Environmental Studies-4


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Multiple Choice Questions (MCQs)

Biodiversity and Its Conservation 

1   The scientific study of the geographic distribution of plants and animals is called as
    (A)   Biodiversity
    (B)   Biogeography
    (C)   Ecology
    (D)   Biology

2   The total area of India is classified into following number of biogeographical zones
    (A)   Six
    (B)   Eight
    (C)   Nine
    (D)   Ten

3   Species with very restricted distribution over relatively small ranges is called
    (A)   Endangered species
    (B)   Extinct species
    (C)   Endemic species
    (D)   None of the given

4   Which of the following is a biodiversity hotspot of India?
    (A)   Succulent Karoo
    (B)   Mediterranean Basin
    (C)   Sundaland
    (D)   Eastern Himalayas

5   Extinction of a weaker species by an aggressive alien species is the result of
    (A)   Endemism of weaker species
    (B)   Habitat loss
    (C)   The Domino effect
    (D)   All of the given

6   Protection of endangered species by preserving the entire ecosystem is known as
    (A)   In-situ conservation
    (B)   Ex-situ conservation
    (C)   Biodiversity conservation
    (D)   None of the given

7   The species with thin population localized within restricted area is said to be
    (A)   Rare
    (B)   Threatened
    (C)   Endangered
    (D)   Vulnerable

8   Bharatpur bird sanctuary is situated in…
    (A)   Kerala
    (B)   Karnataka
    (C)   Gujarat
    (D)   Rajasthan

9   Which of the following is major biodiversity in Maharashtra?
    (A)   Deccan Peninsula – Chhota Nagpur
    (B)   Deccan Peninsula – Deccan South
    (C)   Deccan Peninsula – Central Highlands
    (D)   None of the above

10   Himalayan Mountain falls in which region
    (A)   2A, 2B, 2C, 2D
    (B)   8A
    (C)   6B
    (D)   None of the above

11   “Genetic Pollution” may be originated due to one of the following. Which of the following may be possible reason?
    (A)   Uncontrolled Hybridization
    (B)   Unprofitability
    (C)   Natural Phenomenon
    (D)   None of the above

12   A world map of hot spots with details of Flora & Fauna is prepared by
    (A)   The national geographic society
    (B)   Scientific Organizations
    (C)   Environmentalists
    (D)   None of the above

13   The phenomenon of the entry of toxic chemicals into the food chains and more concentrated at higher tropic levels is called
    (A)   Biological control
    (B)   Biomagnifications
    (C)   Algal bloom
    (D)   Red tide

14   Bharatpur bird sanctuary is situated in
    (A)   Kerala
    (B)   Karnataka
    (C)   Gujarat
    (D)   Rajasthan

15   Which of the following is an air pollutant?
    (A)   Nitrogen
    (B)   Carbon
    (C)   Carbon monoxide
    (D)   Oxygen

16   Which of the following is a secondary air pollutant?
    (A)   Ozone
    (B)   Carbon Dioxide
    (C)   Carbon monoxide
    (D)   Sulphur dioxide

17   During Inversion:
    (A)   Temperature increases with altitude
    (B)   Temperature decreases with altitude
    (C)   Temperature remains constant
    (D)   None of the above

18   Which of the following on inhalation dissolved in the blood hemoglobin more rapidly than oxygen?
    (A)   Sulphur dioxide
    (B)   Carbon mono-oxide
    (C)   Ozone
    (D)   Nitrous oxide

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