Waec Biology Past Questions and Answers

Question 96:

• WAEC 1990

The cup-shaped part of the Bowman’s capsule contains

A. Nephridium
B. Glomerulus
C. Loop of Henle
D. Nephron
E. Convoluted tubule

Question 97:

• WAEC 1990

The increase in width of blood vessels in the mammalian skin at high temperatures is known as

A. Vasodilation
B. Sweating
C. Vasoconstriction
D. Shivering
E. Evaporation

Question 98:

• WAEC 1990

The condition known as cretinism is caused by the deficiency of

A. Adrenalin
B. Vitamin A
C. Insulin
D. Thyroxin
E. Vitamin C

Question 99:

• WAEC 1990

Which of the following parts of the mammalian brain is involved in taking the decision to run rather than
walk?

A. Cerebellum
B. Medulla oblongata
C. Cranial nerves
D. Mid brain
E. Cerebrum

Question 100:

• WAEC 1990

The brain and spinal cord make up the

A. Peripheral nervous system
B. Automatic nervous system
C. Central nervous-system
D. Somatic nervous system
E. Sympathetic nervous system