WAEC Biology Past Questions & Answers - Page 127

631.

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.

632.

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.

633.

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.

634.

The body temperature of a mammal has to be maintained at a fairly constant level because

A.

excessive heat is continually lost by the body to the environment

B.

 their body temperature is always higher than that of the environment

C.

evaporation of sweat cools the body

D.

metabolic activities function best at certain temperature

Correct answer is D

No explanation has been provided for this answer.

635.

Green plants lose water to the atmosphere through the process of

A.

respiration

B.

photosynthesis

C.

transpiration

D.

translocation

Correct answer is C

No explanation has been provided for this answer.