Co-ordination and control - Jamb Biology Past Questions and Answers

Question 31:

• JAMB 1983

The part of the mammalian brain responsible for maintaining balance is the

A. Medulla oblongata
B. Olfactory lobe
C. Cerebellum
D. Cerebrum
E. Frontal lobe

Question 32:

• JAMB 1983

In what order do the following structure develop during the metamorphosis of the toad? 1. External gills 2. Internal gills 3. Forelimbs 4.Hindlimbs 5. Mouth

A. 12345
B. 15243
C. 21345
D. 53412
E. 54321

Question 33:

• JAMB 1983

The function of the ossicles (malleus, incus and stapes) in the mammalian ear is

A. Transmission of vibrations
B. Regulation of pressure
C. Support of the inner ear
D. Maintenance of balance during motion
E. Secretion of oil

Question 34:

• JAMB 1984

The mouth parts of the housefly are adapted for

A. Lapping and sponging
B. Sucking and chewing
C. Piercing and sucking
D. Chewing and lapping
E. Biting and chewing

Question 35:

• JAMB 1984

Which of the following statement is NOT true of enzymes? They

A. Are proteins
B. Need cofactors to activate them
C. Are sensitive in their action
D. Are specific in their action
E. Can withstand high temperature