Waec Biology Past Questions and Answers

Question 2006:

• WAEC 2020

An example of a trace elements is

A. Potassium
B. Calcium
C. Magnesium
D. Copper

Question 2007:

• WAEC 2020

The part of the mammalian kidney that stores urine is the

A. Capsule
B. Medulla
C. Pelvis
D. Bladder

Question 2008:

• WAEC 2020

The properties of endocrine system include the following except

A. Secretion of hormones
B. Transportation by blood to target organ
C. Having specific effect
D. Release of secretion into ducts

Question 2009:

• WAEC 2020

The part of the cetral nervous system that controls unconscious actions in humans is the

A. Cerebellum
B. Cerebrum
C. Spinal cord
D. Optic nerves

Question 2010:

• WAEC 2020

What happens when the ciliary muscles of the eye contract? The

A. Lens become more concave
B. Lens become more convex
C. Lens gets a longer focal length
D. Suspensory ligament becomes tight