CSS Zoology Past Paper 2020
PART-2(Subjective) 80 Marks
Attempt ONLY FOUR Questions from PART-II. (20×4)
PART-II
Q. No. 2 Explain in detail the circulation, gas exchange, and temperature regulation in reptiles.
Q. No. 3 Describe various hormones of the mammalian adrenal gland with their functions.
Q. No. 4 Write a detailed account on maintenance functions of class Arachnida.
Q. No. 5 Define linked genes. Explain in detail the inheritance of X-linked recessive genes.
Q. No. 6 Explain the body wall, digestion, nervous system, and sensory organs of flatworms.
Q. No. 7 How does excretion and osmoregulation occur in mammals?
Q. No. 8 Write short notes on any FOUR of the following:
(a) Hardy-Weinberg theorem
(b) Sedimentary cycle
(c) Metamerism
(d) Mechanism of neuron action
(e) Invertebrate sensory receptors
(f) Gas exchange in mammals