Correct answer: (d) spread of viral diseases
Explanation
- A
genes introduced in the genetically modified plants
GM plants. Unrelated acronym here.
- B
development of India’s own satellite navigation system
NavIC. Indian satnav is IRNSS, not ACE2.
- C
radio collars for wildlife tracking
Wildlife collars. Unrelated.
- D
spread of viral diseases
Spread of viral diseases. ACE2 is the cell receptor SARS-CoV-2 uses.
Summary. Official key is (d). ACE2 (angiotensin-converting enzyme 2) is the receptor the COVID-19 virus binds. It is not a GM insert, a satnav or a collar.
Same topic · past papers
UPSC has asked this before
These previous-year questions sit on the same topic. Open one to practise the earlier ask.
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