CSS Zoology Past Paper 2011
Paper-I
PART-2(Subjective) 80 Marks
Attempt ONLY FOUR Questions from PART-II by selecting TWO questions from EACH
SECTION. (20×4)
PART-II
SECTION-I
Q. No. 2
(a) Describe reproduction in Paramecium.
(b) Explain the different kinds of spicules in Porifera.
Q. No. 3
(a) Discuss polymorphism in Coelenterates.
(b) Explain the life cycle of Obelia.
Q. No. 4
(a) What are Platyhelminths?
(b) Describe the life cycle of any medically important Platyhelminth.
Q. No. 5
Write short notes on:
(a) Metamerism
(b) Mouth parts of insects
(c) Foot in Mollusca
(d) Larvae of Echinoderm
SECTION-II
Q. No. 6
(a) Give an account of the arterial system of a pigeon.
(b) Explain the hepatic portal system.
Q. No. 7
(a) What is Gastrulation? Describe gastrulation in a frog.
(b) Write an essay on parental care in mammals.
Q. No. 8 Write short notes on:
(a) Hairs in mammals
(b) Development of bone
(c) Fish migration
(d) Egg types
Paper-II
PART-2(Subjective) 80 Marks
Attempt ONLY FOUR Questions from PART-II by selecting TWO questions from EACH
SECTION. (20×4)
PART-II
SECTION-I
Q. No. 2
(a) Describe the structure, chemical composition, and function of the Golgi complex.
(b) Explain the transport mechanism of the plasma membrane.
Q. No. 3
(a) Differentiate between Mitosis and Meiosis cell division.
(b) Define linkage with examples.
Q. No. 4
(a) What are respiratory pigments? Describe hemoglobin in detail.
(b) Explain the digestion of proteins.
Q. No. 5
(a) Describe the main components of the nervous system.
(b) How is a nerve impulse generated in a neuron?
SECTION – II
Q. No. 6
(a) Explain Darwin’s theory about evolution.
(b) Give an account of the species concept.
Q. No. 7
(a) Differentiate between complete and incomplete ecosystems.
(b) Describe air pollution.
Q. No. 8 Write short notes on the following:
(a) Evolutionary trend
(b) Phylogeny
(c) Multiple alleles
(d) Fossils