1
UPSC Civil Service Prelims Paper I 2021 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language
‘Triclosan’, considered harmful when exposed to high levels for a long time, is most likely present in which of the following?
A
Food preservatives
B
Fruit-ripening substances
C
Reused plastic. containers
D
Toiletries
2
UPSC Civil Service Prelims Paper I 2021 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

How is permaculture farming different from conventional chemical farming?

1. Permaculture farming discourages monocultural practices but in conventional chemical farming, monoculture practices are predominant.

2. Conventional chemical farming can cause an increase in soil salinity but the occurrence of such phenomenon is not observed in permaculture farming.

3. Conventional chemical farming is easily possible in semi-arid regions but permaculture farming is not so easily possible in such regions.

4. Practice of mulching is very important in permaculture farming but not necessarily so conventional chemical farming

Select the correct answer using the code given below.  

A
1 and 3
B
1, 2 and 4
C
4 only
D
2 and 3
3
UPSC Civil Service Prelims Paper I 2021 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

With reference to ‘palm oil’, consider the following statements:

1. The palm oil tree is native to Southeast Asia.

2. Palm oil is a raw material for some industries producing lipstick and perfumes.

3. Palm oil can be used to produce biodiesel.

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 2021 (General Studies)
MCQ (Single Correct Answer)
+2
-0.66
Change Language

Consider the following statements :

1. The Global Ocean Commission grants licenses for seabed exploration and mining in international waters.

2. India has received licenses for seabed mineral exploration in international waters.

3. ‘Rare earth minerals’ are present on the seafloor in international waters.

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
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