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In a pollen grain the small cell is spin...

In a pollen grain the small cell is spindle shaped, with dense cytoplasm is :-

A

Vegetative cell

B

Generative cell

C

Tube cell

D

All of these

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The correct Answer is:
B
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Select the correct combination of true and false for the given statements about pollen grain cells. (1) The vegetative cell has an abundant food reserve. (2) The vegetative cell has large irregularly shaped nucleus. (3) The generative cell is small and is fixed in the cytoplasm of the vegetative cells. (4) The generative cell is spindle - shaped and has dense cytoplasm .

MOTION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Exercise - 2
  1. In over 60% of angiosperms pollen grains are shed at

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  2. Pollen grains of many species cause severe allergies & bronchial affli...

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  3. In a pollen grain the small cell is spindle shaped, with dense cytopla...

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  4. A typical angiosperm embryosac at maturity is :-

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  5. Arising from placenta is megasporangium which is commonly known as :

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  6. Single shield shaped cotyledon of grass is known as:-

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  7. Epicotyl has a shoot apex and few leaf primordia enclosed in a hollow ...

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  8. Although in most species fruits are result of fertilisation, there are...

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  9. Non albuminous seeds are present in :-

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  10. The coconut water from tender coconut that you are familiar with is :...

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  11. One of the male gamete moves towards the egg cell & fuses with its nuc...

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  12. Endosperm development precedes embryo development, the endosperm of an...

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  13. Transfer of pollen grains from the another to the stigma of another fl...

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  14. The part of pistil which acts as landing platform for pollen grain is

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  15. The inner most wall layer of anther is tapetum, the main function of t...

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  16. Two non motile male gametes in angiosperms are produced by :-

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  17. Alerone layer that is protein rich found in some cereals is a part of ...

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  18. In angiosperms functional megaspore generally develops at

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  19. When embroy develops from a haploid cellof embroysac , other than egg ...

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  20. Which is the most logical sequence with refernce to the life cycle of ...

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