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UPSC Science & Technology PYQs 2021 | Vaidra | Vaidra
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Science & Technology UPSC PYQ 2021

30 questions from the UPSC 2021 examination. Showing a preview of 3 below — generate a full practice test to solve the rest.

3 questions

1Medium1 mark
Consider the following: [2021] 1) Bacteria 2) Fungi 3) Virus Which of the above can be cultured in artificial/synthetic medium?
A1 and 2 only
B2 and 3 only
C1 and 3 only
D1, 2 and 3
2Mediumprelims2 marks
Biotechnology & Genetics
With reference to recent developments regarding 'Recombinant Vector Vaccines', consider the following statements:
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?
A1 only
B2 only
CBoth 1 and 2
DNeither 1 nor 2
3Easyprelims2 marks
Space Technology & Astronomy
Which one of the following is a reason why astronomical distances are measured in light-years?
ADistances among stellar bodies do not change.
BGravity of stellar bodies does not change.
CLight always travels in straight line.
DSpeed of light is always same.

27 more Science & Technology 2021 questions await

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