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MAR ATHANASIUS COLLEGE, KOTHAMANGALAM
CBCSS V SEMESTER
ZOOLOGY CORE-EVOLUTION ZOOGEOGRAPHY AND ETHOLOGY
I INTERNAL EVALUATION EXAMINATION 2013
Time 2 hrs
Weightage 18
Objective Type (Compulsory)
Weightage 1
1. The theory of sexual selection was proposed by:
a) Charls Darwin
b) Lamark
c) Mendel
2. The theory of inheritance of acquired characters was proposed by
a) Darwin
b) Lamark
c) De Vries
3. The book Origin of species was written by
a) Darwin
b) Wallace
c) Haeckel
d) Lamark
c) Watson
d) Morgan
4. Mutation theory was proposed by
a) Krebs
b) Hugo de Vries
5. In postulating the theory of evolution by natural selection Darwin was greatly influenced by
a) Mutation theory of Hugo de Vries
c) Malthus idea of population control
6. Charles Darwin toured in a ship for five years
a) Beagle
b) Vikrant
b) Lamark’s theory of acquired characters
d) Environmental factors
c) Philips
d) Alexander
7. The naturalist who formulated the theory of natural selection simultaneously with Charl’s
Darwin was:
a) T H Huxley
b) Alfred Russel Wallace
c) Ernst Mayr.
8. Charle’s Darwin was greatly influenced by the study of the fauna and flora of certain islands
before publishing his Book ‘Origin of species’ which one?
a) Madagascar
b) Galapagos
c) New Guinea
9. Key point of Lamark’s view about organic evolution is that every offspring
a) Is similar to its parents
b) Repeats phylogeny in its ontogeny
b) Shows struggle for existence d) Inherits characters acquired by the parental generation
10. Important raw materials for evolution are
a) somatic variations
b) environmental changes
c) genetic variations
11. There is more competition for survival between
a) Different animals of same niche
c) Different animals of different niche
b) Same animals of same niche
d) same animals of different niche
12. The idea of natural selection as the fundamental process for evolutionary change was reached
a) Independently by Charles Darwin and Alfred Russel Wallace in 1900
b) By Charls Darwin in 1866
c) By Alfred Russel Wallace in 1901
d) Independently by Charles Darwin and Alfred Russel Wallace in 1858
13. Role of isolation in evolution is
a) Differentiation of species b) Maintenance of species
c) Evolution of species
d) Extermination of species
14. For evolutionary success, mutation must occur in
a) Somatic RNA
b) Somatic DNA
c) Germplasm DNA
d) Germplasm RNA
15. The ultimate source of continuous variations is
a) Natural selection
b) Sexual reproduction
c) Hormonal action
d) Mutations
16. A starfish with six arms may be the case of
a) Variation
b) Evolution
c) Autotomy
d) Mutation
Short answers (any four of the following)
Weightage 1
17. What is hybrid breakdown?
18. What is atavism?
19. What are vestigial organs?
20. What is Sewall Wright Effect?
21. What is geographical isolation?
22. What is a Cline?
Short essay (any three of the following)
Weightage 2
23. Describe the major criticisms on Darwinism
24. Briefly mention the anatomical evidences for evolution
25. What are the salient features of Lamarkism
26. Explain the Modern concept of Evolution
Long essay (any One of the following)
27. Explain the zoogeographical features of Australian region
28. Explain the various reproductive isolating mechanisms
Weightage 4