Waec Biology 2012 Past Questions and Answers

Question 16:

• WAEC 2012

The following are all examples of a simple reflex action, except

A. Swallowing
B. Sneezing
C. Walking
D. Blinking

Question 17:

• WAEC 2012

Impulses are conducted towards the nerve cell through the

A. Myelin sheath
B. Dendrons
C. Axons
D. Synaptic nodes

Question 18:

• WAEC 2012

A student dissecting am animal specimen discovered that it had two auricle and on ventricle. The animal is likely to a/an

A. Fish
B. Reptile
C. Amphibian
D. Bird

Question 19:

• WAEC 2012

The function of the convex lens in the correction of eye defects is to

A. Diverge light rays from far objects to focus image on the retina
B. Converge light rays to focus image behind the retina
C. Converge light rays to focus time image before the retina
D. Converge light rays from far objects to focus their image on the retina

Question 20:

• WAEC 2012

Which of the following parts of the eye contains light sensitive cells?

A. Choroid
B. Iris
C. Retina
D. Lens