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What does self incompatibility provides ...

What does self incompatibility provides for a plant ?

A

Means of transferring pollen to another plant

B

Means of coordinating the fertilization of egg with the development of store before if fertilize the egg cell

C

A mean of destroying foreign pollen before it fertilizes the egg cell

D

A biological block to self fertilization so that cross fertilization is assured

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The correct Answer is:
D
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TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
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  2. Parthenocarpic fruits are produced by

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  3. What does self incompatibility provides for a plant ?

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  4. One meiosis produces how many male gametes ?

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  5. If number of chromosomes in root cell of male plant is 40 and in leaf...

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  6. Raphe is

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  7. Identify the wrong statement regarding post fertilisation development

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  8. Which one of the following shows the last diploid stage in the life cy...

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  9. In angiosperms , which one of the following processes does not involve...

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  10. In a cross between a tetraploid female plantand a diploid male plant o...

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  11. What is true about cleistogamy?

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  12. Find out the correct statement

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  13. Flower with a feathery and sticky stigma, numerous light pollen, reduc...

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  14. The fruits showing edible thalamus are

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  15. Which one of the following structure found in dicot seed will be genet...

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  16. After pollination which of the following events is crucial for fertili...

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  17. Given below are certain combinations. Select the correct ones. (i) C...

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  18. If a leaf cell of gymnosperm plant had 24 chromosomes, then its endosp...

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  19. The proteinaceous substance substance involvedin sporophytic incompati...

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  20. Adventive embryony in Citrus is due to

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