Which of the following statements is not correct regarding pollen grains?
Some reptiles have also been reported as pollinators in some plant species
Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those of the pistil
Insects that consume pollen or nectar without bringing about pollination are called pollen/ nectar robbers
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
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
The correct option is D.
Explanation for the correct option:
Final answer: 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 statement is incorrect regarding pollen grains.