The mechanism of gaseous exchange in plants - Jamb Biology Past Questions and Answers

Question 1:

• JAMB 2019

A plant which grows on another plant without apparent harm to the host plant is called

A. An epiphyte
B. A saprophyte
C. A parasite
D. A predator
E. A hermaphrodite

Question 2:

• JAMB 2019

Which of these elements in plants is required in small quantities only

A. Potassium
B. Magnesium
C. Phosphorus
D. Nitrogen
E. Boron

Question 3:

• JAMB 2019

Which of the substance listed below is a trace element of plants?

A. Sodium
B. Phosphate
C. Potassium
D. Copper
E. Nitrate