UPSC Prelims PYQ

UPSC Prelims Science & technology Questions

25 Science & technology questions from previous UPSC Prelims papers, from the latest year backwards, each with its answer and explanation.

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Questions
25
Years covered
2020–2021
Exam years
2
With answers
25

Science & technology questions by year

2021 🔒12 2020 🔒13

UPSC Prelims Science & technology Questions

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  1. Q1 2021 Prelims GS

    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?

    BiotechnologyRecombinant vector vaccinesScience & technology
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  2. Q2 2021 Prelims GS

    In the context of hereditary diseases, consider the following statements:
    1. Passing on mitochondrial diseases from parent to child can be prevented by mitochondrial replacement therapy either before or after in vitro fertilization of egg.
    2. A child inherits mitochondrial diseases entirely from mother and not from father.
    Which of the statements given above is/are correct?

    BiotechnologyGenetics & reproductive technologyMitochondrial diseases and replacement therapy
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