Living organisms - Jamb Biology Past Questions and Answers

Question 121:

• JAMB 1992

The essential structural difference between hydra and tapeworm is that while Hydra

A. Has tentacles, tapeworm is parasitic
B. Is diploblastic, tapeworm is triplobastic
C. Has a mouth, tapeworm feeds by suckers
D. Has mesoderm, tapeworm has mesogloea

Question 122:

• JAMB 1992

Which of the following insects undergoes incomplete metamorphosis?

A. Mosquito
B. Termite
C. Housefly
D. Moth

Question 123:

• JAMB 1993

The butterfly is of great economic importance because

A. Of its use in scientific studies
B. It sucks nectar from flowers
C. It adds to the beauty of the enviroment
D. It polllinates flowers of crops and other plants

Question 124:

• JAMB 1993

Which of the following organisms has lost the pentadactyl limb structure?

A. Bat
B. Fish
C. Frog
D. Pigeon

Question 125:

• JAMB 1993

Which of the following is the correct order of the developmental stages?

A. 1->2->3->4->5
B. 5->1->3->2->4
C. 2->1->3->4->5
D. 5->3->2->1->4