In angiosperms, microsporogenesis and megasporogenesis

Important Questions on Sexual Reproduction in Flowering Plants

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 1

Which one of the following is resistant to enzyme action

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 2

There are 10 flowers in one individual plant of Crotalaria. In each microsporangium of every stamen of all the flowers, there are 30 microspore mother cells. How many pollen grains are formed from the plant?

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 3

Pollen grains of a plant whose $2 n=28$ are cultured to get callus by tissue culture method. What would be the number of chromosomes in the cells of the callus?

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 4

Pollen grain develops from $\underline{ }$ Of anther

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 5

Sporopollenin is chemically

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 6

Which one of the following is surrounded by a callose wall?

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 7

These processes are necessary for the complete development of male gametophyte from pollen mother cell

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NTA Errorless Biology Volume-2>Chapter 2 - Sexual Reproduction in Flowering Plants>Ordinary Thinking>Q 8

Male gametes in angiosperms are formed by the division of