FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 341:

• 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

Question 342:

• JAMB 1988

The mineral nutrient that is most bound to the soil is

A. Phosphorus
B. Calcium
C. Iron
D. Potassium

Question 343:

• JAMB 1988

The mineral nutrient that easily gets leached out of the soil is

A. Phosphorus
B. Calcium
C. Magnesium
D. Nitrate

Question 344:

• JAMB 1988

Most commercial fertilizers are rich in salts of

A. Sodium, iron and calcium
B. Nitrogen, phosphorus and potassium
C. Iron, copper and nitrogen
D. Calcium, sodium and phosphorus

Question 345:

• JAMB 1988

At what stage in this cycle can man be infected?

A. 2
B. 4
C. 5
D. 6