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Pollen tube is made up of...

Pollen tube is made up of

A

cutin

B

sporopollenin

C

pectocellulose

D

pectin

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The correct Answer is:
C
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TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. The number of pollen grains, produced by each head inflorescene of fam...

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  2. Pollen sac correponds to which part

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  3. Pollen tube is made up of

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  4. The intine of a pollen grain is mainly made up of

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  5. In angiosperm pollen grains are dehisced at

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  6. In dicots, at how many places exine is absent in the pollen grain ?

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  7. Which one is larger nucleus in pollen grain ?

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  8. The exine of a pollen grain is composed of one of the most resistant ...

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  9. Genotypically the pollen grains produced inside the anther belong to 1...

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  10. Germ pore is the area where exine is

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  11. A plant root has 16 chromosomes , so

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  12. Sculpturing of exine of pollen is important in

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  13. Ovule is technically equivalent to 1. megasporangium with one megaspor...

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  14. Ovule is attached to the placenta by a stalk known as 1. funicle 2. ...

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  15. Collar like outgrowth arising from the base of ovule and forming is a ...

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  16. In tenuinucellate type of ovule

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  17. Crassinucellate ovule shows: 1. Developed nucellus 2. Partially dev...

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  18. When ovule is straight with funiculus, embryo sac, chalaza and microp...

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  19. Ovule is inverted (resupinates at 180^(@)) with body fused to funicle,...

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  20. Ovule of Opuntia is coiled and turn at more kthan 360^(@) angle, i...

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