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(a) Write the names of (a) male sex horm...

(a) Write the names of (a) male sex hormone, and (b) female sex hormones
(b) What name is given to the fusion of sperm and ovum?
(c) Name the tissue through which the foetus gets all the requirements from the mother's body.

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The correct Answer is:
(a). Testosterone, Estrogen (b). Fertilisation (c). Placenta
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LAKHMIR SINGH & MANJIT KAUR-HOW DO ORGANISMS REPRODUCE -QUESTIONS BASED ON HIGH ORDER THINKING SKILLS (HOTS)
  1. (a) Write the names of (a) male sex hormone, and (b) female sex hormon...

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  2. There are four tiny organisms A,B, C and D. The organism A is a parasi...

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  3. Two very small organisms X and Y both reproduce by the method of buddi...

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  4. When a moist slice of bread was kept aside for a few days then some or...

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  5. A scientist removed some cells from the growing point of a plant and p...

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  6. The stem of fruit tree X fixed in soil is cut in a slanting way. The u...

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  7. A small part of the shoot of a plant is removed with a sharp knife. Wh...

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  8. When the branches of a plant growing in the field are pulled towards t...

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  9. A worm X found in freshwater and slow -moving streams has been acciden...

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  10. A thickened underground stem X of a plant which is swollen with stored...

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  11. A filamentous alga X is found is ponds, lakes and slow-moving steams. ...

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  12. When a broken piece of the stem of a plant X is planted in the soil, a...

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  13. The flask-shaped organ A at the center of a flower is surrounded by a ...

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  14. When an insect sits on the flower of a plant them some particles A pre...

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  15. When a human female reaches a certain age then vaginal bleeding occure...

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  16. X and Y are two human beings. The organ A in the reproductive system o...

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  17. When a fertilised egg E formed in the oviduct of a human female divid...

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  18. When a female child is born, her ovaries already contain thousands of ...

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  19. In the surgical method of birth control available for males, the struc...

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  20. In the surgical method of birth control available for human females, t...

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  21. The human males use a device X made of a very thin rubber sheet as a c...

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