Jamb Biology 1991 Past Questions and Answers

Question 6:

• JAMB 1991

Sting cells are normally found in

A. Flatworms
B. Hydra
C. Snails
D. Paramecium

Question 7:

• JAMB 1991

Which of the following are differentiated into true roots, stems and leaves

A. Algae
B. Schizophyta
C. Pteridophyta
D. Bryophyta

Question 8:

• JAMB 1991

To facilitate gaseous exchange, breathing roots have

A. Stomata
B. Mitochondria
C. Cuticle
D. Lenticels

Question 9:

• JAMB 1991

The annulus of fern sporangium helps in

A. Spore dispersal
B. Conduction of mineral salt
C. Trapping of light energy
D. Water retention

Question 10:

• JAMB 1991

One of the features which adapts Paramecium to its environment is the possession of

A. A regular shape
B. Two nuclei
C. Cilia
D. A pellicle