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

Question 51:

• JAMB 1988

In the mammalian respiratory system, exchange of gases occurs in the

A. Lungs
B. Bronchi
C. Bronchioles
D. Alveoli

Question 52:

• JAMB 1988

In a mammal, the placenta performs functions similar to those to the

A. Lungs kidneys and digestive system
B. Lungs, heart and nervous system
C. Liver, intestines and reproductive system
D. Intestine, heart and digestive system

Question 53:

• JAMB 1988

The main function of the choroid is

A. Protection of the eye ball
B. Transmission of light
C. Supply of nutrient to tissue of the eye
D. Converging light

Question 54:

• JAMB 1988

What part of the central nervous system is concerned with answering an examination question

A. Cerebrum
B. Cerebellum
C. Medulla oblongata
D. Spinal cord

Question 55:

• JAMB 1988

The most important substance necessary for the maintenance of life are carbon , oxygen

A. Hydrogen, soil and enzymes
B. Hydrogen, salt and water
C. Nitrogen, salt and soil
D. Nitrogen, salt and water