1
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

2
UPSC Civil Service Prelims Paper I 2023 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language
'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
3
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

Consider the following statements :

1. Biofilms can form on medical implants within human tissues.

2. Biofilms can form on food and food processing surfaces.

3. Biofilms can exhibit antibiotic resistance.

Which of the statements given above are correct ?

A
1 and 2 only
B
2 and 3 only
C
1 and 3 only
D
1, 2 and 3
4
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

Consider the following statements in respect of probiotics :

1. Probiotics are made of both bacteria and yeast.

2. The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut.

3. Probiotics help in the digestion of milk sugars.

Which of the statements given above is/are correct?

A
1 only
B
2 only
C
1 and 3
D
2 and 3
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