WAEC Biology Past Questions & Answers - Page 126

626.

The following insects undergo incomplete metamorphosis except

A.

termite

B.

cockroach

C.

butterfly

D.

locust

Correct answer is C

No explanation has been provided for this answer.

627.

Which of the following occurs when a person looks at a distant, dim object and then looks
at a much closer, bright object? In each eye, the pupil becomes

A.

larger, while the lens becomes thicker

B.

larger, while the lens becomes thinner

C.

smaller, while the lens becomes thicker

D.

smaller while the lens becomes thinner

Correct answer is D

No explanation has been provided for this answer.

628.

Which of the following structures occupies the neural canal of the vertebral column?

A.

cerebellum

B.

hypothalamus

C.

medulla oblongata

D.

spinal cord

Correct answer is D

No explanation has been provided for this answer.

629.

Which hormonal deficiency is likely to cause an accumulation of reducing sugar in the urine?

A.

thyroxine

B.

insulin

C.

secretin

D.

testosterone

Correct answer is B

No explanation has been provided for this answer.

630.

A urine sample of a patient, tested with Benedict/Fehling solution, gave an orange colored precipitate,
indicating the presence of

A.

glucose

B.

sucrose

C.

lactose

D.

maltose

Correct answer is A

No explanation has been provided for this answer.