1
UPSC Civil Service Prelims Paper I 2024 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66

Which one of the following is synthesised in human body that dilates blood vessels and increases blood flow ?

A

Nitric oxide

B

Nitrous oxide

C

Nitrogen dioxide

D

Nitrogen pentoxide

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

Consider the following statements :

Statement-I : Marsupials are not naturally found in India.

Statement-II : Marsupials can thrive only in montane grasslands with no predators.

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 but Statement-II is correct
3
UPSC Civil Service Prelims Paper I 2023 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

Consider the following statements :

1. Some mushrooms have medicinal properties.

2. Some mushrooms have psycho-active properties.

3. Some mushrooms have insecticidal properties.

4. Some mushrooms have bioluminescent properties.

How many of the above statements are correct? 

A
Only one
B
Only two
C
Only three
D
All four
4
UPSC Civil Service Prelims Paper I 2023 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

Consider the following statements :

1. Some microorganisms can grow in environments with temperature above the boiling point of water.

2. Some microorganisms can grow in environments with temperature below the freezing point of water.

3. Some microorganisms can grow in highly acidic environment with a pH below 3.

How many of the above statements are correct?

A
Only one
B
Only two
C
All three
D
None
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