Jamb Biology 1995 Past Questions and Answers

Question 21:

• JAMB 1995

When a healthy shoot of a flowering plant is illuminated from one side, auxins, accumulate on the

A. Non-illuminated side of the shoot
B. Illuminated side of the shoot
C. Upper side of the shoot
D. Lower side of the shoot

Question 22:

• JAMB 1995

The type of placentaion shown is

A. Axial
B. Marginal
C. Parietal
D. Central

Question 23:

• JAMB 1995

An example of a plant having the placentation shown is

A. Allamander
B. Hibiscus
C. Water lily
D. Pride of Barbados

Question 24:

• JAMB 1995

The term caryopsis is used to describe a fruit in which the

A. Testa and pericarp are separate
B. Seed and endocarp are fused
C. Testa and pericarp are fused
D. Seed coat and fruit wall are impermeable

Question 25:

• JAMB 1995

The sex of a foetus is determined during

A. Meiosis
B. Copulation
C. Fertilization
D. Placentation