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Adelphy of Stamens

Which of the ...

Question

Which of the following is a triploid tissue?

A

Onion leaf

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B

Onion root

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C

Maize leaf

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D

Maize endosperm

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Solution

The correct option is D Maize endosperm
Endosperm (3n) is the triploid tissue in a fertilized ovule. It is basically formed by the fusion of two polar nuclei (2n) and nucleus of one male gamete (n). So in the all option, maize endosperm is the only endosperm.
Thus, the correct answer is 'Maize endosperm.'

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Similar questions

Q. Which among the following statements is/are true?
I. All dicots have endospermic seeds.
II. All monocots have endospermic seeds.
III. Endosperm is triploid in angiosperms.
IV. Most dicots and some monocots have endospermic seeds.

Q. Which of the following statement(s) is/are correct?
I. The presence of a triploid endosperm nucleus is a distinctive feature of gymnosperms.
II. In gymnosperms, endosperm represents the female gametophyte.

Q. Endosperm is a triploid tissue in angiosperms because of

Q. Assertion (A): In angiosperms, endosperm is always triploid.
Reason (R): Endosperm results from syngamy.

Q. Give reasons why endosperm in angiosperms becomes triploid.

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