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Observe the diagram (a) Copy this diag...

Observe the diagram
(a) Copy this diagram in your answer sheet and mark the following parts. Intine ,exine ,vegetative nucleus, generative cell .
(b) What is this structure ?
What is the ploidy of the given structure ?

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(b) This is a mature pollen grain
(c ) The structure is haploid .
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NEW JOYTHI PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS -New Evaluation Type Questions
  1. Endothecium, Tapetum, Epidermis ,Middle layers. These are the parts o...

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  2. Angiosperms produce male and female reproductive structures in which m...

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  3. Observe the diagram (a) Copy this diagram in your answer sheet and m...

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  4. Observe the given diagram (A) What is the structure shown here ? ...

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  5. Fertilization in angiosperms is called as "double fertilization" becau...

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  6. The formation of primary endosperm nucleus is called as triple fusion ...

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  7. Name of some parts of female reproductive structure before fertilizati...

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  8. Cleistogamous flowers are invariably autogamous . Explain.

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  9. Compare the given pair and fill up the blanks . (a) Grasses : Wind ...

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  10. Water is considered as the pollinating agent in some plants. Name any ...

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  11. Autogamy geitonogamy and xenogamy are the three types of pollination b...

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  12. Continuous self pollination results in inbreeding depression . Floweri...

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  13. Removal of anthers from the flower bud of female parent is an importan...

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  14. Endosperm is the nutritive tissue of growing embryo . Inside a tender ...

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  15. Embryo is the structure developed from a zygote after many divisions. ...

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  16. All fruits are produced from the ovary of a fertilized flower . Write ...

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  17. Fruits are formed for the protection of seeds . But certain fruits are...

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  18. Find the relation of the plant Lupinus arcticus with seed dormancy.

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  19. Apomixis is a form of asexual reproduction that mimics sexual reproduc...

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  20. Apomixis will reduce the cultivation cost of hybrid plants . Explain.

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