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(A) The characteristics mentioned are: $1$. Top-shaped,multiciliate male gametes: This is a primitive feature found in $Cycas$ (a gymnosperm). $2$. Ma

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Cycas

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(A) The characteristics mentioned are: $1$. Top-shaped,multiciliate male gametes: This is a primitive feature found in $Cycas$ (a gymnosperm). $2$. Mature seed with two cotyledons: This is a characteristic feature of dicotyledonous plants. However,the question refers to the specific combination of features found in $Cycas$. $Cycas$ is a gymnosperm that produces large,top-shaped,multiciliate male gametes. While the seed structure of $Cycas$ is distinct,the presence of two cotyledons is a feature of dicots. Given the options,$Cycas$ is the correct answer as it is the only one among the choices that possesses multiciliate male gametes.

Top-shaped,multiciliate male gametes and the mature seed which bears only embryos with two cotyledons are characteristic features of which of the following?

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