1
UPSC Civil Service Prelims Paper I 2025 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66

Consider the following statements:

Statement I: Some rare earth elements are used in the manufacture of flat television screens and computer monitors.

Statement II: Some rare earth elements have phosphorescent properties.

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 explains Statement I

B

Both Statement I and Statement II are correct but Statement II does not explain Statement I

C

Statement I is correct but Statement II is not correct

D

Statement I is not correct but Statement II is correct

2
UPSC Civil Service Prelims Paper I 2025 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66

Consider the following space missions:

I. Axiom-4

II. SpaDeX

III. Gaganyaan

How many of the space missions given above encourage and support micro-gravity research?

A

Only one

B

Only two

C

All the three

D

None

3
UPSC Civil Service Prelims Paper I 2025 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66

With reference to India's defence, consider the following pairs:

Aircraft type Description
I. Dornier-228 Maritime patrol aircraft
II. IL-76 Supersonic combat aircraft
III. C-17 Globe-master III Military transport aircraft
How many of the pairs given above are correctly matched?
A

Only one

B

Only two

C

All the three

D

None

4
UPSC Civil Service Prelims Paper I 2025 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66

Artificial way of causing rainfall to reduce air pollution makes use of

A

silver iodide and potassium iodide

B

silver nitrate and potassium iodide

C

silver iodide and potassium nitrate

D

silver nitrate and potassium chloride