Waec Biology Past Questions and Answers

Question 1631:

• WAEC 2016

Which of the following substances is not usually present in the urine of a healthy person?

A. Urea
B. Mineral salts
C. Glucose
D. Water

Question 1632:

• WAEC 2016

Lateral meristem in flowering plants is found in the

A. Cortex
B. Pericycle
C. Cambium
D. Pith

Question 1633:

• WAEC 2016

The cells and tissues of the nose, throat, chest diaphragm and lungs from the

A. Circulatory system
B. Respiratory
C. Transport system
D. Digestive system

Question 1634:

• WAEC 2016

The exchange of gases between the environment and the respiratory organs of vertebrates is referred to as

A. Inhalation
B. Respiration
C. Expiration
D. Breathing

Question 1635:

• WAEC 2016

The maintenance of a constant internal environment in an organism is known as

A. Homeostasis
B. Homoiothermy
C. Diuresis
D. Dialysis