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

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

“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

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

Consider the following materials:

1. Agricultural residues

2. Corn grain

3. Wastewater treatment sludge

4. Wood mill waste

Which of the above can be used as feedstock for producing Sustainable Aviation Fuel?

A

1 and 2 only

B

3 and 4 only

C

1, 2, 3 and 4

D

1, 3 and 4 only

4
UPSC Civil Service Prelims Paper I 2023 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
'Aerial metagenomics' best refers to which one of the following situations?
A
Collecting DNA samples from air in a habitat at one go
B
Understanding the genetic makeup of avian species of a habitat
C
Using air-borne devices to collect samples from moving
blood animals
D
Sending drones to inaccessible areas to collect plant and animal samples from land surfaces and water bodies
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