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Biology Past Questions and Answers

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Waec Biology Questions

Question 1306:

Which of the following is a biotic component of an ecosystem?

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A Soil
B Rainfall
C Light
D Fungi

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Question 1307:

A moss plant can withstand drought by means of its

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A Spores
B Rhizoids
C Antheridia
D Achegonia

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Question 1308:

Which of the following factors is the main problem facing xerophytic plants?

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A Competition for sunlight
B Conservation of excess water
C Inadequate roots for water absorption
D Lack of adequate water

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Question 1309:

The following are greenhouse gases except

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A Carbon dioxide
B Chlorofluorocarbon
C Methane
D Oxygen

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Question 1310:

Rural-urban migration in developing countries can be prevented by

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A Increasing the number of years in school
B Putting up more factories in urban areas
C Having boarding schools in rural areas
D Even distribution of facilities in both regions

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