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Which of the following features (s) is/a...

Which of the following features (s) is/are common to both wind and water pollinated flowers?
I. Pollen grains are long and ribbon-like.
II. Stigma is large and feathery.
III. The flowers are not colourful.
IV. The flowers do not produce nectar.

A

III and IV

B

II and III

C

Only III

D

Only II

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A
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Which of the following features is/are common to both wind and water pollinated flowers I. Pollen grains are long and ribbon-like, II. Stigma is large and feathery, III. Flowers are not colourful, IV. Flowers are not colourful

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In which of the following , kind of pollination the following shows the following characteristic ? 1. Stigma is long and feathery . 2. The pollens are dry unwettable. 3. Flower are colourless and odourless.

Assertion :- Both wind and water pollinated flowers are not very colourful and do not produce nectar. Reason :- Colour and nectar act as insect attractant.

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Which of the following mostly pollinate brightly coloured flowers having fragrance and nectar?

ARIHANT NEET-SEXUAL REPRODUCTION IN FLOWERING PLANTS -MEDICAL ENTRANCE EXAMS
  1. Cross pollination doen not occur in

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  2. Select the plants pollinated by water. I. Water hyacinth II. Zoster...

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  3. Which of the following features (s) is/are common to both wind and wat...

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  4. Read the following statements (a) Angiosperms range in size from m...

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  5. Cross-pollination through insect agent is called

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  6. Cleistogamous flowers are

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  7. Emasculation ensures cross pollination in

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  8. Which part of flowering plant contains sporogenous tissue

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  9. Transfer of pollen grains from anther to the stigma of another flower ...

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  10. Embryo sac of angiosperms contains

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  11. Zygote is resulted by the process of :

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  12. Developing pollen obtains its nutrition from

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  13. During the process of sexual reproduction in flowering plants, double ...

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  14. Endosperm, a product of double fertilization in angiosperms is absent ...

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  15. PEN stands for

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  16. In which of the following plants, pollen is released before the stigma...

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  17. With respect to angiosperms, identify the incorrect pair from the foll...

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  18. Which one of the following statements is correct?

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  19. Product of sexual reproduction generally generates

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  20. Which of the following represents the male gamete?

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