FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 391:

• JAMB 1990

Haemophilia results from the mutation of the genes

A. In the sex chromosome
B. Which control skin colour
C. Which control the mechanism for blood-clotting
D. Which control the formation of haemoglobin

Question 392:

• JAMB 1990

Which of the following is an omnivore?

A. Praying mantis
B. Hawk
C. Mouse
D. Grasshopper

Question 393:

• JAMB 1990

What do bacteria in root nodules derive from the host plant?

A. Protection and minerals
B. Water and minerals
C. Carbonhydrates and water
D. Protection and carbohydrates

Question 394:

• JAMB 1990

Free nitrogen is released to the atmosphere by

A. Nitrogen-fixing bacteria
B. Nitrifying bacteria
C. Denitrifying bacteria
D. Saprophytic bacteria

Question 395:

• JAMB 1990

Which structure is the glomerulus?

A. 5
B. 3
C. 2
D. 1