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Which of the following statement is corr...

Which of the following statement is correct ?

A

sporopollenin can withstand high temperauture but not strong acids

B

sporopollenin can be degraded by enzymes

C

sporopollenin is made up of inorganic materials

D

sporopollenin can withstand high temperature as well as strong acids and alkalis

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE-SEXUAL REPRODUCTION IN FLOWERING PLANTS -Assignment (SECTION C)
  1. Megaspores are produced from megaspore mother cells after

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  2. Animal vectors are required for pollination in

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  3. Which of the following statement is correct ?

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  4. Albuminous seeds store their reserve food mainly in

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  5. The embryo in sunflower has

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  6. Endosperm is consumed by the developing embryo in

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  7. In a flowering plant the pollen tube first arrivs in

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  8. Which of the folliwng statement is wrongs?

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  9. Long ribbon like pollen grains are seen in some

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  10. Which one of the following pairs of plant structures has haploid numbe...

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  11. Embryo sac represents

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  12. If an angiospermic male plant is diploid and female plant tetraploid, ...

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  13. The role of double fertilization is to produce:

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  14. An interesting modification of flower shape for insect pollination occ...

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  15. Endosperm is formed during the double fertilization by

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  16. Anemophily type of pollination is found in :

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  17. What is the direction of micropyle in anatropous ovule?

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  18. In angiosperm, all 4 microspores of tetrad are covered by a layer whic...

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  19. In Angiosperms pollen tube liberate their male gametes into the :

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  20. An ovule which becomes curved so that the nucellus and embryo sac lie ...

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