1. The term ‘ACE2’ is talked about in the context of: ( UPSC 2021)
a) Genes introduced in the genetically modified plants
b) The development of India’s own satellite navigation system
c) Radio collars for wildlife tracking
d) The spread of viral diseases
Answer. d) The spread of viral diseases
Angiotensin Converting Enzyme 2 (ACE2) is talked about the spread of viral diseases.
2. Which one of the following is a reason why astronomical distances are measured in light-years? ( UPSC 2021)
a) Distances among stellar bodies do not change.
b) The gravity of stellar bodies does not change.
c) Light always travels in a straight line.
d) The speed of light is always the same.
Answer. d) The speed of light is always the same.
The fastest speed of light is in Vacuum which is 3* 10(8) meters per second.
3. Bisphenol A (BPA), a cause of concern, is a structural/ key component in the manufacture of which of the following kinds of plastics?
a) Low-density polyethylene
b) Polycarbonate
c) Polyethylene terephthalate
d) Polyvinyl chloride
Answer. b) Polycarbonate
Bisphenol A (BPA) is a chemical produced in large quantities for use primarily in the production of polycarbonate plastics.
Polycarbonates (PC) are a group of thermoplastic polymers (They are easily worked, molded, and thermoformed).
4. The "Clean Plant Programme" was recently in the news. It is related to?
a) Making a pollution-free environment in plants/industries
b) Making plant machines energy efficient
c) revolutionizing India’s horticulture sector.
d) Remove Space debris
Answer. c) revolutionizing India’s horticulture sector.
"Clean Plant Programme" includes the establishment of nine state-of-the-art Clean Plant Centers (CPCs) across India.
The program aims to boost farmers’ incomes, improve consumer produce, increase India’s fruit exports, and promote sustainable agricultural practices
5. the Ashoka Seamount, Chandragupta Ridge, and Kalpataru Ridge often appear in the news, they are
a) underwater geographical structures in the Ganga River
b) underwater geographical structures in the Indian Ocean
c) underwater geographical structures in the Antarctic Ocean
d) underwater geographical structures in the South-China Sea
Answer. b) underwater geographical structures in the Indian Ocean.
the Ashoka Seamount, Chandragupta Ridge, and Kalpataru Ridge were discovered and named by the National Centre for Polar and Ocean Research (NCPOR), Goa.
The above-mentioned names were also approved by approved by the International Hydrographic Organization (IHO) and UNESCO’s Intergovernmental Oceanographic Commission (IOC).
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