In an young anther the four rows of cells which later produce pollen are called
Archesporium
Antheridium
Tapetum
Zoosporangium
Which of the following has proved helpful in preserving pollen as fossils?
Which of the following statement is correct for the pollen tube
Which of the following statements is correct?
If the cells of root in wheat plant have $42$ chromosomes, then the no. of chromosome in the cell of pollen grain is
Describe internal structure of microsporangium.