Civil Disobedience Movement (PYQ)

1. Consider the following: (upsc / IAS 2021)
1. Bacteria
2. Fungi
3. Virus
Which of the above can be cultured in an artificial/ synthetic medium?

2. Which one of the following is used in preparing a natural mosquito repellent? (upsc / IAS 2021)

3. Consider the following statements: (upsc / IAS 2021)
1. Adenoviruses have single-stranded DNA genomes whereas retroviruses have double-stranded DNA genomes.
2. Common cold is sometimes caused by an adenovirus whereas AIDS is caused by a retrovirus.
Which of the statements given above is/are correct?

4. In a pressure cooker, the temperature at which the food is cooked depends mainly upon

which of the following? (upsc / IAS 2021)
1. Area of the hole in the lid
2. Temperature of the flame
3. Weight of the lid
Select the correct answer using the code given below.

5. Bollgard I and Bollgard II technologies are mentioned in the context of  (upsc / IAS 2021)

6. In the context of hereditary diseases, consider the following statements: (upsc / IAS 2021)
1. Passing on mitochondrial diseases from parent to child can be prevented by mitochondrial replacement

therapy either before or after in vitro fertilization of the egg.
2. A child inherits mitochondrial diseases entirely from the mother and not from the father.
Which of the statements given above is’/are correct?

7. With reference to recent developments regarding ‘Recombinant vector Vaccines’,

consider the following statements: (upsc / IAS 2021)
1. Genetic engineering is applied in the development of these vaccines.
2. Bacteria and viruses are used as vectors.
Which of the statements given above is/are correct?

8. With reference to street lighting, how do sodium lamps differ from LED lamps? (upsc / IAS 2021)
1. Sodium lamps produce light at 360 degrees but it is not so in the case of LED lamps.
2. As street lights, sodium lamps have a longer life span than LED lamps.
3. The spectrum of visible light from sodium lamps is almost monochromatic while LED lamps

offer significant colour advantages in street lighting.
Select the correct answer using the code given below.

9. Which one of the following is a reason why astronomical distances are measured in light-years? (upsc / IAS 2021)

10. “Triclosan” considered harmful when exposed to high levels for a long time,

is most likely present in which of the following? (upsc / IAS 2021)

11. Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of

which of the following kinds of plastics? (upsc / IAS 2021)

12. Water can dissolve more substances than any other liquid because.  (upsc / IAS 2021)

13. The term “ACE2” is talked about in the context of  (upsc / IAS 2021)