Waec Biology 2017 Past Questions and Answers

Question 16:

• WAEC 2017

Deamination of amino acids in the liver produces

A. Blood sugar
B. Glycogen
C. Bile
D. Urea

Question 17:

• WAEC 2017

Which of the following glands also serves as an exocrine gland?

A. Ovary
B. Pancreas
C. Adrenal
D. Thyroid

Question 18:

• WAEC 2017

Which of the following sequences is the correct route of the transmission of impulses along a reflex arc?

A. \(Receptor\to sensory neuron \to synapse \to intermediate neuron \to synapse \to motor neuron \to effector\)
B. \(Receptor \to motor neuron \to synapse \to intermediate neuron \to synapse \to sensory neuron \to effector\)
C. \(Effector \to intermediate neuron \to synapse \to motor neuron \to synapse \to sensory neuron \to receptor\)
D. \(Effector \to motor neuron \to synapse \to sensory neuron \to synapse \to intermediate neuron \to receptor\)

Question 19:

• WAEC 2017

When viewing an object that is close to the human eye, the

A. Eye lens becomes thin
B. Ciliary muscles relax
C. Suspensory lens become taut
D. Eye lens becomes fat

Question 20:

• WAEC 2017

The diagram above is an illustration of the human sperm. The part labelled I is the

A. Acrosome
B. Nucleus
C. Mitochondrion
D. Tail