Jamb Biology Past Questions and Answers

Question 521:

• JAMB 1987

Sclerenchyma cells are lignified to

A. Strengthen and support the plant
B. Transport synthesized food
C. Conduct water and salt
D. Protect the plant from injury

Question 522:

• JAMB 1987

The pineapple fruit is best described as

A. Aggregate, succulent and indehiscent
B. Aggregate, succulent and dehiscent
C. Multiple, succulent and indehiscent
D. Multiple, succulent and dehiscent

Question 523:

• JAMB 1987

A flower showing radial symmetry is said to be

A. Pentamerous
B. Protandrous
C. Protogynous
D. Actinomorphic

Question 524:

• JAMB 1987

A samara differs from a cypsela by having

A. An extended pericarp
B. A hard pericarp
C. A pericarp fused with seed coat
D. Some hairy outgrowth on the pericarp

Question 525:

• JAMB 1987

The plantain reproduces asexually by

A. Suckers
B. Buds
C. Fragments
D. Spores