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Biology Past Questions and Answers

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Biology Questions

Question 726:

A food web is more stable than a food chain because

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A It contains more organisms
B It has greater energy source
C It is not easy to destroy
D Every organism has an alternative source

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Question 727:

Which of the following is likely to occur in a deciduous forest during the dry season?

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A New leaves are formed
B The trees die off
C The undergrowth increases
D The ground becomes bare

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Question 728:

Which of these is NOT an adaptive features for arboreal life?

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A Possession of long tail
B Possession of claws
C Possession of teeths
D Counter shading in coat colour

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Question 729:

Which of the following diseases can be prevented by innoculation?

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A Syphilis
B Malaria fever
C Tuberculosis
D Acquired Immune Deficiency Syndrom

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Question 730:

Sources of air pollutants are

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A Industrial chimneys, burning fossil oils and river dam
B Sulphur dioxide, acid rain and pesticides
C Sulphur mines, vehicle exhausts and aerosols
D Sewage, smoke and old vehicle

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