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Arrange the following terms in the corre...

Arrange the following terms in the correct development sequence : Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes.

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Sporogenous tissue, pollen mother cell, microspore tetrad, pollen grain, male gametes.
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Arrange the following in a sequence of stages of microsporogenesis (l) Microspore tetrads II. Microspore Mother cell III. Sporogenous tissue IV. Microspores dissociate from each other V. Release of pollen grains The correct sequence of stages is

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Read the following statements and find out the incorrect statements. a. In majority of organisms, male gamete is motile and female gamete is non-motile (stationary). b. In algae and fingi, both male and femla egaetes are non-motile. c. In seed plants, pollen grains are the carrier of male gaemtes and ovule has the egg. d. In dioecious plants, pollination facilitates trasnfer of pollen grains to the stigma. e. In monoecious animals, since male and female gametes are formed in different individuals, the organism must evolve special mechanism for gamete transfer.

MODERN PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-NCERT (Exercise Questions)
  1. Name the parts of an angiosperm flower in which development of male an...

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  2. Differentiate between microsprogenesis and magasporogenesis. Which typ...

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  3. Arrange the following terms in the correct development sequence : Poll...

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  4. With a neat, labelled diagram, describe the parts of a typical angiosp...

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  5. What is meant by monosporic development of female gametophyte?

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  6. With a neat diagram explain the 7-celled, 8-nucleate nature of the fem...

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  7. What are chasmogamous flowers ? Can cross-pollination occure in cleist...

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  8. Mention two strategies evolved to prevent self-pollination in flowers.

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  9. What is self-incompatibility? Why does self-pollination not lead to se...

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  10. What is bagging technique? How is it useful in a plant breeding progra...

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  11. What is triple fusion? Where and how does it take place? Name the nucl...

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  12. Why do you think the zygote is dormant for sometime in a fertilized ov...

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  13. Differentiate between: (a) Hypocotyl and epicotyl, (b) Coleoptil...

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  14. Why is apple called a false fruit? Which part(s) of the flower forms t...

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  15. What is meant by emasculation? When and why does a plant breeder emplo...

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  16. If one can induce parthenocarpy through the application of growth subs...

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  17. Explain the role of tapetum in the formation of pollen-grain wall .

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  18. What is apomixis and what is its importance ?

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