Jamb Biology 1984 Past Questions and Answers

Question 36:

• JAMB 1984

The axial skeleton of a mammal does not include the bones of the

A. Skull
B. Tail
C. Limbs
D. Back
E. Neck

Question 37:

• JAMB 1984

Which of the following sequences represents process of blood clothing? 1. Fibrins forms a network of threads 2. Red blood cells are caught and clot is formed 3. Fibrinogen in plasma changes into fibrin 4. Blood is exposed to air

A. 4, 3, 2, 1
B. 4, 3, 1, 2
C. 3, 1, 4, 2
D. 1, 2, 3, 4
E. 3, 1, 2, 4

Question 38:

• JAMB 1984

Green plants are important in the ecosystem because they are

A. Primary consumers
B. Producers
C. Decomposers
D. Secondary consumers
E. Scavengers

Question 39:

• JAMB 1984

An anemometer is an instrument for measuring

A. Relative humidity
B. Altitude
C. Wind speed
D. Turbidity
E. Salinity

Question 40:

• JAMB 1984

Which of the following is NOT regarded as a pollutant on land or in the air?

A. Smoke
B. Noise
C. Sulphur (IV) oxide
D. Carbon monoxide
E. Nitrogen