDP growth.

B

Poverty eradication is not possible without a rapid economic growth and the consequent environmental degradation.

C

Maintaining high environmental standards is now a prerequisite for achieving a steady, sufficient and inclusive growth.

D

With large populations, rampant poverty and limited resources of today's world, environmental degradation cannot be prevented and inequalities are inevitable.

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