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Select the wrong statement (s) regarding...

Select the wrong statement (s) regarding cross pollination
(a) Pollination depends on external agent and so it is certain.
(b) New varieties are produced.
(c) Continuous cross pollination leads to weaker progeny.
(d) Germination capacity is highly declined.

A

a and d

B

b and c

C

a,b and d

D

a , c and d

Text Solution

Verified by Experts

The correct Answer is:
D
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FULL MARKS-ASEXUAL AND SEXUAL REPRODUCTION IN PLANTS-Additional Questions (1- Mark Questios)
  1. The type of endosperm noticed in Hydrilla a seed is ............

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  2. Which is not a part of mature seed ?

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  3. Select the wrong statement (s) regarding cross pollination (a) Polli...

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  4. Which of the following characters does not exist in Ornithophilous flo...

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  5. Which of the following plant was introduced as a contaminant into Indi...

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  6. ............is a carotenoid derivative of exine layer which provides r...

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  7. Common type of ovule found in majority of the plants ……….. .

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  8. Identify the incorrect statement about the Gram positive bacteria

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  9. Generally the pollen grains are liberated from anther at ........

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  10. Assertion (A) : Self - pollination is certain in cleistogamous flowers...

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  11. Assertion (A) : Entamophily is the most common type of pollination R...

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  12. Statement 1 : Primary sporogenous cell functions as megaspore mother c...

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  13. Statement 1 : Apomixis does not involve meiosis and syngamy. Stateme...

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  14. Statement 1: The pollen grains are deposited on the receptive surface ...

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  15. Which of the following post fertilization change is incorrectly matche...

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  16. Indentify the parthenocarpic fruit

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  17. A mature angiospermic embryo sac is …………………… .

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  18. Identify the type of ovule, where the nucellus acquires a horse - shoe...

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  19. The egg aparatus is made up of ...............

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  20. Match the following : {:("(1)Hemianatropus","(i) hilum , micropyle ...

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