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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Conservation hotspots are best described as:

(a) Areas with large numbers of endemic species that are disappearing rapidly

(b) Areas where people are particularly active supporters of biological diversity

(c) Islands that are experiencing high rates of extinction

(d) Areas where native species are being replaced with introduced species

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A keystone species is one that:

(a) Has a higher likelihood of extinction than a non keystone species

(b) Exerts a strong influence on an ecosystem

(c) Causes other species to become extinct

(d) Has a weak influence on an ecosystem

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One of the following statements is incorrect with reference to biodiversity. Identify it:

1. The richest reservoirs of animal and plant life (high species richness) with few or no threatened species are called 'biodiversity hotspots’

2. Biodiversity increases from higher altitudes to lower altitudes

3. Biodiversity decreases from the equator to polar regions

4. Depletion in genetic diversity of crop plants is mainly due to the introduction of better varieties with high yield, disease resistance, etc.

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