Which of the following statements is not true?

(1) The biodiversity decreases with increasing altitude.

(2) The biodiversity decreases with increasing pollution.

(3) The fishes show greatest biodiversity among vertebrates.

(4) The biodiversity of bryophytes is greater than that of angiosperms.

Subtopic:  Magnitude of Biodiversity |
 75%
From NCERT
AIIMS - 2014
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One out of the following is not responsible for biodiversity loss.

(1) Alien species invasion

(2) Co-extinction

(3) Ex-situ conservation

(4) Deforestation

Subtopic:  Loss of Biodiversity |
 82%
From NCERT
AIIMS - 2015
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Refer the following figure represent global biodiversity. Identify A-E and choose the correct option.

  A B C D E
(1) Birds Reptiles Algae Molluscs Mosses
(2) Mammals Birds Lichens Molluscs Mosses
(3) Birds Amphibians Mosses Insects Algae
(4) Birds Reptiles Algae Insects Mosses
Subtopic:  Magnitude of Biodiversity |
 74%
From NCERT
AIIMS - 2017
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Select the correct statement about biodiversity.
 

1. The desert area of Rajasthan and Gujarat have a very high level of desert animals.
2. Large scale planting of Bt cotton has no adverse effect on biodiversity
3. Western Ghats have a very high degree of species richness and endemism
4. Conservation of biodiversity is just a fad pursued by the developed countries.

Subtopic:  Biodiversity Patterns |
 90%
From NCERT
AIIMS - 2015
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The species diversity decreases from lower to higher altitudes on a mountain. This is due to
(1) increase in temperature

(2) decrease in temperature

(3) greater seasonal variability

(4) Both (b) and (c)

Subtopic:  Biodiversity Patterns |
 73%
AIIMS - 2014
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Different varieties of Indian mangoes are most popular in Western and some other European countries. The varieties with different flavour, colour, sugar and fleshy content is due to

(1) genetic diversity

(2) species diversity

(3) induced mutation

(4) hybridisation

Subtopic:  Introduction & Types |
 82%
From NCERT
AIIMS - 2013
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IUCN stands for

(1) Indian Union for Conservation of Nature

(2) International Union for Conservation of Nature

(3) Indian Union for Chemical Nomenclature

(4) International Union for Conservation of Nutrients

 

Subtopic:  Introduction & Types |
 92%
From NCERT
AIIMS - 2012
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For better survival of human Indian population, which is the most important Step?
(1) Afforestation

(2) Reduction in population density

(3) conservation of wild life including tribals

(4) Both (a) and (c)

Subtopic:  In Situ Conservation of Biodiversity | Ex Situ Conservation of Biodiversity |
 82%
AIIMS - 2011
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Which of the following rain forest is home to more than 40,000 species of plants, 3,000 of fishes, 1,300 of birds, 427 of mammals, 427 of amphibians, 378 of reptiles and more than 1,25,000 invertebrates?

(1) Amazonian

(2) Tropical

(3) Arctic tundra

(4) Temperate

Subtopic:  Biodiversity Patterns |
 89%
From NCERT
AIIMS - 2009
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The term "The Evil Quartet" is related with:

(1) Four major causes of forest loss   

(2) Four major causes of population explosion

(3) Four major causes of air pollution 

(4) Four major causes of biodiversity losses

Subtopic:  Loss of Biodiversity |
 92%
From NCERT
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