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Biology Past Questions and Answers

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Biology Questions

Question 381:

Green plants are important in the ecosystem because they are

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A Primary consumers
B Producers
C Decomposers
D Secondary consumers
E Scavengers

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Question 382:

An anemometer is an instrument for measuring

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A Relative humidity
B Altitude
C Wind speed
D Turbidity
E Salinity

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Question 383:

Which of the following is NOT regarded as a pollutant on land or in the air?

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A Smoke
B Noise
C Sulphur (IV) oxide
D Carbon monoxide
E Nitrogen

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Question 384:

Which of the following groups of factors is completely abiotic?

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A Salinity, tide, plankton, turbidity
B Temperaure, pH, soil, insect
C Wind, altitude, humidity, light
D Conifers, wind, pH, rainfall
E Soil, water, bacteria, salinity

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Question 385:

Which of the following lists of diseases, their causes and transmission is CORRECT?

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A Cholera, virus, severe diarrhoea, infected water
B Malaria, protozoan, high fever, contact with infected person
C Syphilis, virus, veneral disease, sexual intercourse
D Small pox, virus, skin with blister, close contact with infected person
E Sleeping sickness, bacteria, tiredness, headache and dozing, tsetsefly bite

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