Evolution Question 93

93. Two geographical regions separated by high mountains are

[1994]

(a) Oriental and Australian

(b) Palaearctic and Oriental

(c) Nearctic and Palaearctic

(d) Neotropical and Ethiopian

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Answer : b

Hints & Solution

(b) Dr. P. L. Sclater, 1858 divided the world into 6-regions on the basis of distribution of birds only, later in 1876 A.R. Wallace adopted it for all the animals. These six realms (regions) support evidence of organic evolution.