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Cell Biology Model Question Paper

7th Standard EM

    Reg.No. :
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Science

Time : 01:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. Basis unit of life.

    (a)

    Cell

    (b)

    Protoplasm

    (c)

    Cellulose

    (d)

    Nucleus

  2. I am the outer most layer of an animal cell. Who am I?

    (a)

    Cell wall

    (b)

    Nucleus

    (c)

    Cell membrane

    (d)

    Nuclear membrane

  3. Which part of the cell is called the brain of the cell?

    (a)

    Lysosome

    (b)

    Ribosome

    (c)

    Mitochondria

    (d)

    Nucleus

  4. _______ helps in cell division

    (a)

    Endoplasmic reticulum

    (b)

    Golgi complex

    (c)

    Cnetrivole

    (d)

    Nucleus

  5. Suitable term for the various components of cell is__

    (a)

    Tissue

    (b)

    Nucleus

    (c)

    Cell

    (d)

    Cell organelle

  6. 5 x 2 = 10
  7. What are the functions of cell wall in plant cell?

  8. Which organelle uses energy from sunlight to make starch?

  9. What are the main things in a nucleus?

  10. Why lysosomes are known as scavengers of the cell?

  11. Teacher said “A virus is not an organism” Do you agree with this statement or not? Explain Why?

  12. 5 x 3 = 15
  13. Why the cell is very important for us?

  14. Distinguish between the following pairs Smooth ER and Rough ER Cell wall and cell membrane Chloroplast and mitochondria

  15. Write correct sequence from cell to organism?

  16. Write a short note on nucleus.

  17. On the lines given below, write about what you have learned from the activities done in this lesson.
    Let me tell you about some of the important things I’ve learned about cells. First, I’ll start with…________________.

  18. 4 x 5 = 20
  19. Write about any three organelles in detail.

  20. In a situation, how to explain, while your friend ask what is this, never seen before?

  21. Compare the plant cell and the animal cell and complete the illustration given below.
     

  22. Virus is called Acellular. Why?

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