Which of the following statements is not correct ?
Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil.
Some reptiles have also been reported as pollinators in some plant species.
Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grows into the style.
Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.
Definations / Explanation :
$1.$ Dioecious
$2.$ Non albuminous
Name the common function that cotyledons and nucellus perform.
List the changes observed in an angiosperm flower subsequent to pollination and fertilisation.
Identify $A, B, C$ and $D$
If stem has $2 n=10$ number of chromosomes than find out
$A$ - number of chromosomes in endosperm
$B$ - number of chromosomes in egg cell
$C$ - number of chromosomes in polar nuclei