$A$ - Only some cells of the sporogenous tissue is capable of giving rise to microspore tetrad.
$R$- The microspores are arranged in a cluster of four cells - the microscopic tetrad.
$A$ - Only some cells of the sporogenous tissue is capable of giving rise to microspore tetrad.
$R$- The microspores are arranged in a cluster of four cells - the microscopic tetrad.
- A
$A$ and $R$ both are correct.
- B
$A$ and $R$ both are incorrect.
- C
$A$ is correct, $R$ is incorrect.
- D
$A$ is incorrect, $R$ is correct.
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