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?
Prelims
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Science and Technology › Emerging TechXSpace
Science and Technology › Emerging TechXSpace
Options
Answer
(D)
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Science and Technology › Genetics,Biotechnology
Science and Technology › Genetics,Biotechnology
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?Options
Answer
(D)
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Science and Technology › Nanotechnology,Carbon
Science and Technology › Nanotechnology,Carbon
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 human body.
(3) They can be used in biochemical sensors.
(4) Carbon nanotubes are biodegradable.
Which of the statements given above are correct?Options
Answer
(C)
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Science and Technology › Renewable Energy Technology
Science and Technology › Renewable Energy Technology
With reference to solar water pumps, consider the following statements:
1. Solar power can be used for running surface pumps and not for submersible Pumps.
2. Solar power can be used for running centrifugal pumps and not the ones with piston.
Which of the statements given above is/are correct?Options
Answer
(D)
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Science and Technology › Space ProgramsXIntl
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Science and Technology › Vaccines
Science and Technology › Vaccines
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:Options
Answer
(B)
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