Select the correct statement about biodiversity.
(a) The desert area of Rajasthan and Gujarat have a very high level of desert animals.
(b) Large scale planting of Bt cotton has no adverse effect on biodiversity
(c) Western Ghats have a very high degree of species richness and endemism
(d) Conservation of biodiversity is just a fad pursued by the developed countries.

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The species diversity decreases from lower to higher altitudes on a mountain. This is due to
(a) increase in temperature
(b) decrease in temperature
(c) greater seasonal variability
(d) Both (b) and (c)

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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
(a) genetic diversity
(b) species diversity
(c) induced mutation
(d) hybridisation

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IUCN stands for
(a) Indian Union for Conservation of Nature
(b) International Union for Conservation of Nature
(c) Indian Union for Chemical Nomenclature
(d) International Union for Conservation of Nutrients

 

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For better survival of human Indian population, which is the most important Step?
(a) Afforestation
(b) Reduction in population density
(c) conservation of wild life including tribals
(d) Both (a) and (c)

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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?

(a) Amazonian

(b) Tropical

(c) Arctic tundra

(d) Temperate

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Sacred groves in India are found in:

(a) Jaintia hills of Karnataka               (b) Western Ghat regions of Tamil Nadu

(c) Aravalli hills of Meghalaya             (d) Bastar areas of Madhya Pradesh

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The term "The Evil Quartet" is related with:

(a) Four major causes of forest loss    (b) Four major causes of population explosion

(c) Four major causes of air pollution  (d) Four major causes of biodiversity losses

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Given below are pie diagrams A, B and C related to proportionate number of species of major taxa of invertebrates, vertebrates and plants respectively. Critically study and fill in the blanks I, II, III and IV:

(a) I - Molluscs, II - Amphibians, III - Fungi, IV - Angiosperms

(b) I - Molluscs, II - Amphibians, III - Angiosperms, IV - Fungi

(c) I - Hexapoda, II - Amphibians, III - Fungi, IV - Angiosperms

(d) I - Turtles, II - Amphibians, III - Fungi, IV - Angiosperms

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If log A = 4, z = 0.3 and log c = 0.8, what is log S?

(a) 3.76                (b) 100                 (c) 4.24                (d) 2

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