Zoology CSS Paper I 2013

NOTE: (i) First attempt PART I (MCQs) on separate Answer Sheet which shall be taken back after 30 minutes.
(ii) Overwriting/cutting of the options / answers will not be given credit.

  1. Metamerically segmented worms belong to phylum:
    (a) Nematoda (b) platyhelminthes (c) Annelida (d). None of these

  2. Which of the following is multiflagellate protozoa?
    (a) ceratium (b)Noctiluca (c) Leishmania (d). None of these

  3. Spicules are secreted by:
    (a) Scleroblasts (b) nematoblasts (c) endoblasts (d) None of these

  4. Which of the following is the porous opening through which water enters the hydrocele of an echinoderm?
    (a) pedicellaria (b) tube feet (c)Madreporite (d) None of these

  5. The body cavity of most triploblastic animals formed by splitting of mesoderm into an outer and inner layer is called
    (a) coelenteron (b) coelom (c) colon (d) None of these

  6. Compound eyes are found in
    (a) platyhelminthes (b) echinodermata (c) Mollusca (d) None of these

  7. Egg laying mammals are placed in sub-class:
    (a) Metatheria (b) prototheria (c) theria (d) None of these

  8. Open circulatory system is found in :
    (a) Birds (b) Earthworms (c) cockroach (d). none of these

  9. Bivalve mollusks are usually:
    (a) scavengers (b) deposit feeders (c) filter feeders (d). none of these

  10. The pillar or central axis around which the whorls of gastropods shell are coiled is called:
    (a) columella (b) collembola (c) colloblasts (d) None of these

  11. The ninth vertebrae of frog is called:
    (a) cervical (b) Sacral (c) Urostyle (d) None of these

  12. The stage in embryo in which the primary germ layers have been laid down is called:
    (a) gastrula (b) blastula (c) morula (d) None of these

  13. A fish which migrate down river to spawn in the sea is called:
    (a) anadromous (b) catadromous (c) dromiacea (d) None of these

  14. Which of the following has four chambered heart?
    (a) Dog fish (b) Frog (c) Birds (d) All of these

  15. Facets by which vertebrae articulates with one another are called:
    (a) Metapophysis (b) parapophysis (c) Zygapophyses (d) None of these

  16. The inner membrane of the two foetal membrane in reptiles, birds and mammals is called:
    (a) Amnion (b) chorion (c) peritoneum (d) None of these

  17. Amphioxus is an example of :
    (a) Urochordata (b) cyclostomata (c) hemichordata (d) None of these

  18. Filarial worm (genus wuchereria) belong to phylum:
    (a) Nematoda (b) platyhelminthes (c) annelids (d) None of these

  19. Notochord is formed from primary :
    (a) ectoderm (b) mesoderm (c) endoderm (d) all of these

  20. Shell fish includes:
    (a) shrimp, crabs and eel fish (b) dog fish, crabs, and lobsters (c) lobsters, crabs and shrimps (d) ALL of these


Section A

Q.2 (a)Give an account of life cycle of Fasciola hepatica. (10)
(b) Describe the various types of larval forms found in crustacea. (10)

Q.3. (a) what is the difference between corallite and coral reef? Give an account of of the various forms of coral reefs. (10)
(b) write an essay on parasitic adaptation in platyhelminthes. (10)

Q.4 (a) describe the morphology and microscopic structure of the shell of a gastropod mollusc such as pila. (10)
(b) Describe the water vascular system of star fish. (10)

Q.5. Write short notes on Following:- (5 each)
(a) binary fission in paramecium (b) Flame cell (c) Leishmaniasis (d) spicules

Section B

Q.6. (a) Describe various types of heart found in the vertebrates. (10)
(b) give an account of flight adaptation of birds. (10)

Q.7. (a) Describe the pelvic girdle of heart found in the vertebrates. (10)
(b) Give a detailed structure of the eye of frog. (10)

Q.8. write short notes on the following:
(a) Biting mechanism of snakes (b) placenta (c) fish scales (d). Neuron


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