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In which one of the following, male and ...

In which one of the following, male and female game tophytes do not have free-living independent existence?

A

Algae and bryophytes

B

Broyophytes and pteridophytes

C

Ferns and liverworts

D

Gymnosperms and angiosperms

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The correct Answer is:
D
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In gymnosperms, the male and the female gametophytes do not have an independent free-living existence. (True/False)

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.

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 ?

VMC MODULES ENGLISH-PLANT KINGDOM -EFFICIENT
  1. Select correct match :

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  2. Select correct features for Pinus. (i) Monoecious plant (ii) Pinn...

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  3. In which one of the following, male and female game tophytes do not ha...

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  4. Female gametophyte in conifers and cycas is :

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  5. The pollen grain is released from the microsporangium and directly com...

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  6. Siphonogamy and indirect pollination are characteristics of 1 Phane...

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  7. All archegoinates have // are :

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  8. The embryo sac formation is preceded by meiosis in :

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  9. Secondary nucleus is fertilized by male gamete to form–

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  10. Which of the following structures do not represent sporophytic generat...

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  11. The pollen grains germinate on the stigma and resulting in "" formatio...

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  12. Artificial system of classification given by Linnaeus considers 1 Ve...

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  13. Classification of organisms on the basis of natural affinities :

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  14. According to phylogenetic classification systems, organisms belonging ...

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  15. Classification of organisms is based on cytological information like :

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  16. In which one of the followIng system each character is given equal imp...

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  17. Select correct statements for algae. (i) They have thalloid body wit...

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  18. Food storage bodies in green algae

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  19. How many members have a rigid cell wall made of an inner layer of ce...

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  20. In which group of algae, the sexual reproduction does not show conside...

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