M.Sc. (Semester (CBCS) Examination Oct/Nov-2017
Zoology
POPULATION GENETICS AND EVOLUTION
Day Date: Thursday, 23-11-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: Question number 2 and 6 are compulsory.
Attempt any two from Question No. 4 and 5.
Q.1 Multiple choice questions(Per question 2 marks): 14
Darwin's Finches are example of
Reproduction isolation Post zygotic isolation
Adaptive radiation Pre zygotic isolation
Industrial melanic peppered moth is called
Carbonaria Glossina
Lepsima Coptoterms
Founder principle was proposed by
Charles Darwin Lamark
Mayr and Sheppered Hugo de veris.
The random changes in gene frequency by chance a small population is

Mutation Genetic drift
Gene pool Genetic drift
Directional selection produces a shift of the population in one direction due
to a in the environment in a particular direction.
Change Unchanged
Constant Equilibrium
Which is the equation of Hardy- Weinberg equilibrium?
P x q=1 p ÷ q=1
p q=1 p q=1
When the population is in genetic equilibrium, the rate of evolution
Increase Decreases
Zero Constant
Q.2 Explain the Hardy Weingberg law of genetic equilibrium with suitable
example.
14
Q.3 Answer the following
Explain principle of Lamarckism. 07
Describe mechanism of speciation. 07
Q.4 Explain the following
Natural selection. 05
Anatomical evidences in evolution. 05
Darwin Finches. 04
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Q.5 Explain in short
Describe patterns and mechanism of reproductive isolation. 07
Give detailed account of destabilizing forces. 07
Q.6 Write short notes on any four of the following: 14
Germplasm theory.
Industrial melanism.
Evolution in gene family.
Genetic Drift.
Base substitution.
Theory of chemical origin of life.