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BIOLOGY

JAMB 2015 - Question 19

Biology 2015 JAMB Past Questions - Question 19: Which of the following is common to the mosquito, housefly and blackfly?

Choose the most appropriate option for the gap .

Which of the following is common to the mosquito, housefly and blackfly?

A: They are parasites or man

B: Their immature stages are aquatic

C: they undergo complete metamorphosis

D: Their adults have two pairs of wings

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Correct Answer

Explanation

Mosquito, housefly and blackfly are pests not parasites. The micro organisms they transmit to man are parasites - (malaria parasite or Plasmodium; bacteria, virus and filarial Worm or onchocerca respectively. The immature stage of housefly i.e. maggot does not stay in water. Adults of these insects bear a pair of membranous wings and a pair of tiny wings like stumps called halteres.