Nutrition - Jamb Biology Past Questions and Answers

Question 46:

• JAMB 1988

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

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

Question 47:

• 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 48:

• JAMB 1990

The mode of nutrition in which digestion is extracellular is

A. Holophytic
B. Parasitic
C. Holozoic
D. Saprophytic

Question 49:

• JAMB 1990

The first step in the process of photosynthesis is the

A. Activation of the chlorophyll
B. Photolysis of water
C. Reduction of carbondioxide
D. Formation of sugar

Question 50:

• JAMB 1991

Which of the following is formed immediately after the first product of photosynthesis?

A. Lipid
B. Starch
C. Oxygen
D. Sugar