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  3. Assertion: 7-celled, 8 nucleate and nonosporic embryosac is called Polygonum type of embryo sac.

. Assertion: 7-celled, 8 nucleate and nonosporic embryosac is called Polygonum type of embryo sac.

Reason: It was discovered by Hofmerister for the first time in Polygonum.

 

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Solution ||| Embryo sac is the female gametophyte of angiosperms. It was observed by Hofmerister 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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