CSS Zoology Past Paper 2013
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.2
(a) Give an account of the life cycle of Fasciola hepatica.
(b) Describe the various types of larval forms found in Crustacea.
Q.3
(a) What is the difference between corallite and coral reef? Give a detailed account of the various forms of coral reefs.
(b) Write an essay on parasitic adaptation in Platyhelminthes.
Q.4
(a) Describe the morphology and microscopic structure of the shell of a gastropod mollusc such as Pila.
(b) Describe the water vascular system of a starfish.
Q.5
Write short notes on the following:
(a) Binary fission in Paramecium
(b) Flame cells
(c) Leishmaniasis
(d) Spicules
SECTION-II
Q.6
(a) Describe various types of hearts found in vertebrates.
(b) Give an account of flight adaptation of birds.
Q.7
(a) Describe the pelvic girdle of a frog with the help of a labelled diagram.
(b) Give a detailed structure of the eye of a frog.
Q.8
Write short notes on the following:
(a) Biting mechanism of snakes
(b) Placenta
(c) Fish scales
(d) Neuron
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 Describe the phenomenon of Mitotic Cell division in animals.
Q. No. 3 Define an allele. Explain Mendel’s principle of Independent assortment with examples.
Q. No. 4 What do you know about sex-linked inheritance? Explain with examples.
SECTION-II
Q. No. 5 Do you believe in “Evolution”? Give evidences in favor of the theory.
Q. No. 6 Define bio-geochemical cycles. Explain ‘Nitrogen’ cycle diagrammatically.
Q. No. 7 What is Darwinism? Differentiate it from Lamarkism. What do you know about the synthesis of Darwinian theory with population genetics?
Q. No. 8 Describe various interactions among animal populations.