WAEC Biology Past Questions & Answers - Page 350

1,746.

Which of the following organs is associated with protein deamination?

A.

Lung

B.

Stomach

C.

Kidney

D.

Liver

E.

Heart

Correct answer is D

No explanation has been provided for this answer.

1,747.

Which of the following structures functions as an excretory system found in flatworm?

A.

Contractile vacuole

B.

Nephridium

C.

Flame cell

D.

Malpighlan tubule

E.

Kidney

Correct answer is C

No explanation has been provided for this answer.

1,748.

The conditions that ensure successful gaseous exchange in multicellular organisms include the following except

A.

concentration gradient across the respiratory surface

B.

concentration gradient across the respiratory surface B. presence of thin membrane as the respiratory surface

C.

last transportation of absorbed gases

D.

presence of a large surface area in the respiratory organ

E.

presence of a small, dry surface area in the respiratory organ

Correct answer is E

No explanation has been provided for this answer.

1,749.

Which of the following is the medium of transporting nutrients within unicellular organisms?

A.

Blood

B.

Serum

C.

Protoplasm

D.

Plasma

E.

Lymph

Correct answer is C

No explanation has been provided for this answer.

1,750.

Which of the following diseases is caused by a deficiency of insulin in the body

A.

Malaria

B.

Diabetes mellitus

C.

Hepatitis

D.

Gonorrhoea

E.

Cholera

Correct answer is B

No explanation has been provided for this answer.