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

Question 76:

• JAMB 1993

Which path does sound entering the human ear follow?

A. Oval window → ossicles → ear drum
B. Ear drum → oval window → ossicles
C. Ear drum → ossicles → oval window
D. Ossicles → ear drum → oval window

Question 77:

• JAMB 1993

What would happen to a man whose pancreas has been surgically removed?

A. The level of blood sugar would increase
B. The glycogen content of the liver would increase
C. His blood pressure would decrease
D. His weight would increase appreciably

Question 78:

• JAMB 1994

The activity of ptyalin is likely to decrease with an increase in concentration of

A. Oxygen
B. Starch
C. Protein
D. Acid

Question 79:

• JAMB 1994

When a short-sighted person views a distant object without spectacles, the image is formed

A. On the retina
B. In front of the retina
C. Behind the retina
D. On the blind spot

Question 80:

• JAMB 1995

The gland directly affecting metabolic rate, growth and development is known as

A. Adrenal land
B. Thyroid gland
C. Mammary gland
D. Parathyroid gland