Jamb Biology 1997 Past Questions and Answers

Question 26:

• JAMB 1997

The function of the part labelled V is for the passage of

A. Pollen tube and pollen nucleus
B. Air, water and pollen nucleus
C. Air, antipodal cells and ovum
D. Synergids and egg cell

Question 27:

• JAMB 1997

The female gamete is represented by

A. I
B. II
C. III
D. Iv

Question 28:

• JAMB 1997

The type of vegetative reproduction illustrated in the diagram above is

A. Grafting
B. Adventitious bud
C. Sucker
D. Aerial layering

Question 29:

• JAMB 1997

coconut and oil palm fruits can be grouped as

A. Berry
B. Legume
C. Capsule
D. Drupe

Question 30:

• JAMB 1997

The substance that is responsible for optical dominance in plants is known as

A. Gibberellin
B. Tannin
C. Auxin
D. Kinin