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Which of the following has proved helpfu...

Which of the following has proved helpful in preserving pollen of fossils

A

Sporopollenin

B

Oil content

C

Cellulose intine

D

Pollen kit

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The correct Answer is:
A
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TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. The wheat grain/maize grain has an embryo with one, large, shield shap...

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  2. Filiform apparatus is characteristic feature of : 1. generative cell ...

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  3. In angiosperms, microsporogenesis and megasporogenesis 1. occur in a...

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  4. Coconut water from a tender coconut is:

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  5. Which of the following statements is not correct 1. Insects that consu...

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  6. Seed formation without fertilization in flowering plants involves the...

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  7. Which of the following statement is not true ?

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  8. In majority of angiosperms:

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  9. Pollination in water by hyacinth and water lily is brought about by th...

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  10. Ovule is technically equivalent to 1. megasporangium with one megaspor...

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  11. Flowers which have single ovule in the ovary and are packed into inflo...

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  12. Functional megaspore in an angiosperm develops into 1. ovule 2. endos...

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  13. Double fertililzation is exhibited by

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  14. A dioecious flowering plant prevents both

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  15. Attractants and reward are required for

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  16. Which of the following has proved helpful in preserving pollen of foss...

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  17. Offsets are produced by

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  18. Winged pollen grains are present in

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  19. Double fertilization is

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  20. Pollen grains can be stored for several years in liquid nitrogen hav...

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