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1.Sexual Reproduction in Flowering Plants
medium
Which of the following indicates correct names of $A, B, C$ and $D$ regions of the given diagram?
A
$A- Male gamete \;B - Antipodals \;C - Egg cell \;D - Pollen tube$
B
$A -synergids\; B - Secondary nucleus\;C - Egg apparatus \;D - Integuments$
C
$A - Antipodals\; B - Male gametes\;C - Zygote\; D - Micropyle$
D
$A - Secondary nucleus\; B - Synergids\;C - Egg cell \;D - Integuments$
Solution
$A – Male gamete\; B- Antipodal cells\; C – Egg cell\; D-Pollen tube.$ In angiosperms, the pollen tube carries two male gametes, one fuses with egg to produce zygote, while second fuses with secondary nucleus to produce triploid primary endosperm nucleus.
Standard 12
Biology
