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MCQs

Total Questions : 560 | Page 48 of 56 pages
Question 471. In transpiration process, water transfers from plants to:
  1.    The atmosphere
  2.    The biosphere
  3.    The hydrosphere
  4.    The troposphere
 Discuss Question
Answer: Option A. -> The atmosphere
Answer: (a).The atmosphere
Question 472. 'Phytoplankton' is a small forms of plant life, usually live in:
  1.    Rivers
  2.    Sea
  3.    Oceans
  4.    Ponds
 Discuss Question
Answer: Option C. -> Oceans
Answer: (c).Oceans
Question 473. Proton is a positively charged component of the:
  1.    Atomic nucleus
  2.    Molecule
  3.    Electron
  4.    Neutron
 Discuss Question
Answer: Option A. -> Atomic nucleus
Answer: (a).Atomic nucleus
Question 474. Ozone layer is positioned in the:
  1.    Troposphere
  2.    Ionosphere
  3.    Stratosphere
  4.    Biosphere
 Discuss Question
Answer: Option C. -> Stratosphere
Answer: (c).Stratosphere
Question 475. 'Deforestation' also causes:
  1.    Acid Rain
  2.    Afforestation
  3.    Eutriphication
  4.    Climate change
 Discuss Question
Answer: Option D. -> Climate change
Answer: (d).Climate change
Question 476. Water takes large amount of heat input to give it a small:
  1.    Fall in temperature
  2.    Rise in temperature
  3.    Decrease in temperature
  4.    Fluctuation
 Discuss Question
Answer: Option B. -> Rise in temperature
Answer: (b).Rise in temperature
Question 477. Condensation is a process of changing state from gas to:
  1.    Mist
  2.    Solid
  3.    vapors
  4.    Liquid
 Discuss Question
Answer: Option D. -> Liquid
Answer: (d).Liquid
Question 478. About 30% of incoming solar radiation is reflected by surface of earth and:
  1.    Hydrosphere
  2.    Biosphere
  3.    Atmosphere
  4.    Troposphere
 Discuss Question
Answer: Option C. -> Atmosphere
Answer: (c).Atmosphere
Question 479. UV radiation from Sun strikes molecules of oxygen, causes two oxygen atoms to:
  1.    Combine together
  2.    split apart
  3.    Form together
  4.    Produce
 Discuss Question
Answer: Option B. -> split apart
Answer: (b).split apart
Question 480. Condensation is process that changes substance from:
  1.    Liquid to Solid
  2.    Solid to Liquid
  3.    Liquid to Solid
  4.    Gas to Liquid
 Discuss Question
Answer: Option D. -> Gas to Liquid
Answer: (d).Gas to Liquid

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