Zoology CSS Paper II 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. Which of the following is the direct source of energy for muscle contraction
    (a) ATP (b) Creatine phosphate (c) Lactic acid (d) glucose (e) None of these

  2. muscle fatigue is caused by
    (a)Carbon dioxide (b) lactic acid (c) Fumaric acid (d) ethyl alcohol (e) None of these

  3. the functional unit of skeletal muscle is
    (a) actin filament (b) sarcomere (c) Z-line (d) Myosin filament (e)None of these

  4. we would describe the layered., flat, scaly epithelium of human skin as:.
    (a) simple squamous (b) stratified squamous (c) Stratified columnar (d) pseudostratified cuboidal (e)None of these

  5. Which of the following is not considered as the tissue:
    (a) cartilage (b) mucous membrane lining in the stomach (c) blood (d) brain (e)None of these

  6. As a zoologist you would look for looping movement in:
    (a) Earthworms (b) polychaetes (c) echinoderms (d) leeches (e)None of these

  7. the elements of the nervous system which help in co-ordination are:-
    (a) Receptors (b) neurons (c) effectors (d)all of these (e)None of these

  8. the distal end of which of these neurons lie adjacent to blood stream:
    (a) afferent neurons (b) efferent neurons (c) Interneurons (d) neurosecretory system (e)All of these

  9. the electric potential that exists across a cell membrane is:-
    (a) resting membrane potential (b) active membrane potential (c) Automatic potential (d) All of these (e) None of these

  10. A nerve is a collection of :
    (a) collection of neurons (b) concentrations of dendrites and axons (c) Bundles of axons or dendrites of neurons (d) Bundles of axons or dendrites bounded by connective tissues (e) None of these

Section A

Q.2. Describe the phenomenon of mitotic cell division in animals.(20)
Q.3. Define an allele. Explain mendel’s principle of independent assortment with examples. (20)
Q.4. What do you think about the sex-linked inheritance? Explain with examples.(20)


Q.5. Do you believe in ”Evolution”. Give evidences in favour of the theory. (20)
Q.6. Define biogeochemical cycles. Explain ‘Nitrogen’ cycle diagrammatically. (20)
Q.7. What is Darwinism? Differentiate it from Lamarckism. What do yo know about synthesis of Darwinian theory with population of genetics?(20)
Q.8. Describe Various interactions among animal populations. (20)


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