1
UPSC Civil Service Prelims Paper I 2023 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

Consider the following statements:

Statement-I: The soil in tropical rainforests is rich in nutrients.

Statement-II: The high temperature and moisture of tropical rain forests cause dead organic matter in the soil to decompose quickly.

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 Statement-II is correct
2
UPSC Civil Service Prelims Paper I 2023 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

With reference to coal-based thermal power plants in India, consider the following statements:

1. None of them uses seawater.

2. None of them is set up in a water-stressed district.

3. None of them is privately owned.

How many of the above statements are correct?

A
Only one
B
Only two
C
All three
D
None
3
UPSC Civil Service Prelims Paper I 2023 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language
'Wolbachia method' is sometimes talked about with reference to which one of the following?
A
Controlling the viral diseases spread by mosquitoes
B
Converting crop residues into packing material
C
Producing biodegradable plastics
D
Producing biochar from thermo- chemical conversion of biomass
4
UPSC Civil Service Prelims Paper I 2023 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

Consider the following activities:

1. Spreading finely ground basalt rock on farmlands extensively

2. Increasing the alkalinity of oceans by adding lime

3. Capturing carbon dioxide released by various industries and pumping it into abandoned subterranean mines in the form of carbonated waters

How many of the above activities are often considered and discussed for carbon capture and sequestration?

A
Only one
B
Only two
C
All three
D
None
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