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  • Which of the following statements is not correct?Option: 1 Pollen germination and pollen tube growth are regulated by chemical compo

Which of the following statements is not correct?

Option: 1

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


Option: 2

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


Option: 3

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.


Option: 4

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


Answers (1)

best_answer

The pollen tube is produced on the stigma by germination through one of the germ pores only when the correct pollen reaches the pistil. Pollen germination starts as soon as the pollen grain contacts the stigma. The pollen should therefore be applied to the pistil rather than the style.

Posted by

Suraj Bhandari

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