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ENVIRONMENTAL SCIENCE MCQs

Total Questions : 2671 | Page 46 of 268 pages
Question 451. The capacity to do work is termed as
  1.    Power
  2.    Force
  3.    Strength
  4.    Energy
 Discuss Question
Answer: Option D. -> Energy
Question 452. Which of the radioactive material is largely associated with bone cancer
  1.    Radium-226
  2.    Thorium-232
  3.    Strontium-90
  4.    Iodine
 Discuss Question
Answer: Option C. -> Strontium-90
Question 453. What is Pedology?
  1.    Study of water
  2.    Study of air
  3.    Study of soil
  4.    none
 Discuss Question
Answer: Option C. -> Study of soil
Question 454. What is Dendrology?
  1.    Study of Plants
  2.    Study of Butterflies
  3.    Study of Trees
  4.    None of these
 Discuss Question
Answer: Option C. -> Study of Trees
Question 455. In which of the following the maximum plant diversity is found
  1.    Tropical evergreen forests
  2.    Tropical moist deciduous forests
  3.    Sub tropical mountain forests
  4.    Temperate moist forests
 Discuss Question
Answer: Option A. -> Tropical evergreen forests
Question 456. When water changes from a liquid to a vapour, we call this process:
  1.    Freezing
  2.    Condensation
  3.    Sublimation
  4.    Deposition
  5.    Evaporation
 Discuss Question
Answer: Option E. -> Evaporation
Question 457. The area to which a species is biologically adapted to live is known as ________
  1.    Niche
  2.    Habitat
  3.    Succession
  4.    Community
 Discuss Question
Answer: Option B. -> Habitat
Question 458. Soap and detergents are the source of organic pollutants like:
  1.    Glycerol
  2.    Polyphosphates
  3.    Sulphonated hydrocarbons
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 459. Which one of the following cycle is not a gaseous biogeochemical cycle in ecosystem?
  1.    Nitrogen
  2.    Carbon
  3.    Sulphur
  4.    Phosphorus
 Discuss Question
Answer: Option D. -> Phosphorus
Question 460. All are primary pollutants except
  1.    Ammonia
  2.    Peroxyacetyl Nitrate (PAN)
  3.    Sulfur dioxide
  4.    Hydrogen sulfide
 Discuss Question
Answer: Option B. -> Peroxyacetyl Nitrate (PAN)

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