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Biology Past Questions and Answers

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Waec Biology Questions

Question 1386:

Which of the following statements is not true about continuous variation? It

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A Is usually controlled by several genes
B Can be influenced by environmental factors
C Follows a normal distribution curve
D Is usually controlled by one or two pair(s) of genes

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Question 1387:

Acquired characters are

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A Received from parents
B Passed to offspring
C Caused by the environment
D Caused by mutation

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Question 1388:

Differences in characteristics observed between individuals of the same species is known as

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A Trait
B Phenotype
C Mutation
D Variation

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Question 1389:

Which of the following statements best describes protein synthesis?

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A DNA is directly involved in translation
B Translocation oft e ribosomes exposes a new codon for base pairing with an amino acid
C Each tRNA with a particular anticodon always carries a different protein in the process
D One amino acid is always carried by more than one

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Question 1390:

If a person has two alleles of the sickle cell anaemia gene, the person

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A Is a heterozygous carrier of the disease
B Is immune to the disease and cannot pass it on to an offspring
C Has the disease
D Is probably of Asian ancestry

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