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Starting with the zygote, draw the diagr...

Starting with the zygote, draw the diagrams of the different stages of embryo development in a dicot.

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Note : The early stages of embryogeny (embryo development) in both monocotyledons and dicotyledons are similar. In care of monocotyledonous embryo a singla cotyledon is present.
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NCERT EXEMPLAR-SEXUAL REPRODUCTION IN FIOWERING PIANTS-Sexual Reproduction In Fiowering Piants
  1. Which is the triploid tissue in a fertilised ovule? How is the triploi...

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  2. Are pollination and fertilisation necessary in apomixis? Give reasons.

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  3. Identify the type of carpel with the help of diagrams given below

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  4. How is pollination carried out in water plants?

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  5. What is the function of the two male gametes produced by each pollen g...

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  6. List three strategies that a bisexual chasmogamous flower can evolve t...

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  7. Given below are the events that are observed in an artificial hybridis...

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  8. Vivipary automatically limits the number of offsprings in a litter. Ho...

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  9. Does self-incompatibility impose any restrictions on autogamy? Give re...

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  10. In the given diagram, write the names of parts shown with lines.

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  11. What is polyembryony and how can it be commercially exploited?

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  12. Are parthenocarpy and apomixis different phenomena ? Discuss their ben...

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

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  14. The generative cell of a two celled pollen divides in the pollen tube,...

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  15. In the figure given below label the following parts-male gametes, egg ...

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  16. Starting with the zygote, draw the diagrams of the different stages of...

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  17. What are the possible types of pollinators in chasmogamous flowers. Gi...

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  18. With a neat, labelled diagram, describe the parts of a mature angiospe...

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  19. Draw the diagram of a microsporangium and lable its wall layers.Write ...

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  20. Can an unfertilised, apomictic embryo sac give rise to diploid embryo ...

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