FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 376:

• JAMB 1990

The mode of nutrition in which digestion is extracellular is

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

Question 377:

• 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 378:

• JAMB 1990

The organ which secretes digestive enzymes as well as hormones is the

A. Liver
B. Salivary gland
C. Pancreas
D. Spleen

Question 379:

• JAMB 1990

If a ring of bark and phloem is removed from a stem, the

A. Plant dies immediately
B. Plant dies after two days
C. Movement of food is not affected
D. Movement of minerals is hardly affected

Question 380:

• JAMB 1990

Transpiration can be measured with a

A. Photometer
B. Hygrometer
C. Potometer
D. Barometer