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Which of the following statements about ...

Which of the following statements about sporopollenin is wrong?

A

Exine is made up of sporopollenin

B

Sporopollenin is one of the resistant organic materials

C

Exine has aperatus called germ pores where sporopollenin is present.

D

No enzyme that degradessporopollenin is so far known

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The correct Answer is:
C
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MAXIMUM PUBLICATION-SEXUAL REPRODUCTION IN FOLLOWING PLANTS-EXERCISE
  1. Apomictic ernbryos in Citrus arise from

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  2. Wind pollinated flowers are

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  3. Which of the following statements about sporopollenin is wrong?

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  4. Egg apparatus of angiosperms consist of One synergid and two egg ce...

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  5. In some organisms, karyokinesis is not followed by cytokinesis as e re...

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  6. During the formation of embryo sac, the functional megaspore undergoes

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  7. One adavantage of Cleistogamy is

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  8. Which one of the following statements is not true?

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  9. Sporopollenin is chemically

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

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  11. What does filiform apparatus do at the entrance into ovule. It

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  12. Which one of the following plant products is the hardest ?

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  13. A typical angiosperm embryo sac at maturity is

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  14. Why sometimes, even diploid offspring is produced through parthenogene...

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  15. Pollen grains are stored for long period without losing its viability ...

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  16. Filliform apparatus of an embryosac is located at

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  17. Double fertilization is very common in

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  18. In Citrus and mango the polymbryony is the special feature of occuranc...

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  19. Triple fusion takes place in angiosperm is due to

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  20. In 40 percent of angiosperms, pollen grains are shed at

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