What is indicated by $'A'$ and $'B'$ in the given diagram?
What is indicated by $'A'$ and $'B'$ in the given diagram?
- A
$A$ - Exine, $B$ - Male flower
- B
$A$ - Tube nucleus, $B$ - Exine
- C
$A$ - Stigma, $B$ - Female flower
- D
$A$ - Intine, $B$ - Pollen tube
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$A$ : Geitonogamy helps in maintaining homozygosity and superiority of the race indefinitely.
$R$ : It is functionally, ecologically and genetically cross pollination.
$A$ : Geitonogamy helps in maintaining homozygosity and superiority of the race indefinitely.
$R$ : It is functionally, ecologically and genetically cross pollination.