Organisation of Life Model Question Paper

8th Standard

    Reg.No. :
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Science

Time : 01:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. _________make up organs

    (a)

    Cells

    (b)

    Tissues

    (c)

    Organ system

    (d)

    None of the above

  2. _________are called as building blocks of life

    (a)

    Cells

    (b)

    nucleus

    (c)

    Cell organelles

    (d)

    tissues

  3. _______tissues for conduction of nerve impalses

    (a)

    Epithelial

    (b)

    Muscular

    (c)

    Nervous

    (d)

    Supporting

  4. _____is a thin transparent membrane that is spread across the sclera

    (a)

    Cornea

    (b)

    Conjunctiva

    (c)

    Retina

    (d)

    Ciliary body

  5. _________million alveoli located at the end of branchial tubes

    (a)

    480

    (b)

    300

    (c)

    100

    (d)

    200

  6. 5 x 2 = 10
  7. Define cell.

  8. Differ aqueous humour and vitreous humour.

  9. What is homeostasis?

  10. List out the organs which help to maintain homeostasis?

  11. Define Osmoregulation.

  12. 5 x 3 = 15
  13. What is respiration?

  14. Define basal metabolism?

  15. Define organ

  16. What is the significance of stem cell?

  17. Write down the classification of animal tissues.

  18. 4 x 5 = 20
  19. Write a note on external structure of an eye.

  20. Describe the structure of human lungs.

  21. Explain the term Osmoregulation.

  22. Explain the structure of an animal cell.

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