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A moss plant produces a large number of ...

A moss plant produces a large number of antherozoids but relatively only a few egg cells. Why ?

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In moss the eggs are located in the archgonium. For fertilising them, antherozoids swim in water to reach the eggs. Their production in large number increases the chances of fertilisation
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TRUEMEN BIOLOGY ENGLISH-REPRODUCTION-SECTION-B
  1. A fertilized egg is the blue print of future development. Explain

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  2. Describe the Lactational Amenorrhea method of birth control

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  3. A moss plant produces a large number of antherozoids but relatively on...

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  4. Mention the reasons for difference in ploidy of zygote and primary end...

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  5. How many haploid cells are present in matue female gametophyte of a fl...

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  6. Placenta acts as an endocrine tissue. Justify.

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  7. The number of taxa exhibiting asexual reproduction is drastically redu...

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  8. Draw the sketch of a zoospore and a conidium. Mention two dissimilarit...

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  9. Given below are the events that are observed in an artificial hybridiz...

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  10. Why does the zygote begin to divide only after the division of primary...

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  11. Corpus luteum in pregnancy has a long life. However if fertilisation d...

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  12. What are the events that take place in the ovary and uterus during fol...

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  13. Given below is a flow chart showing ovarian changes during menstrual c...

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  14. In GIFT, gametes are transferred to the fallopian tube. Can gametes be...

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  15. Briefly explain IVF and ET, What are the conditions in which these met...

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  16. All reproductive tract infections are STDs, but all STDs are not RTIs....

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  17. What do you understand by amniocentesis ? Why is there a statutory ba...

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  18. When and where do chorionic villi appear in humans ? State their funct...

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  19. (a) How does cleistogamy ensure autogamy? (b) State one advantage an...

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  20. Explain the steps that ensure cross pollination in an autogamous flowe...

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