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Germ pore is the area where exine is...

Germ pore is the area where exine is

A

(a) absent

B

(b) thick

C

(c) thick & uniform

D

(d) uniform

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The correct Answer is:
A
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Consider the following statements with respect to pollen grains (a) Exine is thin, continuous layer made up of cellulose and pectin (b) Hard outer layer called exine is made of sporopollenin (c) Sporopollenin is present in germ pores (d) Exine exhibits a fascinating array of patterns and designs. Of the above statements

TRUEMEN BIOLOGY ENGLISH-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. The exine of a pollen grain is composed of one of the most resistant ...

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  2. Genotypically the pollen grain proudced inside the anther belong to

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  3. Germ pore is the area where exine is

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  4. A plant root has 16 chromosomes , so

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  5. Sculpturing of exine of pollen is important in

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  6. Ovule is technically equivalent to

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  7. Ovule is attached to the placenta by a stalk known as

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

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  9. In tenuinucellate type of ovule

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  10. Crassinucellate ovule shows:

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

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

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  13. Ovule of Opuntia is coiled and turn at more than 360^(@) angle, is ...

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  14. Female gametophyte (megagametophyte of angiosperms) is represented ...

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  15. The female gametopyte of a typical dicot at the time of fertilisation ...

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  16. Number of chromosomes is 24 in nucellus. Number of chromosomes in micr...

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  17. Base of nucellus from which integument arises is

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  18. The megasporangium of the angiosperms on maturation gives rise to

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  19. Megasporophyll of Pinus is equivalent to angiospermic

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  20. What do you think is the correct sequence of the development of the e...

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