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Top-shaped multicilate male gametes, and...

Top-shaped multicilate male gametes, and the mature seed which bears only one embryo with two cotyledons, are chracteristic features of

A

Polypetalous angiosperms

B

Gamopetalous angiosperms

C

Conifers

D

Cycads

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The correct Answer is:
D
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CENGAGE BIOLOGY-PLANT KINGDOM-ARCHIVES
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  2. Flagellated male gametes are present in all the three of which one of ...

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  3. In the prothallus of a vascular cryptogam, the antherozoids and egg m...

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  4. In gymnosperms the pollen chamber represents

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  5. Spore dissemination in some liverworts is aided by

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  6. If you are asked to classify the various algae into distinct groups, w...

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  7. In which of the following, gametes are produced by mitrotic division?

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  8. In which one of the following male and female gametophytes do not have...

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  9. Which of the following is heterosporous

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  10. Selelct one of the following paris of important features distinguishig...

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  11. Which one of the following plants is monoecious

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  12. Which one of the following has haplontic life cycle

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  13. Which one of the following is a vascular cryptogram?

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  14. Which of the following is a vascular cryptogam

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  15. Male and female gametophytes are independent and free-living in

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  16. Algae have cell wall made up of

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  17. Some hyperthermophilic organisms that grow in highly acidic (pH2) hab...

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  18. A prokaryotic autotrophic nitrogen fixing symbiont is found in

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  19. Archegoniophore is present in

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  20. Compared with the gametophytes of the bryophytes the gametophytes of v...

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  21. The gametophyte is not an independent, free-living generation in

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