Question:

: $7$-celled, $8$ nucleate and monosporic embryosac is called Polygonum type of embryo sac. : It was discovered by Hofmeister for the first time in Polygonum.

Updated On: Aug 15, 2022
  • If both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
  • If both Assertion and Reason are true but the Reason is not the correct explanations of Assertion.
  • If Assertion is true, but Reason is false.
  • If both Assertion and Reason are false.
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The Correct Option is C

Solution and Explanation

Embryo sac is the female gametophyte of angiosperms. It was observed by Hofmeister first time. Polygonum type of embryo sac is most simple, most primitive and normal, type of embryo sac. It is $7$ celled, $8$-nucleate and monosporic embryo sac. It was discovered for the first time in Polygonum by Strasburger.
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Concepts Used:

Sexual Reproduction in Flowering Plants

Sexual reproduction in flowering plants takes place or happens when the production of a new organism occurs from two parents by making use of their gametes or sex cells. Both sexual and asexual reproduction can be found in plants. Nearly all flowering plants reproduce sexually. Flowers play a captious role in the process as it carries both the male and female reproductive parts commonly known as androecium and gynoecium respectively.

An individual flower comprises the following parts - 

  • Pedicle
  • Calyx
  • Petals
  • Sepals
  • Stamen
  • Pistil
  • Receptacle