Structural Organisation of Animals Book Back Questions

10th Standard EM

    Reg.No. :
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Science

Time : 00:45:00 Hrs
Total Marks : 30
    4 x 1 = 4
  1. In leech locomotion is performed by

    (a)

    Anterior sucker

    (b)

    Posterior sucker

    (c)

    Setae

    (d)

    None of the above

  2. The segments of leech are known as

    (a)

    Metameres (somites)

    (b)

    Proglottids

    (c)

    Strobila

    (d)

    All the above

  3. Mammals are ______________ animals.

    (a)

    Cold blooded

    (b)

    Warm blooded

    (c)

    Poikilothermic

    (d)

    All the above

  4. The animals which give birth to young ones are

    (a)

    Oviparous

    (b)

    Viviparous

    (c)

    Ovoviviparous

    (d)

    All the above

  5. 5 x 1 = 5
  6. The posterior sucker is formed by the fusion of the ___________ segments

    ()

    last 7

  7. The existence of two sets of teeth in the life of an animal is called ______ dentition

    ()

    diphyodont

  8. The anterior end of leech has a lobe-like structure called _____________.

    ()

    anterior sucker

  9. ___________ separate nitrogenous waste from the blood in rabbit

    ()

    kidney

  10. _____________spinal nerves are present in rabbit.

    ()

    37 pairs

  11. 3 x 2 = 6
  12. What does CNS stand for?

  13. Why is the teeth of rabbit called heterodont?

  14. How does leech suck blood from the host?

  15. 2 x 4 = 8
  16. Why are the rings of cartilages found in trachea of rabbit?

  17. How is the digestive system of rabbit suited for herbivorous mode of feeding?

  18. 1 x 7 = 7
  19. Explain the male reproductive system of rabbit with a labelled diagram.

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