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Question

Mouth parts of cockroach are:


A

Piercing and sucking

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B

Sucking and siphoning

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C

Biting and chewing

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D

Sponging

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Solution

The correct option is C

Biting and chewing


The correct option is C.

Explanation of the correct option:

  1. Orthopteran insects, such as cockroaches, grasshoppers, crickets, etc., have mouth parts of this type.
  2. Additionally, they are found in silverfish, termites, earwigs, beetles, some hymenopterans, and Lepidoptera caterpillars.
  3. The mouthpieces of the cockroach are sort of biting and chewing. which are utilized in dietary intake and searches.
  4. The labrum, mandibles, labium or second pair of maxillae, hypopharynx and first pair of maxillae are all parts of the mouth.


Explanation of the incorrect options:

Option A:

This type of mouth part, which is found in both dipteran insects like mosquitoes and hemipteran insects like bugs, aphids, etc., are designed for penetrating the tissues of animals and plants to suck blood and plant juice.

Option B:

  1. These mouthpieces, which are present in butterflies and moths of the order Lepidoptera of the class Insecta, are superbly designed for sucking fruit juice and floral nectar.

Option D:

  1. Mouthpieces of houseflies and several other flies are designed for sucking up liquid or semiliquid food.
  2. They don't have any mandibles; instead, they only have labrum-epipharynx, maxillae, labium, and hypopharynx.

Final answer: Cockroaches have biting and chewing type mouth parts.


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