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In bryophytes and pteridophytes transpor...

In bryophytes and pteridophytes transport of male gameyes requires

A

Water

B

Wind

C

Imsects

D

Birds

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The correct Answer is:
A
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In bryophytes and pteridophytes, transport of male gamete require :

In bryophytes and and pteridophytes, transport of male gametes requires

Assertion: During gamete transport through water (inalgae, bryophytes and pteridophytes), a large number of male gametes, fail to reach the female gametes. Reason: To compensate this loss of male gametes during transport, the number of female gametes produced is several thousand tiems the number of male gametes produced.

Common between bryophytes and pteridophytes is

Assertion : The distribution of bryophytes and pteridophytes is limited. Reason : In bryophytes and pteridophytes water is required for the transport of male gamete and fertilisation.

Bryophytes differ from pteridophytes in

AAKASH INSTITUTE-REPRODUCTION IN ORGANISMS -ASSIGNMENT SECTION-C PREVIOUS YEARS QUESTION
  1. Which one of the following statements is not correct ?

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  2. Which one of the following generates new genetic combinations leading ...

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  3. In bryophytes and pteridophytes transport of male gameyes requires

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  4. Which of the following pairs is not correctly matched

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  5. In ginger vegetative propagation occurs through

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  6. Which one of the following is wrong about Chara ?

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  7. Isogamous condition with non-flagellated gametes is found in

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  8. Product of sexual reproduction generally generates

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  9. Which one of the following is correctly matched ?

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  10. Select the wrong statement :

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  11. Monoecious plant of Chara show occurrence of

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  12. Which one of the following is common to multicellular fungi, filamento...

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  13. The "Eyes" of the potato tuber are

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  14. Which one of the following pairs is wrongly matched while the remainin...

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  15. Examine the figure given below and select the right option giving all ...

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  16. Which of the following propagates through leaf-tip ?

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  17. In oogamy, fertilization involves

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  18. In which one of the following pair both plants can be vegetatively pro...

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  19. Why is vivipary an undesirable character for annual crop plants ?

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  20. Vegetative propagation in Mint occurs by

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