Question:

Herkogamy is common in Datura plants. In Herkogamy. anther and stigma are placed at different positions so that the pollen cannot come into contact with the stigma of the same flower. Which of the following is true?

Updated On: Jul 27, 2022
  • Both (A) and (R) ate true and (R) is rlie correct explanation of (A)
  • Both (A) and (R) are true, bur ^R) is not the correct explanation of (A)
  • (A) is true, but (R) is false
  • (A) is false, but (R) is true
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The Correct Option is D

Solution and Explanation

Answer (d) (A) is false, but (R) is true
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Notes on Double Fertilisation

Concepts Used:

Pollination and Double Fertilization

Pollination is defined as the pre-fertilization event or process, where pollen grains from another are transferred to the stigma of a flower.

Double fertilization is a complex process that involves the fusion of one female gametophyte with two male gametes.

Types of Pollination:

All plants having flowers completely rely on the pollination method for reproduction. There are 2 types of pollination –

  • Self Pollination
  • Cross-Pollination

The end products of double fertilization are:

  • Diploid Zygote
  • Primary Endosperm Nucleus