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Reproduction in Plants and Animals Model Question Paper

10th Standard EM

    Reg.No. :
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Science

Time : 01:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. Pollination with the help of insects like honey bees, flies are called_________

    (a)

    Entomophilly

    (b)

    Anemophily

    (c)

    Hydrophily

    (d)

    Zoophily

  2. ________is a disc shaped structure.

    (a)

    Uterus

    (b)

    Placenta

    (c)

    Ovary

    (d)

    Sperm

  3. Milk production from alveoli of mammary gland is stimulated by_______

    (a)

    Prolactin

    (b)

    Insulin

    (c)

    Oxytocin

    (d)

    Estrogen

  4. Theejection of milk is stimulated byposterior pituitary hormone called_____

    (a)

    Prolactin

    (b)

    Insulin

    (c)

    Oxytocin

    (d)

    Estrogen

  5. Breaking of the filament into many fragments is called_____________

    (a)

    Fission

    (b)

    Fragmentation

    (c)

    Budding

    (d)

    Regeneratio

  6. 4 x 2 = 8
  7. What is menstrual cycle?

  8. Define self-pollination

  9. How are identical twins formed in Human being?

  10. Mention any two ways of maintaining toilet  hygiene.

  11. 4 x 4 = 16
  12. Write a note on agents of pollination.

  13. Describe the structure of human sperm.

  14. Explain the process of fertilization in plants?

  15. My friend Manisha received a marriage  proposal from a boy living abroad. Before they met and finalised the wedding, Manisha ~ requested her parents to get the boy's blood  test report. E
    (i) Do you think blood test report is i necessary for both boy & girl?  
    (ii) Do you think, blood test report is not " necessary for the boy living in India?

  16. 3 x 7 = 21
  17. In angiosperms the pollen germinates to produce pollen tube that carries two gametes. What is the purpose of carrying two gametes when single gamete can fertilize the egg?

  18. Why menstrual cycle does not take place before puberty and during pregnancy ?

  19. Read the following passage and answer the questions that follow
    Rahini and her parents were watching a television programme. An advertisement fl ashed on the screen which was promoting use of sanitary napkins. Rahini’s parents suddenly changed the channel, but she objected to her parents and explained the need and importance of such advertisement.
    a) What is first menstruation called? When does it occur ?
    b) List out the napkin hygiene measures taken during menstruation ?
    c) Do you think that Rahini’s objection towards her parents was correct? If so, Why?

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