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............is a carotenoid derivative o...

............is a carotenoid derivative of exine layer which provides resistance to pollen grains.

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The correct Answer is:
Sporopollenin
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FULL MARKS-ASEXUAL AND SEXUAL REPRODUCTION IN PLANTS-Additional Questions (1- Mark Questios)
  1. Which of the following characters does not exist in Ornithophilous flo...

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  2. Which of the following plant was introduced as a contaminant into Indi...

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  3. ............is a carotenoid derivative of exine layer which provides r...

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  4. Common type of ovule found in majority of the plants ……….. .

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  5. Identify the incorrect statement about the Gram positive bacteria

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  6. Generally the pollen grains are liberated from anther at ........

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  7. Assertion (A) : Self - pollination is certain in cleistogamous flowers...

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  8. Assertion (A) : Entamophily is the most common type of pollination R...

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  9. Statement 1 : Primary sporogenous cell functions as megaspore mother c...

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  10. Statement 1 : Apomixis does not involve meiosis and syngamy. Stateme...

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  11. Statement 1: The pollen grains are deposited on the receptive surface ...

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  12. Which of the following post fertilization change is incorrectly matche...

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  13. Indentify the parthenocarpic fruit

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  14. A mature angiospermic embryo sac is …………………… .

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  15. Identify the type of ovule, where the nucellus acquires a horse - shoe...

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  16. The egg aparatus is made up of ...............

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  17. Match the following : {:("(1)Hemianatropus","(i) hilum , micropyle ...

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  18. What is triple fusion ?

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  19. Ex - albuminous seeds are .........

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  20. What is the edible part in Conconut?

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