CBSE
Evolution of different species in a given geographical area, starting from a point and spreading to other geographical areas is known as
Geographic isolation
Migration
Parallel evolution
Natural selection
Natural selection
Match the hominids with their correct brain size :
A. Homo habilis | i. 900 cc |
B. Homo neanderthalensis | ii. 1350 cc |
C. Homo erectus | iii. 650 - 800 cc |
D. Homo sapiens | iv. 1400 cc |
Select the correct option
A - iii; B - ii; C - i; D - iv
A - iii; B - iv; C - i; D - ii
A - iv; B - iii; C - i; D - ii
A - iii; B - i; C - iv; D - ii
In a population, a gene has two alleles 'A' and 'a'. The frequency of allele 'A' is 0.4. What will be the frequency of allele 'a'?
0.4
0.6
0.48
0.16
0.16