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Which of the following structures are ha...

Which of the following structures are haploid in gymnosperms?

A

pollen grain, megaspore, embryo

B

Pollen grain, megaspore, endosperm

C

Megaspore, leaf, root

D

Leaf, root, integument

Text Solution

Verified by Experts

The correct Answer is:
B
In gymnosperms, the pollen grains and the megaspores are haploid and develop as a result of meiosis in the respective mother cells. The functional megaspore forms the embryo sac. The endosperm is formed prior to fertilisation, hence is haploid.
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NCERT FINGERTIPS-PLANT KINGDOM-Plant Kingdom
  1. Which of the following statements is incorrect about cycas?

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  2. Megasporophyll of gymnosperms is homologous to of angiosperms.

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  3. Which of the following structures are haploid in gymnosperms?

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  4. do not have free living gametophyte.

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  5. Study the given statements about gymnosperms and select the correct op...

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  6. Match column I wth column II and select the correct option from the co...

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  7. Canada balsam, a mounting agent used to make permanent slides, is obta...

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  8. Select the mismatched pair.

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  9. Gymnosperm called as a living fossil is

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  10. Which of the following characters represents the affinities of Gnetum ...

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  11. The sporophyte is the dominant phase in

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  12. Select the mismatched pair.

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  13. Select the mismatched pair.

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  14. Angiosperms A and B shown in the figure belong the classand respective...

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  15. In angiosperms, functional megaspore develops into

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  16. In double fertilisation, one male gamete fuses with the (i) to form zy...

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  17. The given figure shows to phases, A and B of a typical angiospermic li...

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  18. Match column I with Column II and select the correct option from the c...

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  19. Which of the statements regarding haplontic life cycle is incorrect?

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  20. Haplontic life cycle generally occurs in

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