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

Question 101:

• JAMB 2004

Nervous control differs from hormonal control in that the former

A. Involves only chemical transmision
B. Is a lower process
C. Produces short-term changes
D. Has no specific pathway

Question 102:

• JAMB 2004

The two keys cation involved in the action potential of nervous transmissions are

A. Na⁺ an Fe²⁺
B. Mg²⁺ and K⁺
C. Na⁺ and K⁺
D. Fe²⁺ and Mg²⁺

Question 103:

• JAMB 2004

The bones labelled II are called

A. Lumbar vertebrae
B. Thoracic vertebrae
C. Cervical vertebrae
D. Sacral vertebrae

Question 104:

• JAMB 2005

The mammalian lung is made air tight by the

A. Pleural cavity
B. Mucous membrane
C. Pleural membrane
D. Diaphragm

Question 105:

• JAMB 2005

From the diagram above The structure labelled I is the

A. Incus
B. Malleus
C. Hammer
D. Stapes