Assertion : Like pteridophytes,sporophyte is | vedclass

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Question

(B) In both $Pteridophytes$ and $Gymnosperms$,the plant body is a $Sporophyte$ $(2n)$,which is the dominant phase of the life cycle.In $Pteridophytes$

Vedclass · Accepted Answer

Both assertion and reason are true and reason is not a correct explanation of the assertion.

Vedclass · Answer

(B) In both $Pteridophytes$ and $Gymnosperms$,the plant body is a $Sporophyte$ $(2n)$,which is the dominant phase of the life cycle.In $Pteridophytes$,the $Gametophyte$ (prothallus) is small,multicellular,and usually independent (free-living).However,in $Gymnosperms$,the $Gametophyte$ is highly reduced and dependent on the $Sporophyte$ for nutrition and protection.Therefore,the assertion is true because the $Sporophyte$ is indeed the dominant phase in both groups.The reason is also true because $Pteridophyte$ gametophytes are indeed independent.However,the independence of the gametophyte in $Pteridophytes$ does not explain why the $Sporophyte$ is dominant in $Gymnosperms$.Thus,both are true,but the reason is not the correct explanation for the assertion.

Assertion : Like pteridophytes,sporophyte is a dominant phase in gymnosperms.
Reason : The gametophyte stages are independent in the pteridophytes.

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Assertion : Like pteridophytes,sporophyte is a dominant phase in gymnosperms.Reason : The gametophyte stages are independent in the pteridophytes.