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Technology - Questions and AnswersPage 3

21.

Which of the following countries meet more than one fourth of their energy requirement from nuclear power?
(a)France, Ukraine, India, Germany
(b)Japan, Germany , England, Korea
(c)France, Ukraine, Sweden, Korea
(d)France, US, Russia, Germany
Comment
Answer is: C

22.

Paper was invented in
(a)India
(b)Egypt
(c)Greece
(d)China
Comment
Answer is: D

23.

Which of the following belongs to the branch of Geology?
(a)Meteorology
(b)Cosmology
(c)Cartography
(d)Palaeontology
Comment
Answer is: D

24.

Hydroponics is
(a)Plant growth under laboratory conditions
(b)Plant growth in liquid culture medium
(c)Soil conservation
(d)Plant growth in mineral deficient soil
Comment
Answer is: B

25.

Who invented the Thermos Flask?
(a)James Dewar
(b)Richard J. Galling
(c)Humphry Davy
(d)Thomas Alva Edison
Comment
Answer is: A

26.

Air quality depicting PM 2.5 is more hazardous to
(a)Archaeological Monuments
(b)National Parks
(c)Botanical Gardens
(d)Old Men and Women
Comment
Answer is: D

27.

Who invented the video-tape?
(a)Richard James
(b)P.T. Farnsworth
(c)Charles Ginsberg
(d)Georges-de-Mestral
Comment
Answer is: C

28.

Who invented the telescope?
(a)Newton
(b)Copernicus
(c)Galileo
(d)Edison
Comment
Answer is: C

29.

When was colour TV transmission introduced in India?
(a)1982
(b)1981
(c)1980
(d)1984
Comment
Answer is: A

30.

Who is recognised as the Father of Geometry?
(a)Johann Kepler
(b)Euclid
(c)Rene Descartes
(d)Pythagoras
Comment
Answer is: B

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