29TH JANUARY ,2021 : DAILY 10.30 A.M UPSC PRELIMS(10 QUESTIONS) MCQs

1. With reference to the carbon nanotubes, consider the following statement:

1. They can be used as the carriers of drugs and antigens in the human
2. They can be made into the artificial blood capillaries for an injured part of human body.
3. They can be used in biochemical
4. Carbon nanotubes are

Which of the statements given above are correct?

2. Consider the following activities:

1. Spraying pesticides on a crop field
2. Inspecting the craters of active volcanoes
3. Collecting breath samples from spouting whales for DNA analysis

At the present level of technology, which of the above activities can be successfully carried out by using drones?

3. The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometers long, with lasers shining between the craft.” The experiment in question refers to

4. Consider the following statements:

1. Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective
2. A person’s genome can be edited before birth at the early embryonic
3. Human-induced pluripotent stem cells can be injected into the embryo of a

Which of the statements given above is/are correct?

5. What is the importance of using Pneumococcal Conjugate Vaccines in India?

1. 1. These vaccines are effective against pneumonia as well as meningitis and
   2. Dependence on antibiotics that are not effective against drug-resistant bacteria can be
   3. These vaccines have no side effects and cause no allergic

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6. In India, the term “Public Key Infrastructure” is used in the context of

7. Which of the following statements are correct regarding the general difference between plant and animal cells?

1. Plant cells have cellulose cell walls whilst animal cells do
2. Plant cells do not have plasma membrane unlike animal cells which
3. A mature plant cell has one large vacuole whilst animal cell has many small

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8. Which of the following are the reasons/factors for exposure to benzene pollution?

1. Automobile exhaust
2. Tobacco smoke
3. Wood burning
4. Using varnished wooden furniture
5. Using products made of polyurethane

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9. If another global financial crisis happens in the near future, which of the following actions/policies are most likely to give some immunity to India?

1. 1. Not depending on short-term foreign borrowings
   2. Opening up to more foreign banks
   3. Maintaining full capital account convertibility

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10. If you withdraw 1,00,000 in cash from your Demand Deposit Account at your bank, the immediate effect on aggregate money supply in the economy will be