Which of the following statements is not correct ?

  • [NEET 2016]
  • A

    Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil.

  • B

    Some reptiles have also been reported as pollinators in some plant species.

  • C

    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.

  • D

    Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers.

Similar Questions

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