Which of the following statements is not correct?

Options

A. insects that consume pollen or nectar without bringing about pollination are called pollen nectar robbers
B. pollen grains of many species cause severe allergies
C. some reptiles have also been reported as pollinators in some plant species
D. 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.

Answer

D

Explanation

Pollen grains of different species are incompatible, so when they fall on stigma only the pollen of the same species germinate and can form pollen tube which grows and finally dispatches male gamete to embryo sac.