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Which type of mouthpart is present on th...

Which type of mouthpart is present on the lateral side of the pre-oral cavity in cockroach?

A

Labrum and mandibles

B

Mandibles and labium

C

Mandibles and `1^(st)` maxillae

D

Mandibles and hypopharynx

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the type of mouthpart present on the lateral side of the pre-oral cavity in a cockroach, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Mouthparts of a Cockroach**: - The mouthparts of a cockroach include several structures: the labrum (upper lip), mandibles, maxillae, and labium (lower lip). 2. **Understand the Structure of the Pre-oral Cavity**: - The pre-oral cavity is the space in front of the mouth where food is initially taken in. It is bordered by various mouthparts. 3. **Locate the Lateral Side of the Pre-oral Cavity**: - The lateral sides of the pre-oral cavity refer to the sides of this cavity, which would be occupied by specific mouthparts. 4. **Identify the Mouthparts on the Lateral Side**: - On the lateral sides of the pre-oral cavity, you will find: - A pair of **mandibles**: These are strong, jaw-like structures used for grinding food. - A pair of **maxillae**: These are located next to the mandibles and assist in manipulating food. 5. **Conclusion**: - Therefore, the types of mouthparts present on the lateral side of the pre-oral cavity in a cockroach are the **mandibles** and **maxillae**. ### Final Answer: The mouthparts present on the lateral side of the pre-oral cavity in a cockroach are the **mandibles** and **maxillae**.
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