Generally in the wall of the anther lobes how many middle layers are formed
Seven
Three
Six
Nine
Which one of the following is resistant to enzyme action?
Examine the figure given below and select the right option giving all the four parts $a, b, c$ and $d.$ Correctly identify
$a\quad \;b\quad\;c\quad\;d$
Tapetum is a part of
$A$ : Each cell of the sporogenous tissue is capable of giving rise to a microspore tetrads.
$R$ : Most abundant microspore tetrads is the product of simultaneous cytokinesis.
Which of the following is correct statement