Reproduction and Modification in Plants Book Back Questions

7th Standard

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Science

Time : 00:45:00 Hrs
Total Marks : 30
    3 x 1 = 3
  1. Vegetative propagation by leaves takes place in _________.

    (a)

    Bryophyllum

    (b)

    Fungi

    (c)

    Virus

    (d)

    Bacteria

  2. Asexual reproduction in yeast is _________.

    (a)

    Spore formation

    (b)

    Fragmentation

    (c)

    Pollination

    (d)

    Budding

  3. Climbing roots are seen in ______.

    (a)

    Betel

    (b)

    Black pepper

    (c)

    Both of them

    (d)

    None of them

  4. 3 x 1 = 3
  5. After fertilization the ovule becomes _________.

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    seed

  6. Breathing roots are seen in _______ plants.

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    avicennia.

  7. Onion and Garlic are example of _______.

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    Bulb

  8. 3 x 1 = 3
  9. A complete flower has four whorls.

    (a) True
    (b) False
  10. The transfer of pollen to the stigma is known as pollination.

    (a) True
    (b) False
  11. Conical shaped root is carrot.

    (a) True
    (b) False
  12. 2 x 1 = 2
  13. Underground stem __ (1)__ Ginger
    __ (2)__ Runner __ (3)__
    Leaf modification __ (4)__ Acacia
    Root modification sucking Roots __ (5)__
  14. Caly x __ (1)___ __(2) __
    __ (3)__ petal attract insects
    Androecium __ (4)__ Male reproductive part
    __ (5)__ ___ (6)__ Female reproductive part
  15. 2 x 2 = 4
  16. Label the picture given below. Parts of a Flower
    ​​​​

  17. Identify the four plants shown in the following table. Name the different modifications in each of them.

    Name Modification
     Garlic  
     Turnip  
     Rose plant  
     Maize  
  18. 2 x 2 = 4
  19. Define – pollination.

  20. What is tendril?

  21. 2 x 3 = 6
  22. Differentiate bisexual flower from unisexual flower?

  23. Write notes on phyllode.

  24. 1 x 5 = 5
  25. Write a brief account on pollination.

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