Home
Class 12
BIOLOGY
Assertion : 7-celled, 8 nucleate and mon...

Assertion : 7-celled, 8 nucleate and monosporic embryosac is called polygonum type of embryo sac
Reason : It was discovered by Hofmesister for the first time in polygonum.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
C

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.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • REPRODUCTION IN ORGANISMS

    ERRORLESS |Exercise Reproduction In Organisms|116 Videos
  • SMOKING,ALCOHOLISM,DRUG ADDITION, MENTAL HEALTH AND COMMUNITY HEALTH

    ERRORLESS |Exercise Smoking,Alcoholism,Drug Addition, Mental Health And Community Health|88 Videos

Similar Questions

Explore conceptually related problems

Polygonum type of embryo sac is

Polygonum type of embryo sac is

Knowledge Check

  • Given below are assertionn and reasonn. Point out if both are true with reason being correct explanation (A), both true but reason is not correct explanation (B), assertion is true but reason is wrong (C), both are wrong (D). Assertion. 7 celled, 8 nucleate and monosparic embryo sac is called Polygonum type of embryo sac. Reason. It was discovered by Hofmeistter for the first time in Polygonum

    A
    A
    B
    B
    C
    C
    D
    D.
  • A polygonum type embryo sac is:

    A
    7-celled or 8-nucleate
    B
    8-celled or 7-nucleate
    C
    8-celled or 8-nucleate
    D
    7-celled or 7-nucleate
  • In polygonum type of embryo sac, the cells are

    A
    Haploid
    B
    Diploid
    C
    Both A and B
    D
    Polyploid.
  • Similar Questions

    Explore conceptually related problems

    In a typical Polygonum type of embryo sac

    The normal or polygonum type of embryo sac is

    The normal or polygonum type embryo sac is

    Synergids of the polygonum type embryo sac are

    7 celled-8 nucleate embryosac is