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Biology Past Questions and Answers

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Waec Biology Questions

Question 1181:

Which of the following activities constitutes biological control?

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A A small bony fish transported on the back of a shark
B Adding manure to crops in a garden
C Tilapia feeding on the larvae and pupae of mosquito
D A vulture feeding on the carcass of a goat

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Question 1182:

Many diseases caused by bacteria can be treated and cured by using

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A Antiseptics
B Antibiotics
C Antigens
D Antibodies

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Question 1183:

To avoid over fishing in a lake, the following measures may be helpful except

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A Limiting fishing periods
B Regulating the size of nets
C Fishing throughout the year
D Fish breeding exercise

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Question 1184:

Conservation may be promote by

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A Encouraging tree planting
B Systematic deforestation
C Overgrazing of pastures
D Unabated bush timing

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Question 1185:

Which of the following substances is not recycled in an ecosystem?

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A Carbon
B Energy
C Water
D Nitrogen

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