How many pollen grains are formed from $10$ microspore mother cells by meiosis
$80$
$40$
$20$
$10$
After demonstration of totipotency, a botanist wishes to produce identical plants from an angiosperm by tissue culture. The parts or tissues which are likely to yield haploid embryos are
Intine of pollen grains is composed of
What is correct for parthenium (Carrot grass)?
$(a)$ It came into India as a contaminant with imported wheat
$(b)$ It causes allergy
$(c)$ Asexual reproduction occurs in its flower
How many microspore mother cells will give rise to $256$ microspores after reduction division
Proximal end of the filament of stamen is attached to the