Mineral requirements - Jamb Biology Past Questions and Answers

Question 6:

• JAMB 1982

Treatment of a poor soil with lime supplies

A. Sulphur
B. Calcium
C. Phosphorus
D. Sodium
E. Nitrogen

Question 7:

• JAMB 1983

Which of the following elements are necessary for the formation of chlorophyll in a plant?

A. Magnesium and iron
B. Calcium and potassium
C. Calcium and sulphur
D. Potasium and sulphur
E. Phosphorus and potassium

Question 8:

• JAMB 1985

A young plant showing yellow leaves is likely NOT to be deficient in?

A. Calcium
B. Magnesium
C. Potassium
D. Boron

Question 9:

• JAMB 1986

Which of these is a trace element?

A. Iron
B. Copper
C. Calcium
D. Sulphur

Question 10:

• JAMB 1987

In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to

A. Prevent alga growth in culture solution
B. Allow root growth
C. Prevent breakdown of mineral elements
D. Prevent photosynthesis in the root