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Question
Organ of mastication in cockroach is:
Organ of mastication in cockroach is:
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Solution
The correct option is B Mandibles
- Cockroach has a set of mouth parts - a pair of mandibles, maxillae, a labrum (upper lip) and labium (lower lip).
- The maxillae pick up and bring food to the mandibles for mastication.
- Mandibles are for chewing and biting of food. These move to grind and chew the food into smaller bits in a horizontal way and are often called the cockroach's primary jaws.
- The labrum and labium work like lips to prevent the loss of food from the mandibles at the time of mastication.
- So, the correct answer is option A- “Mandibles”.
- Cockroach has a set of mouth parts - a pair of mandibles, maxillae, a labrum (upper lip) and labium (lower lip).
- The maxillae pick up and bring food to the mandibles for mastication.
- Mandibles are for chewing and biting of food. These move to grind and chew the food into smaller bits in a horizontal way and are often called the cockroach's primary jaws.
- The labrum and labium work like lips to prevent the loss of food from the mandibles at the time of mastication.
- So, the correct answer is option A- “Mandibles”.
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