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Male and female gametophytes are indepen...

Male and female gametophytes are independent and freeliving in:

A

Pinus

B

Sphagnum

C

Mustard

D

Castor

Text Solution

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The correct Answer is:
B
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Male and female gametophytes are independent and free-living in

Male and female gametophytes are independent and free-living in

Male and female gametophytes are independent and free-living in

In gymnosperms, the male and the female gametophytes do not have an independent free-living existence. (True/False)

Some statements are given below :- (a) In gymnosperms the male and the female gametophytes do not have an independent free-living existence (b) In Cycas foliage leaves are pinnately compound (c) The stems are branched in Pinus and Cedrus (d) In Pinus, male cones and female cones are borne on different trees. Out of them, which statements are correct ?

Assertion : The leaves in gymnosperms are well adapted to withstand extremes of temperature, humidity and wind Reason : Unlike bryophytes and pteridophytes, in gymnosperms the male and female gametophytes do not have an independent free living existence.

In which one of the following male and female gametophytes do not have free living independent existence

Consider the following statements regarding gymnosperms (A) In gymnospers, the male and female gametophytes have an independent existence (B) The multicellular female gametophyte is retained within the megasporangium (C) The gymnosperms are heterosporous Of these statements.

In which of the following, gametophyte is not independent and free living ?

Both male and female gametophytes do not show free-living existence in

VMC MODULES ENGLISH-PLANT KINGDOM -ENABLE
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  5. Sphagum is commonly used as packing matrial for transshipment of livin...

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  6. A dominant gametophytic phase alternated by multicellular dependent sp...

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  7. Which of the following plants do not produce seeds?

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  9. Algae have cell wall made up of

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  11. Which of following plats is monoecious ?

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  12. Which one of the following systems of classification assumes that orga...

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  14. lsogamous condition with non-flagel- lated gametes is found in

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  15. Which one of the following is correctly matched with the given diagram...

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  16. Members of phaeophyceae show characteristic class colour due to the do...

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  17. The microsporangiate structure in gymnosperms consist of

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  18. The pollen tube carrying the male gametes grows towards archegonia in ...

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  19. Features like needle shaped leaves, thick cuticle, sunken stomata and ...

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  20. "" uses the chemical constituents of the plant to resolve confusions.

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