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

In which of the following are hydrogels used?

1. Controlled drug delivery in patients

2. Mobile air-conditioning systems

3. Preparation of industrial lubricants

Select the correct answer using the code given below:

A

1 only

B

1 and 2 only

C

2 and 3 only

D

1, 2 and 3

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

Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen?

A

Hydrogen peroxide

B

Hydronium

C

Oxygen

D

Water vapour

3
UPSC Civil Service Prelims Paper I 2024 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

Recently, the term “pumped-storage hydropower” is actually and appropriately discussed in the context of which one of the following?

A

Irrigation of terraced crop fields

B

Lift irrigation of cereal crops

C

Long duration energy storage

D

Rainwater harvesting system

4
UPSC Civil Service Prelims Paper I 2024 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

“Membrane Bioreactors” are often discussed in the context of:

A

Assisted reproductive technologies

B

Drug delivery nanotechnologies

C

Vaccine production technologies

D

Wastewater treatment technologies

EXAM MAP