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Similar Questions
2014
Exam:UPSC CSE
Paper:Prelims GS
Topic:Environme nt
Difficulty:medium

There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why?

  1. They can accumulate in the environment and contaminate water and soil.
  2. They can enter the food chains.
  3. They can trigger the production of free radicals.
    Select the correct answer using the code given below.
2019
Exam:UPSC CSE
Paper:Prelims GS
Topic:Environment
Difficulty:medium

Consider the following statements:

  1. The Environment Protection Act, 1986 empowers the Government of India to state the requirement of public participation in the process of environmental protection, and the procedure and manner in which it is sought.
  2. The Act lays down the standards for emission or discharge of environmental pollutants from various sources.
    Which of the statements given above is/are correct?
2022
Exam:UPSC CSE
Paper:Prelims GS
Topic:Basic Science
Difficulty:medium

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?
2022
Exam:UPSC CSE
Paper:Prelims GS
Topic:Current Affairs
Difficulty:medium

With reference to Non-Fungible Tokens (NFTs), consider the following statements:

  1. They enable the digital representation of physical assets.
  2. They are unique cryptographic tokens that exist on a blockchain.
  3. They can be traded or exchanged at equivalency and therefore can be used as a medium of commercial transactions.
    Which of the statements given above are correct?
2022
Exam:UPSC CSE
Paper:Prelims GS
Topic:Internatio nal Relations
Difficulty:medium

Consider the following statements:

  1. Bidibidi is a large refugee settlement in north-western Kenya.
  2. Some people who fled from the South Sudan civil war live in Bidibidi.
  3. Some people who fled from the civil war in Somalia live in the Dadaab refugee complex in Kenya.
    Which of the statements given above is/are correct?
Q. 85
DiscussAttempt
UPSC CSE • 2022 • PRELIMS GS
S&T
Medium

Consider the following statements:

  1. Other than those made by humans, nanoparticles do not exist in nature.
  2. Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics.
  3. Nanoparticles of some commercial products which enter the environment are unsafe for humans.
    Which of the statements given above is/are correct?

A

1 only

B

3 only

C

1 and 2

D

2 and 3

Kepler. Discussing PYQs. Q.no. 85