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Identify each part and write whether it ...

Identify each part and write whether it is haploid (n) or diploid (2n), in a flowering plant.
(a) Ovary (b) Anthre (c) egg (d) pollen (e) male gamete (f) zygote

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(a) Ovary , (b) Anther , (c) Egg , (d) Polln , (e) Male gameter , (f) Zygote
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Identify each part in a flowering plant and write whether it is haploid (n) or diploid (2n). (a) Ovary_____________________ (b) Anther_______________ (c) Egg_________________(d) Pollen ____________ (e) Male gamete____________ (f) Zygote____________

How many given structures are haploid ? Ovary, anther, egg, pollen, male, gamete, zygote

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

Draw a longitudinal section of the pistil from a flowering plant, where pollination has occurred. Label the following: (a) Stigma showing germinating pollen grains (b) Style (c) Pollen tube reaching the micropyle of the ovule (d) Embryo sac (e) Components of the egg apparatus

Write the symbols for the following floral characters - (a) Calyx (b) Actinomorphic flower (c) Bracteate ( d) Inferior ovary ( e) bisexual flower

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MODERN PUBLICATION-REPRODUCTION IN ORGANISMS-NCERT FILE (EXERCISE QUESTIONS)
  1. Why is reproduction essential for organisms?

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  2. Which is a better mode of reproduction : sexual or asexual ? Why ?

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  3. Why is the offspring formed by asexual reproduction referred to as clo...

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  4. Offspring formed due to sexual reproduction have better chances of sur...

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  5. How does the progeny formed from asexual reproduction differ from thos...

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  6. Distinguish between asexual and sexual reproduction. Why is vegetati...

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  7. What is vagetative propagation ? Give two suitable examples.

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  8. Define : (i) Juvenile phase, (ii) Reproductive phase, (iii) Senescent ...

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  9. Higher organisms have resorted to sexual reproduction in spite of its ...

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  10. Explain why meiosis and gametogenesis are always interlinked?

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  11. Identify each part and write whether it is haploid (n) or diploid (2n)...

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  12. Define external fertilization. Mention its disadvantages.

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  13. Differentiate between a zoospore and zygote.

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  14. Differentiate between Gametogensis and Embryogensis.

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  15. Describe the post-fertilization changes in a flower.

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  16. What is a bisexual flower? Collect five bisexual flowers from your nei...

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  17. Examine a few flowers of any cucurbit plant and try to identify the st...

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  18. Why offspring oviparous animals are at a greater risk ?

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