Nutrition - Jamb Biology Past Questions and Answers

Question 36:

• JAMB 1985

Euglene is an autotrophic organism because it

A. Has flagella
B. Has plant and animal features
C. Is found in water
D. Can manufacture its food
E. Move fast

Question 37:

• JAMB 1985

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

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

Question 38:

• JAMB 1986

Oxygen liberated during photosynthesis has been demonstrated to come from

A. Carbondioxide
B. Air
C. Water
D. Chlorophyll

Question 39:

• JAMB 1986

Which of these is a trace element?

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

Question 40:

• 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