Biology at Ease
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Biology at Ease
In over 60% of angiosperms, pollen grains
are shed at-
11 hours ago | [YT] | 182
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Biology at Ease
Which of the following layer is made up of cellulose and pectin ?
13 hours ago | [YT] | 162
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Biology at Ease
Sporopollenin is absent in-
15 hours ago | [YT] | 136
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Biology at Ease
Statement 1: Exine is made up of
sporopollenin which is one of the most resistant organic material known.
Statement 2: Intine can withstand high temperatures and strong acids and alkali.
17 hours ago | [YT] | 65
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Biology at Ease
Exine is an outer layer of -
19 hours ago | [YT] | 362
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Biology at Ease
A microspore tetrad is formed as a result of-
21 hours ago | [YT] | 132
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Biology at Ease
Which of the following is not a layer of Microsporangium ?
23 hours ago | [YT] | 130
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Biology at Ease
Which of the following is correct with respect to anther ?
1 day ago | [YT] | 130
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Biology at Ease
Statement 1: The pollen grains represent the male gametophytes.
Statement 2: Pollen sacs develop from microsporangia.
1 day ago | [YT] | 201
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Biology at Ease
The proximal end of the filament
is attached to-
1 day ago | [YT] | 199
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