WAEC Biology Past Questions & Answers - Page 173

861.

The endocrine gland secreting hormone that induces the thyroid gland to produce more thyroxine is

A.

islets of Langerhans

B.

adrenal gland

C.

pituitary gland

D.

parathyroid gland

Correct answer is C

No explanation has been provided for this answer.

862.

Which of the following endocrine glands is a master gland?

A.

Pituitary gland

B.

Thyroid gland

C.

Pancreas

D.

Ovary

Correct answer is A

No explanation has been provided for this answer.

863.

The glomerular filtrate contains the following substances except?

A.

water

B.

urea

C.

blood corpuscles

D.

glucose

Correct answer is C

Glomerular filtration is the first step in making urine. It is the process that your kidneys use to filter excess fluid and waste products out of the blood.

Glomerular filtrate contains a lot of water, but also important molecules like glucose, amino acids, salts and excretory material, urea.

864.

In cold conditions the mammalian body reacts in the following ways except

A.

shivering of the body

B.

dilation of the capillaries supplying blood to the skin

C.

constriction of blood capillaries in the skin

D.

increased rate of chaemical changes in the body

Correct answer is B

No explanation has been provided for this answer.

865.

Which organ removes the largest quantity of water from the blood?

A.

lung

B.

intestine

C.

kidney

D.

skin

Correct answer is C

No explanation has been provided for this answer.