Daily UPSC MCQs

DAY 1: DAILY UPSC PRELIMS 2020 PREVIOUS YEAR QnA PRACTICE

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

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

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 kilometres 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 parent.
  2. A person’s genome can be edited before birth at the early embryonic stage.
  3. Human induced pluripotent stem cells can be injected into the embryo of a pig.

Which of the statements given above is/are correct?

 
 
 
 

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

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

Select the correct answer using the code given below:

 
 
 
 

Question 1 of 5

 

 

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