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Biology Past Questions and Answers

Waec Biology Questions

Question 126:

A pair of genes which controls a trait is described as

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A Dominant
B Recessive
C Allele
D Variant
E Hybrid

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Question 127:

The genetic make-up of an organism is described as its

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A Phenotype
B Genotype
C Character
D Chromosome
E Allele

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Question 128:

The precondition for transfusion of blood to an accident victim is

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A Seeking the consent to his parents
B Ascertaining the religious belief of the victim
C Cross-matching the blood group of the donor with that of the accident victim
D Curing the donor of any disease traced in his blood
E Rewarding the donor with food and money.

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Question 129:

Adaptive radiation as illustrated by the variety of forms in insects can be regarded as

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A Behavioral modification
B A case of rapid population growth
C A physiological process
D An evidence of evolution
E A population control mechanism

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Question 130:

Which of the following statements about the modifications of pentadactyl fore-limb is not correct?

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A Wings are modified for flying in birds
B Flippers are modified for grasping in sharks
C Legs are modified for walking and running in antelopes
D Arms are adapted for grasping and holding in human beings
E Flippers are modified for swimming in whales

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