ZOO/III/03 Student's Copy
2 0 1 8
Pre-CBCS
3rd Semester
ZOOLOGY
THIRD PAPER
Evolution and Behaviour
Full Marks 55
Time 2½ hours
PART A—OBJECTIVE
Marks 20
The figures in the margin indicate full marks for the questions
SECTION—A
Marks 5
Tick the correct answer in the brackets provided 1×5=5
1. The founder of modern theory of evolution was
Charles Darwin
Lamarck
Carolus Linnaeus
Francis Bacon
2. The 'Age of Reptiles' applies to
Cenozoic Era
Paleozoic Era
Mesozoic Era
Proterozoic Era
/222 1 Contd.
3. The largest zoogeographical realm is
Ethiopian Region
Palaearctic Region
Neoarctic Region
Oriental Region
4. The principle of dancing in bees was discovered by
Katy Payne
Konrad Lorenz
Nikolaas Tinbergen
Karl von Frisch
5. The hormone responsible for development of mammary gland is
luteinizing hormone
testosterone
gonadotrophic hormone
somatotrophic hormone
SECTION—B
Marks 15
Write short notes on the following in 5-7 sentences each 3×5=15
1. Lamarckism
2. Cambrian explosion
3. Volant adaptation
4. Imprinting
5. Paternal care
ZOO/III/03/222 2 Contd.
PART B—DESCRIPTIVE
Marks 35
The questions are of equal value
1. Explain the principle of Darwin's theory of natural selection.
OR
Describe the high altitude adaptation in humans.
2. Write the concepts of RNA world hypothesis.
OR
Explain the evolutionary steps in horses.
3. Discuss the Hominid fossils most relevant to the evolution of human.
OR
What is mimicry? Compare Batesian and Mullerian mimicry with suitable
examples.
4. Define and differentiate innate and learned behaviours with examples.
OR
Give an account on infrasound and echolocation in animals.
5. Explain the territoriality in animals and the types of territorial markers.
OR
Describe the evolutionary arm race between two groups of animals.