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Chapter 24 - Evolution - 2
1.
In Hardy Weinberg’s equation i.e. P
2
+2Pq +q
2
=1 P-Stands for.
a) None
b) Frequency of whole gene pool
c) Both a & b
d) Gene frequency of one allele
2.
The tropical rain forests have been reduced to _____ of their original extent:
a) 10 %
b) 84 %
c) 20 %
d) 44 %
3.
The smallest biological unit that can evolve over time is:
a) A species
b) An Ecosystem
c) A Community
d) A population
4.
The first eukaryotic cell appeared about _______ years ago:
a) 3.5 billion
b) 3.9 billion
c) 2.4 billion
d) 1.5 billion
5.
The “Ontogeny recapitulates phylogeny” supports the evidence from:
a) Fossil Record
b) Comparative Anatomy
c) Comparative embryology
d) Molecular Biology
6.
If all the members of a population are homozygous for the same allele then that allele is:
a) Normal
b) Variable
c) Fixed
d) Abnormal
7.
The species which are near to become endangered are called as:
a) None
b) Wild species
c) Endangered species
d) Threatened species
8.
The study of total aggregate of genes in a population at any one time is known as
a) Cytogenetics
b) Population genetics
c) Molecular biology
d) Embryology
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