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1.Sexual Reproduction in Flowering Plants
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The diagram below is a longitudinal section of an ovule of an angiospermWith which of the following structures do the contents of one pollen tube fuse with
A
$1$ and $3$
B
$1$ and $4$
C
$2$ and $3$
D
$3$ and $4$
Solution
(d)$3$ and $4$; because $3$ number is polar nuclei and $4$ number is egg cell and they form endosperm and zygote respectively after fusion with male nuclei.
Std 12
Biology
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