S : In Catharanthus roseus,the number of carp | vedclass

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Question

(A) The plant $Catharanthus$ $roseus$ (commonly known as periwinkle or 'baramasi') belongs to the family $Apocynaceae$.In this family,the gynoecium is

Vedclass · Accepted Answer

$S$ and $R$ are both true,and $R$ is the correct explanation of $S$.

Vedclass · Answer

(A) The plant $Catharanthus$ $roseus$ (commonly known as periwinkle or 'baramasi') belongs to the family $Apocynaceae$.In this family,the gynoecium is typically bicarpellary (consisting of two carpels).Therefore,statement $S$ is true because the number of carpels is two.Statement $R$ is also true because $Catharanthus$ $roseus$ is indeed an example of a bicarpellary condition.Since the bicarpellary nature of the flower explains why there are two carpels,$R$ is the correct explanation of $S$.

Fruit Type	Plant Species
$(a)$ Siliqua	$(i)$ Lycopersicum esculentum
$(b)$ Caryopsis	$(ii)$ Triticum aestivum
$(c)$ Berry	$(iii)$ Helianthus annuus
$(d)$ Cypsela	$(iv)$ Brassica campestris

$S :$ In Catharanthus roseus,the number of carpels is two.
$R :$ Catharanthus roseus is an example of a bicarpellary condition.

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$S :$ In Catharanthus roseus,the number of carpels is two.$R :$ Catharanthus roseus is an example of a bicarpellary condition.