ECOLOGY - Jamb Biology Past Questions and Answers

Question 56:

• JAMB 1985

Which of the following food chains is in the correct sequence?

A. Weeds → Tadpole → Beetles → Fish → Man
B. Weeds → Tadpole → Fish → Beetles → Man
C. Tadpole → Beetles →Weeds → Man → Fish
D. Man → Fish → Beetles → Tadpole → Weeds
E. Fish → Beetles → Weeds → Man → Tadpoles

Question 57:

• JAMB 1985

The primary and secondary hosts respectively of bilharzia are

A. Fish and man
B. Man and dog
C. Snail and man
D. Man and snail
E. Fish and snail

Question 58:

• JAMB 1985

Which of the following is NOT caused by bacteria?

A. Cholera
B. Gonorrhoea
C. Tuberculosis
D. Onchoceriasis
E. Typhoid

Question 59:

• JAMB 1985

Tsetse fly is harmful to man because it is associated with the spread of

A. River blindness
B. Malaria
C. Sleeping sickness
D. Leprosy
E. Dysentry

Question 60:

• JAMB 1985

Soil erosion CANNOT be controlled by

A. Planting cover crops
B. Contouring of sloping ground
C. Terracing of slopes
D. Laying of mulch
E. Burning of bush