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Biology Past Questions and Answers

Waec Biology Questions

Question 751:

Fresh milk is often kept in refrigerated vehicles, for distribution to customers in order to

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A Ensure proper share of fresh milk to all customers.
B Ensure delivery of milk to customers in good time
C Improve the quality of the milk
D Ensure that the milk is presented for a longer period

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Question 752:

In medicine, bacteria have proved very useful due to the production of

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A Nitrate
B Antibiotics
C Cured tobacco
D Tanned leather

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Question 753:

I. Complexion II. Height III. Blood Rh factor IV. Colour blindness
Which of the above human characteristics are discontinuous variations?

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A I and III only
B II and III only
C II and IV only
D III and IV only

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Question 754:

Use the human characteristics to answer this question.
i. Complexion ii. Height iii. Blood Rh factor iv. Colour blindess
Which of the characteristics can be expressed phenotypically?

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A I and II only
B I, II and IV only
C I, III and IV only
D I, II and III only

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Question 755:

Which of the following variations is applicable to a weight lifter?

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A Continuous variation
B Discontinuous variation
C Hereditary variation
D Acquired variation

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