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Sexual Reproduction in Flowering Plants

Pollen-Pistil Interaction

Which of the following statements is not correct?

Question

Solving time: 1 mins

Which of the following statements is not correct?

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

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Updated on: May 15, 2023

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Text solutionVerified

Pollen-pistil interaction is the group of events that occur from the time of pollen deposition over the stigma to the time of pollen tube entry into ovule. It is a safety measure to ensure that illegitimate crossing does not occur. Pollen grains of number of plants may settle over a stigma. The pollens belonging to same species would germinate while other fail to do so, but the pollen tube of the compatible pollen will grow through the style to reach the ovule whereas growth of incompatible pollens will be arrested at stigmatic disc or sometimes in the beginning part of style.

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Question Text	Which of the following statements is not correct?
Updated On	May 15, 2023
Topic	Sexual Reproduction in Flowering Plants
Subject	Biology
Class	Class 12
Answer Type	Text solution:1 Video solution: 11
Upvotes	1255
Avg. Video Duration	7 min