Structural Organisation of Animals Model Question Paper

10th Standard

    Reg.No. :
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Science

Time : 01:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. In leeches there are ________pairs of nephridia.

    (a)

    18

    (b)

    18

    (c)

    17

    (d)

    12

  2. The number of cranial and spinal nerves in rabbit are_______ respectively

    (a)

    11 and 36

    (b)

    12 and 37

    (c)

    12 and 36

    (d)

    10 and 37

  3. The_______ glands are modified glands of the skin

    (a)

    perineal

    (b)

    mammary

    (c)

    gastric

    (d)

    salivary

  4. PNSis formed of _______pairs of cranial nerves in Rabbit

    (a)

    10

    (b)

    12

    (c)

    14

    (d)

    16

  5. The third Ventricle in brain of Rabbit lives in______

    (a)

    cerebrum

    (b)

    cerebellum

    (c)

    diencephalon

    (d)

    medulla

  6. 4 x 2 = 8
  7. Write a note on female reproductive system of rabbit

  8. Can leeches cause diseases.

  9. Why does a leech die if you put some salt on it?

  10. 4 x 4 = 16
  11. Describe the heart of rabbit

  12. Explain the Digestive System of Rabbit

  13. Man is a mammal and has incisors and Ecanine.Rabbits are mammals but lack  canines. Explain.

  14. Is hirudin used in medical science

  15. 3 x 7 = 21
  16. Explain the male reproductive system of rabbit with a labelled diagram.

  17. Arjun is studying in tenth standard. He was down with fever and went to meet the doctor. As he went to the clinic he saw a patient undergoing treatment for severe leech bite. Being curious, Arjun asked the doctor why leech bite was not felt as soon as it attaches to the skin ? What would have been the reply given by the doctor?

  18. Shylesh has some pet animals at his home. He has few rabbits too, one day while feeding them he observed something different with the teeth. He asked his grandfather, why is it so? What would have been the explanation of his grandfather?

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