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SCIENCE PRACTICE QUESTIONS

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LIFE CYCLE OF THE MOSQUITO

1.

Oil from a mechanic workshop accidentally spilled into a pool of water which was breeding mosquitoes.

After sometime, the pool of water was no longer breeding mosquitoes.

Which control method may have been deployed?

A.

Biological control

B.

Chemical control

C.

Environmental control

D.

Genetic control

2.

Mosquito pupa breathes through tubes called

A.

trachea.

B.

siphon.

C.

lungs.

D.

gills.

3.

Which of the following practices will destroy the breeding grounds of mosquitoes?

A.

Sleeping in mosquito nets

B.

Spraying with insecticides

C.

Using insect repellent

D.

Introducing fish into ponds

E.

Burying all empty cans

4.

The insect which transmits the plasmodium parasite is called

A.

butterfly.

B.

cockroach.

C.

housefly.

D.

mosquito.

E.

tsetse fly.

5.

Which of the following diseases is spread by a mosquito?

A.

Blindness

B.

Cholera

C.

Dysentery

D.

Elephantiasis

6.

The second stage in the life cycle of a mosquito is the

A.

egg

B.

imago

C.

larva

D.

pupa

7.

The second stage in the life cycle of a mosquito is the

A.

egg.

B.

imago.

C.

larva.

D.

pupa.

8.

How many stages does the mosquito go through in its life cycle of development?

A.

1

B.

2

C.

3

D.

4

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