Co-ordination and control - Jamb Biology Past Questions and Answers

Question 116:

• JAMB 2009

In the diagram, the function of the correcting lens is to

A. Diverge incoming rays
B. Converge incoming rays
C. Reflect incoming rays
D. Screen incoming rays

Question 117:

• JAMB 2010

The sheet of muscle that separates the thoracic and the abdominal cavities is the

A. Diaphragm
B. Intercostal muscle
C. Pleural memberane
D. Pericardium

Question 118:

• JAMB 2010

Thyroxine and adrenalin are examples of hormones which control

A. Blood grouping
B. Tongue rolling
C. Behavioural patterns
D. Colour variation

Question 119:

• JAMB 2011

Which of the following is true of leucocytes?

A. They are respiratory pigments
B. They are most numerous and ramify all cells
C. They are large and nucleated
D. They are involved in blood clotting

Question 120:

• JAMB 2011

The conversion of a nutrient into a molecule in the body of a consumer is referred to as

A. Digestion
B. Assimilation
C. Absorption
D. Inhibition