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Arrange the following terms in the corre...

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

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

Pollen grains are male gametes.

Arrange the following terms in the correct developmental sequence in flowering plants... a. Sperms , b. Heart-shaped embryo , C. Syngamy, d. Microspore mother cell , e. Sporic meiosis , f. Globular embryo

Pollen grains are the carrier of male gametes in

Sometimes more than 4 pollen grains are produced from one microspore mother cell, it is called

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 fungi, both male and female gametes are non-motile. c. In seed plants, pollen grains are the carrier of male gametes 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.

Consider the following statements with respect to the flowering plants and choose the correct option (a) Pollen grains represent the male gametes (b) Functional megaspore develops innto embryo sac that represents the female gamete (c) Transfer of pollen grains from anther to stigma of different plant is known as xenogamy (d) Transfer of pollen grains from anther to stigma of another flower of the same plant is known as geitonogamy

During formation of pollen grains, a microspore mother cell undergoes

The process of formation of microspores from pollen mother cell (PMC) through meiosis is called

Describe in sequence the events that lead to the development of a 3-celled pollen grain from microscope mother cell in angiosperms.

ALLEN-REPRODUCTION IN ORGANISMS & SEXUAL REPRODUCTION IN FLOWERING PLANTS-Question
  1. Explain the role of tapetum in the formation of pollen-grain wall .

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  2. What is apomixis and what is its importance?

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  3. Arrange the following terms in the correct developmental sequence: Po...

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  4. Describe the mutual relationship between fig tree and wasp and comment...

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  5. It sweet potato analogous or homologous to potato tuber ? Give reasons...

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  6. Why do moss plants produce very larg number of male gametes ? Provide ...

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  7. AMOSS Plant is unable to complete its life-cycle in a dry environment....

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  8. How do plants produce seeds through apomixis? Explain with the help of...

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  9. Geitonogamous flowering plants are genetically autogamous but function...

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  10. What would happen if syngamy does not occur ?

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  11. What do you think -is vegetative reproduction also a type of asexual r...

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  12. In potato, sugarcane, banana ginger and dahlia, the new plantlets inva...

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  13. How long does it take form marigold, rice, wheat, coconut, mango plant...

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  14. What is vegetative propagation? Give two suitable examples

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  15. Identify each part in a flowering plant and write whether it is haploi...

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  16. Differentiate between gametogenesis from embryogenesis.

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  17. What are chasmogamous flowers? Can cross-pollination occur in cleistog...

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  18. Make a list of any three outbreeding devices that flowering plants hav...

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  19. Differentiate between microsporogenesis and megasporogenesis. Which ty...

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  20. Why are angiosperm anthers called dithecous ? Describe the structure o...

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