21. Gabriel Daniel Fahrenheit was

a German Physicist
devised temperature scale
developed the mercury thermometer in 1714
All of the above

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Fahrenheit was" class="read-more button" href="https://exam.pscnotes.com/mcq/gabriel-daniel-fahrenheit-was/#more-56858">Detailed SolutionGabriel Daniel Fahrenheit was

22. Vir Chakra (a medal) is made up of

bronze
gold gilt
standard silver
None of the above

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button" href="https://exam.pscnotes.com/mcq/vir-chakra-a-medal-is-made-up-of/#more-56843">Detailed SolutionVir Chakra (a medal) is made up of

23. Hybridization is

decayed vegetable matter
a process of tilling the land
cross-fertilization between two varieties
downward movement of water through soil

Detailed SolutionHybridization is

24. In which year, terrorists crash two planes into New York’s World Trade Centre on September 11 in a sequence of destruction?

2000
2001
2002
2003

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in a sequence of destruction?" class="read-more button" href="https://exam.pscnotes.com/mcq/in-which-year-terrorists-crash-two-planes-into-new-yorks-world-trade-centre-on-september-11-in-a-sequence-of-destruction/#more-56825">Detailed SolutionIn which year, terrorists crash two planes into New York’s World Trade Centre on September 11 in a sequence of destruction?

25. Which Academy promotes and develops literature in all the 22 languages of India?

Sahitya Academy
Sangeet Natak Academy
Lalit Kala Academy
None of the above

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all the 22 languages of India?" class="read-more button" href="https://exam.pscnotes.com/mcq/which-academy-promotes-and-develops-literature-in-all-the-22-languages-of-india/#more-56807">Detailed SolutionWhich Academy promotes and develops literature in all the 22 languages of India?

26. Which atomic reactor is used for studies of uranium heavy water lattice?

Apsara
Zerlina
Dhruva
Purnima-I

Detailed

SolutionWhich atomic reactor is used for studies of uranium heavy water lattice?

27. The first batch of women pilots was commissioned on

August 20, 1993
December 17, 1994
January 12, 1988
None of the above

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pilots was commissioned on" class="read-more button" href="https://exam.pscnotes.com/mcq/the-first-batch-of-women-pilots-was-commissioned-on/#more-56771">Detailed SolutionThe first batch of women pilots was commissioned on

28. WTO, (World Trade Organization), WHO, (World Health Organization) and IDA (International Development Association) are ___ of General Assembly (UNO).

principal organs
other United Nations Organs
specialized agencies and other autonomous organization
they are independent agencies and not a part of UNO

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(UNO)." class="read-more button" href="https://exam.pscnotes.com/mcq/wto-world-trade-organization-who-world-health-organization-and-ida-international-development-association-are-___-of-general-assembly-uno/#more-56745">Detailed SolutionWTO, (World Trade Organization), WHO, (World Health Organization) and IDA (International Development Association) are ___ of General Assembly (UNO).

29. In 1947, Algeria became politically unified with France but the 80 percent population revolted against French domination

Hindu
Muslim
Christian
Jain

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domination" class="read-more button" href="https://exam.pscnotes.com/mcq/in-1947-algeria-became-politically-unified-with-france-but-the-80-percent-population-revolted-against-french-domination/#more-56733">Detailed SolutionIn 1947, Algeria became politically unified with France but the 80 percent population revolted against French domination

30. To produce sound it is necessary that

the source should execute longitudinal vibrations
the source should execute transverse vibrations
the source may execute any type of vibrations

Detailed SolutionTo produce sound it is necessary that


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