Tectum, baculum, foot layer are the different parts of
Microspore wall
Microspore mother cell wall
Megaspore wall
Megaspore mother cell wall
Which of the following has proved helpful in preserving pollen as fossils?
How many pollen grains are formed from $10$ microspore mother cells by meiosis
Find out the odd one.
Male gametophyte in angiosperms produces