Daily Practice Sheet - 310 - rk5mgqg
Daily Practice Sheet - 310 - rk5mgqg
Daily Practice Sheet - 310 - rk5mgqg
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7. According to the concept of species area relation –
(a) The number of species in an area increases with the size of the area.
(b) Large species require larger habitat areas than do smaller species.
(c) Most species within any given area are endemic.
(d) The larger the area, the greater the extinction rate.
8. A species-area relation is used by ecologists to –
(a) Determine the populations density of a species in a certain habitat.
(b) Examine how human populations are growing
(c) Estimate the number of species extinctions resulting from habitat destruction
(d) None
9.
Column I Column II
I. Dodo (A) Rauwolfia
II. Reserpine (B) Mauritius
III. Botanical gardens (C) Khasi and Jaintia hills.
IV. Sacred forests (D) Ex-situ conservation
(a) I – B, II – A, III – D, IV- C
(b) I – D, II – A, III – B, IV – C
(c) I – A, II – C, III – B, IV – D
(d) I – B, II – A, III – C, IV – D
10.
Column I Column II
I. Term biodiversity (A) Edward Wilson
II. In situ conservation (B) Co-extinction
III. Plant pollination (C) On-site conservation
IV. Ex-situ conservation (D) Offsite conservation
(a) I – B, II – A, III – D, IV – C
(b) I – D, II – A, III – B, IV – C
(c) I – A, II – C, III – B, IV – D
(d) I – B, II – A, III – C, Iv – D
Ans.(b) I – D, II – A, III – B, IV – C
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ANSWERS