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ENVIRONMENTAL SCIENCE MCQs

Total Questions : 2671 | Page 48 of 268 pages
Question 471. Green Land biome
  1.    Tundra
  2.    Pampas
  3.    Taiga
  4.    Thaar
 Discuss Question
Answer: Option B. -> Pampas
Question 472. The wind-chill factor:
  1.    Relates body heat loss with wind to an equivalent temperature with no wind
  2.    Indicates the temperature at which water freezes on exposed skin
  3.    Takes into account humidity and air temperature in expressing the current air temperature
  4.    Tells farmers when to protect crops from a freeze
  5.    Determines how low the air temperature will be on any given day
 Discuss Question
Answer: Option A. -> Relates body heat loss with wind to an equivalent temperature with no wind
Question 473. Abundant source of inonazite sands are found on the sea shores of
  1.    Maharashtra
  2.    West Bengal
  3.    Tamil Nadu
  4.    Kerala
 Discuss Question
Answer: Option D. -> Kerala
Question 474. Concept of ecological pyramids was proposed by
  1.    Odum
  2.    Clements
  3.    Tansley
  4.    Charles Elton
 Discuss Question
Answer: Option D. -> Charles Elton
Question 475. _________ is a practice of clearing and burning the forest area for cultivation of crops for 3-4 years and shifting.
  1.    Jhum cultivation
  2.    Horticulture
  3.    Taungya cultivation
  4.    Agrisilviculture
 Discuss Question
Answer: Option A. -> Jhum cultivation
Question 476. Growing agricultural crops between rows of planted trees is known as
  1.    Social forestry
  2.    Jhum
  3.    Taungya system
  4.    Agroforestry
 Discuss Question
Answer: Option C. -> Taungya system
Question 477. The cutting down of trees and setting them on fire and raising crops on the resulting ash is called:
  1.    Pyrolysis
  2.    Jhum
  3.    Taungya system
  4.    Shift cultivation
 Discuss Question
Answer: Option B. -> Jhum
Question 478. _____________ is the poisonous gas leaked during Bhopal gas tragedy
  1.    MIC
  2.    PVC
  3.    Teflon
  4.    Hydrogen Sulphide
 Discuss Question
Answer: Option A. -> MIC
Question 479. Approximately, 50% of total world species are present on
  1.    Tropical rain forest
  2.    Temperate rain forest
  3.    Temperate deciduous forest
  4.    Coral reefs
 Discuss Question
Answer: Option A. -> Tropical rain forest
Question 480. Which one of the following ecosystem type has the highest annual net primary productivity?
  1.    Tropical deciduous forest
  2.    Tropical rain forest
  3.    Temperate deciduous forest
  4.    Temperate evergreen forest
 Discuss Question
Answer: Option B. -> Tropical rain forest

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