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(a) Explain the term 'fertilisation' ...

(a) Explain the term 'fertilisation'
(b) Give some examples of different modes of fertilisation in nature ?
(c) What type of fertilisation takes place (i) fish, (ii) fish, and (ii) birds ?

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The correct Answer is:
(c) (i) External fertilisation (ii) Internal fetilisation
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LAKHMIR SINGH & MANJIT KAUR-HOW DO ORGANISMS REPRODUCE -QUESTIONS BASED ON HIGH ORDER THINKING SKILLS (HOTS)
  1. (a) Explain the term 'fertilisation' (b) Give some examples of diff...

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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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