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Biology Past Questions and Answers

Waec Biology Questions

Question 426:

An individual with blood group AB can receive blood from those in blood group(s)

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A AB only B
B A and B only
C B only
D AB and O only
E A, B, AB and O

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Question 427:

The statement that the environment determines which organisms survives to reproduce

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A Explains the theory of acquired characters
B Supports Jean Lamarck’s theory of use and disuse
C Supports the idea of survival of the fittest
D Is refuted by fossil records
E Implies that organisms modify their environment in order to survive.

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Question 428:

Which of the following is a definition of heredity? It is the

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A Non-resemblance of closely related organisms
B Total absence of parental traits in offspring
C Absence of variation in organisms
D Transfer of characteristics from parents to offspring
E Cause of infant mortality.

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Question 429:

Which of the following is not a reason why an offspring looks different from its parents?

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A Random reorganisation of chromosome during gamete formation
B Existence of multiple alleles in organisms
C Formation of chasmata in chromatids during meiosis
D Mutation which gives rise to new combination of gene
E Mitosis of the zygote produces new combination of chromosomes

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Question 430:

The pair of genes expressed in a heterozygous individual is described as

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A Allele
B Chromatid
C Dominant gene
D Centrosome
E Chromomere

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