The organ of mastication in a cockroach is:

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(C) The correct answer is $C$. In cockroaches,the mandibles are a pair of heavily sclerotized,triangular structures with jagged teeth-like edges. Thes

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Mandibles

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(C) The correct answer is $C$. In cockroaches,the mandibles are a pair of heavily sclerotized,triangular structures with jagged teeth-like edges. These structures are operated by powerful abductor and adductor muscles,which move them in a horizontal plane. This movement allows the cockroach to effectively cut and chew food particles that are positioned between the mandibles by the first maxillae.

Column-$I$	Column-$II$
$A$. Mushroom gland	$P$. $6^{th}$ segment
$B$. Testis	$Q$. $2^{nd}-6^{th}$ segments
$C$. Spermatheca	$R$. $4^{th}-6^{th}$ segments
$D$. Ovaries	$S$. $6^{th}-7^{th}$ segments

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Match the column-$I$ with column-$II$ and select the correct option (in cockroach):-
Column-$I$ Column-$II$
$A$. Mushroom gland $P$. $6^{th}$ segment
$B$. Testis $Q$. $2^{nd}-6^{th}$ segments
$C$. Spermatheca $R$. $4^{th}-6^{th}$ segments
$D$. Ovaries $S$. $6^{th}-7^{th}$ segments

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