Jamb Biology 1982 Past Questions and Answers

Question 16:

• JAMB 1982

Roots of plants are normally

A. Positively phototropic
B. Negatively geotropic
C. Negatively hydrotropic
D. Positively hydrotropic
E. Negatively chemotropic

Question 17:

• JAMB 1982

The main function of the swim-bladder is for

A. Swimming
B. Detecting sound
C. Buoyancy
D. Breathing
E. Reproduction

Question 18:

• JAMB 1982

Which of the following pairs are the products of sucrose hydrolysis?

A. Glucose + glucose
B. Fructose + fructose
C. Glucose + fructose
D. Galactose + glucose
E. Fructose + galactose

Question 19:

• JAMB 1982

Which of the vertebra has a projection called odontoid process?

A. Atlas
B. Axis
C. Thoracic
D. Lumber
E. Caudal

Question 20:

• JAMB 1982

Refrigeration, as a method of preservation, has ONE of the following characteristics:

A. Kills all the bacteria
B. Kill most of the bacteria
C. Makes the bacteria inactive
D. Dries food
E. Hydrolyses food