1
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

Which of the following are nitrogen-fixing plants ?

1. Alfalfa

2. Amaranth

3. Chickpea

4. Clover

5. Purslane (Kulfa)

6. Spinach

Select the correct answer using the code given below : 

A
1, 3 and 4 only
B
1, 3, 5 and 6 only
C
2, 4, 5 and 6 only
D
1, 2, 4, 5 and 6
2
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language
"Biorock technology" is talked about in which one of the following situations ?
A
Restoration of damaged coral reefs
B
Development of building materials using plant residues
C
Identification of areas for exploration/extraction of shale gas
D
Providing salt licks for wild animals in forests/protected areas
3
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language
The "Miyawaki method" is well known for the :
A
Promotion of commercial farming in arid and semi-arid areas
B
Development of gardens using genetically modified flora
C
Creation of mini forests in urban areas
D
Harvesting wind energy on coastal areas and on sea surfaces
4
UPSC Civil Service Prelims Paper I 2022 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language
Which one of the following has been constituted under the Environment (Protection) Act, 1986?
A
Central Water Commission
B
Central Ground Water Board
C
Central Ground Water Authority
D
National Water Development Agency
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