Waec Biology 2017 Past Questions and Answers

Question 21:

• WAEC 2017

In the diagram of the human sperm above, the function of the part labelled II is to

A. Fuse the ovum during fertilization
B. Generate the energy for the sperm to swim to the fallopian tube
C. Help the sperm to swim forward
D. Dissolve the membrane of the egg during fertilization

Question 22:

• WAEC 2017

Which of the following types of placentation is not common amongst syncarpous pistils?

A. Marginal
B. Axile
C. Parietal
D. Free central

Question 23:

• WAEC 2017

The complex energy-rich organic matter which living organisms need for life is

A. Water
B. Air
C. Food
D. Mineral salts

Question 24:

• WAEC 2017

Which of the following processes are associated with photosynthesis? I. Energy from sunlight is absorbed II. Carbon dioxide is evolved III. Oxygen is given off IV. Glucose is synthesized

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

Question 25:

• WAEC 2017

Which of the following function is associated with calcium in plants? Formation of

A. Cell wall
B. Ribosomes
C. Proteins
D. Cell membrane