Structural Organisation of Animals English Medium Free Online Test 1 Mark Questions 2020-2021

10th Standard

    Reg.No. :
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Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. In leech locomotion is performed by

    (a)

    Anterior sucker

    (b)

    Posterior sucker

    (c)

    Setae

    (d)

    None of the above

  2. Pharyngeal ganglion in leech is a part of

    (a)

    Excretory system

    (b)

    Nervous system

    (c)

    Reproductive system

    (d)

    Respiratory system

  3. The brain of leech lies above the

    (a)

    Mouth

    (b)

    Buccal Cavity

    (c)

    Pharynx

    (d)

    Crop

  4. The animals which give birth to young ones are

    (a)

    Oviparous

    (b)

    Viviparous

    (c)

    Ovoviviparous

    (d)

    All the above

  5. In leeches there are ________pairs of nephridia.

    (a)

    18

    (b)

    18

    (c)

    17

    (d)

    12

  6. The ovaries ofleech lies in the ________segment.

    (a)

    10th

    (b)

    11th

    (c)

    13th

    (d)

    15th

  7. The_______ glands are modified glands of the skin

    (a)

    perineal

    (b)

    mammary

    (c)

    gastric

    (d)

    salivary

  8. Dental formula of rabbit is______

    (a)

    \(\cfrac { 2033 }{ 1023 } \)

    (b)

    \(\cfrac { 2003 }{ 1003 } \)

    (c)

    \(\cfrac { 2030 }{ 1020 } \)

    (d)

    \(\cfrac { 2023 }{ 1220 } \)

  9. Each kidney is made up of several___________

    (a)

    mascula

    (b)

    nephrons

    (c)

    cortex

    (d)

    epididymis

  10. The third Ventricle in brain of Rabbit lives in______

    (a)

    cerebrum

    (b)

    cerebellum

    (c)

    diencephalon

    (d)

    medulla

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