M.Sc. (Zoology) (Semester (CBCS) Examination, 2017
Populations Genetics and Evolution
Day Date: Tuesday, 25-04-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instruction Questions 1 is compulsory.
Figures to the right indicate full marks
Q.1 Multiple choice questions. (Per question 2 marks) 07
Sympatic species that ate morphologically similar but reproductively
isolated is called
Deme Species Subspecies Sibling
According to Mayer species is of evolution.
Key Keystone
Keypattern Keypoint
According to Founder Principle when a new population is established in
population, its gene pool is not identical with that of parent population
because of
Objective error Sampling error
Creative error Standard error
Which are not vestigial organs
Vermiform appendix Coccyx in man
Nictitating membrane Ear pinnae
Which is the chemical mutagen effects on nucleotide sequence
5-Bromouracil 4-Bromouracil 3-Bromouracil 2-Bromouracil
Darwin's finches are example of
Reproductive isolation Prezygotic isolation
Post zygotic isolation Adaptive radiation
Genetic drift is also called
Sewall Wright Effect Lamarckism effect
Drawinism effect Mayr Effect
Q.2 Describe patterns and mechanism of reproductive isolation. 14
Q.3 Answer the following:
Describe Darwin's theory of evolution. 07
Describe mechanism of speciation. 07
Page 1 of 2
Q.4 Explain the following:
Anatomical evidence in evolution 05
Variation adaptation 05
Allopatric evolution 04
Q.5 Explain in short:
Give detailed account of destabilizing forces 07
Give account on phylogenetic and biological concept of speciation 07
Q.6 Write short note on (any four) 14
Hardy-Weinderg law
Vestigial organs
Theory of chemical origin of life
Base substitution
Germplasm theory
Gene evolution