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In the embryos of a typical dicot and a ...

In the embryos of a typical dicot and a grass, true homologous structures are

A

coleorrhiza and coleoptile

B

coleoptile and scutellum

C

cotyledons and scutellum

D

hypocotyl and radicle

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The correct Answer is:
C
A typical dicotyledonous embry consists of two cotyledons. While, embryos of monocotyledons possess only one cotyledon and it is called scutellum ( in grass ).
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NCERT EXEMPLAR-SEXUAL REPRODUCTION IN FIOWERING PIANTS-Sexual Reproduction In Fiowering Piants
  1. In an embryo sac, the cells that degenerate after fertilisation are

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  2. While planning for an articifical hybridisation programmme involving d...

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  3. In the embryos of a typical dicot and a grass, true homologous structu...

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  4. The phenomenon observed in some plants wherein parts of the sexual ap...

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  5. In a flower, if the megaspore mother cell forms magaspores without und...

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  6. The phenomenon wherein, the ovary develops into a fruit without fertil...

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  7. Name the component cells of the 'egg-apparatus' in an embryo sac.

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  8. Name the part of gynoecium that determines the compatible nature of po...

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  9. Name the common function that cotyledons and nucellus perform.

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  10. Complete the following flow chart

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  11. Indicate the stages where meiosis and mitosis occur (1, 2 or 3 ) in th...

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  12. In the diagram given below, show the path of a pollen tube from the pl...

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  13. Name the parts of pistil which develop into fruit and seeds.

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  14. In a case of polyembryony if an embryo develops from the synergid and ...

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

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  16. The three cells found in a pollen grain when it is shed at 3-celled st...

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  17. What is self-incompatibility ?

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  18. Name the type of pollination in self-incompatible plants.

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  19. Draw the diagram of a mature embryo sac and show its eight -uncleate, ...

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  20. Which is the triploid tissue in a fertilised ovule? How is the triploi...

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