Ecology and Environment
Government Legislature
MCQ (Single Correct Answer)
Government Initiatives
MCQ (Single Correct Answer)
International Convention
MCQ (Single Correct Answer)
1
UPSC Civil Service Prelims Paper I 2023 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66

With reference to green hydrogen, consider the following statements:

1. It can be used directly as a fuel for internal combustion.

2. It can be blended with natural gas and used as fuel for heat or power generation.

3. It can be used in the hydrogen fuel cell to run vehicles.

How many of the above statements are correct?

A
Only one
B
Only two
C
All three
D
None
2
UPSC Civil Service Prelims Paper I 2023 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66

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
3
UPSC Civil Service Prelims Paper I 2023 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66

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
4
UPSC Civil Service Prelims Paper I 2023 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
'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
UPSC Civil Service Subjects
History of India
Science and Technology
Geography
Ecology and Environment
Indian Polity and Governance
Economy
Current Affairs
Comprehension
Basic Numeracy
Logical Reasoning and General Mental Ability
Data Interpretation and Sufficiency