Waec Biology 2002 Past Questions and Answers

Question 6:

• WAEC 2002

Which of the following depicts the external features of a rat as mammal?

A. Long intestine and tail
B. Diaphragm and lungs
C. Milk and sweat production
D. Fur and whisker

Question 7:

• WAEC 2002

Which of the following represents the correct sequence, from the most complex of organisations?

A. Mitochondrion, Muscle, Alimentary canal, Rabbit, Heart, Neurone
B. Mitochondrion, Neurone, Muscle, Heart, Alimentary canal, Rabbit
C. Alimentary canal, Neurone, Muscle, Heart, Rabbit. Mitochondrion
D. Rabbit, Mitochondrion, Heart, Neurone, Alimentary canal, Muscle

Question 8:

• WAEC 2002

Which of the following will cause wilting in plants?

A. Humidity
B. Coldness
C. Adequate soil water
D. Excessive transpiration

Question 9:

• WAEC 2002

Which of the following definitions best describes excretion? The

A. Liberation of energy from food
B. Release of faeces from the body
C. Breakdown of food molecules
D. Removal of the waste products of metabolism.

Question 10:

• WAEC 2002

Study the information below. Use it to answer question below

In an experiment to study the rate of water loss in plants, leaves of a potted plant were treated as follows:
I. Upper surface covered with Vaseline ll. Lower surface covered with Vaseline
III. Both surfaces covered with Vaseline IV. None of the leaf surfaces coveredIndicate in a descending order, the rate of water loss from the leaves

A. I, II, III and IV
B. II, I, III and IV
C. III, II, I and IV
D. IV, I, II and III