BIOLOGY
JAMB 2003 - Question 44
Biology 2003 JAMB Past Questions - Question 44: An insect with a mandibulate mouth part will obtain its food by
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
A
Explanation
Mandibulate mouth part is one consisting of a pair of powerful jaws or mandibles and a pair of maxillae which act as scissor used for biting and chewing leaves in grasshoppers; clothes, shoes and books in cockroach. Sucking mouth part consists of a long hollow tube called proboscis formed from a pair of maxillae. The mandibles are reduced because they are not needed: sucking mouth part is seen in butterfly. Mosquito has piercing and sucking mouth parts. The mouth parts consists of five Iong blade like stylets for piercing. Four of them are formed from a pair of mandibles and pair of maxillae. One pair is formed from the hypopharynx. The sucking tube is formed from the labrum and epipharynx used for sucking blood.
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