Jamb Biology 2000 Past Questions and Answers

Question 36:

• JAMB 2000

The disaster that would have the least destructive impact on animal life and balance in nature is

A. Chemical pollution
B. Forest fires
C. Oil spillage
D. Grasshopper pests

Question 37:

• JAMB 2000

The legs and beak of an egret resemble those of the heron because they

A. Both feed on fishes
B. Are both birds
C. Occupy similar niche
D. Occupy the same trophic level

Question 38:

• JAMB 2000

The factors that determine the distribution of vegetation zones are

A. Temperature, light, rain and humidity
B. Light, humidity, air and mist
C. Temperature, light, air and humidity
D. Humidity, snow, frost and dew

Question 39:

• JAMB 2000

A cross between an albino female and a genetically normal male will result in offspring that are

A. All albino
B. All phenotypically normal
C. All genetically normal
D. Half albino and half normal

Question 40:

• JAMB 2000

The pollutants that contribute to the depletion of the ozone layer in the atmosphere are

A. Radioactive materials
B. Oxides of sulphur
C. Oxides of carbon
D. Chlorofluorocarbons