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ENVIRONMENTAL SCIENCE MCQs

Total Questions : 2671 | Page 45 of 268 pages
Question 441. Which of the following will decrease in a rising parcel of air?
  1.    Relative humidity
  2.    Absolute humidity
  3.    Specific humidity
  4.    All of the above
 Discuss Question
Answer: Option B. -> Absolute humidity
Question 442. The pyramid of energy in terrestrial ecosystem is
  1.    Upright
  2.    Inverted
  3.    Spindle shaped
  4.    Irregular
 Discuss Question
Answer: Option A. -> Upright
Question 443. The pyramid of numbers in a single tree is
  1.    Upright
  2.    Inverted
  3.    Spindle shaped
  4.    None of these
 Discuss Question
Answer: Option C. -> Spindle shaped
Question 444. In pond ecosystem, the pyramid of biomass is
  1.    upright
  2.    inverted
  3.    spindle shaped
  4.    none of these
 Discuss Question
Answer: Option B. -> inverted
Question 445. In grassland ecosystem, the pyramid of biomass is
  1.    upright
  2.    inverted
  3.    spindle shaped
  4.    none of these
 Discuss Question
Answer: Option A. -> upright
Question 446. If the air temperature increased, with no addition or removal of water vapour, the actual vapour pressure would:
  1.    Increase
  2.    Decrease
  3.    Stay the same
  4.    Become greater than the saturation vapor pressure
 Discuss Question
Answer: Option C. -> Stay the same
Question 447. Fog that forms off the coast of Newfoundland is mainly a form of:
  1.    Advection fog
  2.    Frontal fog
  3.    Steam fog
  4.    Radiation fog
  5.    Upslope fog
 Discuss Question
Answer: Option A. -> Advection fog
Question 448. Water vapour contains a huge amount of stored energy known as
  1.    Latent heat
  2.    Solar energy
  3.    Stored heat
  4.    Mechanical energy
 Discuss Question
Answer: Option A. -> Latent heat
Question 449. Enrichment of water body by nutrients like phosphorus and nitrogen is called _____________
  1.    Succession
  2.    Eutrophication
  3.    Stratification
  4.    Climax Vegetation
 Discuss Question
Answer: Option B. -> Eutrophication
Question 450. The electrified region of the upper atmosphere is called the:
  1.    Thermosphere
  2.    Mesosphere
  3.    Stratosphere
  4.    Ionosphere
  5.    Troposphere
 Discuss Question
Answer: Option D. -> Ionosphere

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