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ENVIRONMENTAL SCIENCE MCQs

Total Questions : 2671 | Page 7 of 268 pages
Question 61. Climate includes
  1.    Seasonal variation
  2.    General patterns of atmosphere conditions
  3.    Average weather of an area
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 62. An example of nitrogen fixing bacteria in the soil
  1.    Rhizobium
  2.    Nostoc
  3.    Azotobacter
  4.    Nitrobacter
 Discuss Question
Answer: Option C. -> Azotobacter
Question 63. The algal booin often releases __________ in water
  1.    acidic
  2.    toxins
  3.    bacteria
  4.    virus
 Discuss Question
Answer: Option B. -> toxins
Question 64. In a food chain of grassland ecosystem the top consumers are
  1.    Herbivorous
  2.    Carnivorous
  3.    Bacteria
  4.    Either carnivorous or herbivorous
 Discuss Question
Answer: Option B. -> Carnivorous
Question 65. The first protected area in India is ____________
  1.    Silent valley
  2.    Corbett National Park
  3.    Bandipur sanctuary
  4.    Nagar-Hole
 Discuss Question
Answer: Option B. -> Corbett National Park
Question 66. Centre of Modern nuclear technology in India
  1.    CRAS
  2.    SARC
  3.    BARC
  4.    None of these
 Discuss Question
Answer: Option C. -> BARC
Question 67. The north-facing side of a hill in a mountainous region in the US tends to:
  1.    Receive less sunlight during a year than the south-facing side
  2.    Grow a variety of trees that are typically observed at higher elevation
  3.    Be a better location for a ski run than the south-facing side
  4.    Have snow on the ground for a longer period of time in winter compared to the south-facing side
  5.    All of the above
 Discuss Question
Answer: Option E. -> All of the above
Question 68. What scale is useful to record the force of wind ?
  1.    Decibel
  2.    Richter
  3.    Beau fort
  4.    Fajita
 Discuss Question
Answer: Option C. -> Beau fort
Question 69. Organisms which are predominantly found living on, in or near bed sediments of rivers or lakes are known as
  1.    nektonic
  2.    neuston
  3.    benthic
  4.    planktonic
 Discuss Question
Answer: Option C. -> benthic
Question 70. Unleaded petrol contains __________ which are known as carcinogenic compounds
  1.    nitrates
  2.    sulphates
  3.    benzene
  4.    phosphates
 Discuss Question
Answer: Option C. -> benzene

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