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

Question 21:

• JAMB 1981

The correct route for a piece of bread eaten by a mammal is

A. Oral cavity - oesophagus - stomach - ileum - rectum
B. Oral - cavity - stomach - oesophagus - duodenum - ileum - rectum
C. Oral cavity - oesophagus - duodenum - rectum
D. Oral cavity - oesophagus - ileum - stomach - duodenum - rectum
E. Oral cavity - oesophagus - stomach - ileum - duodenum - rectum

Question 22:

• JAMB 1982

An hormoiothermic animal kept in a room where the temperature is lower than the body temperature may lose heat by four physical process. Which of the following processes is NOT connected with the body temperature regulation ?

A. Radiation
B. Sweat
C. Evaporation
D. Conduction
E. Convection

Question 23:

• JAMB 1982

The glottis is the opening which leads to the

A. Oesophagus
B. Larynx
C. Nostrils
D. Pharynx
E. Mouth

Question 24:

• JAMB 1982

The parts of the mammalian eye that strongly bend light rays are the

A. Cornea and the lens
B. Cornea and aqueous humour
C. Cornea and vitreous humour
D. Lens and aqueous humour
E. Lens and vitreous humour

Question 25:

• JAMB 1982

when an operculate fish breathes it takes in water through the

A. Mouth and passes it out through the same way
B. Mouth and passes it out through the operculum
C. Operculum and passes it out through the mouth
D. Operculum and passes it out through the nostrils
E. Nostrils and passes it out through the operculum