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Biology Past Questions and Answers

Waec Biology Questions

Question 421:

The following are useful measures for conserving forest except

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A Preventing and controlling accidental forest fire
B Encouraging the use of charcoal for industrial and domestic purposes
C Combating and preventing plant diseases
D Reafforestation of depleted forest
E Protection of young growing trees

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Question 422:

The following practices are aimed at soil conservation except

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A Contour ridging
B Application of manures
C Strip cropping
D Bush clearing
E Crop rotation

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Question 423:

Which of the following natural resources is most readily available to all organisms?

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A Water
B Oil
C Food
D Air
E Mineral salts

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Question 424:

Which of the following is an example of discontinuous variation?

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A Height
B Size of head
C Blood group
D Skin colour
E Length of foot

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Question 425:

Hereditary variation is best described as

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A Characters transmitted from generation to generation
B Traits acquired from diseases
C Characters that show up due to social conditions
D Traits acquired from habits and environmental conditions
E Characters that result from physical injuries.

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