Biology - General Knowledge Questions and Answers

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Which describes the correct pairing of DNA bases?

Guanine - cytosine

Adenine - cytosine

Guanine - thymine

Thymine - cytosine

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Sex determination of child is done by the chromosome of

Father

Mother

Both father and mother

None of these

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The principle of dominance states that

Some alleles are dominant, while others are recessive

All alleles are recessive

All alleles are dominant

Alleles are neither dominant nor recessive

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Which chemical is not found in DNA nucleotides?

Thymine

Uracil

Adenine

All of the above

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Nitrogenous bases in DNA and RNA?

Adenine

Cytosine

Guanine

All the above

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It is the study of hereditary characters transmitted from parents to offspring.

Genetics

Evolution

Embryology

Molecular Biology

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The inherited traits of an organism are controlled by

DNA

Enzymes

Nucleotides

RNA

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Which chromosomes are identical to each other on the basis of their morphology, position of centromere and other characteristics?

Autosome chromosomes

Sex chromosomes

Heterozygous chromosomes

Homologous chromosomes

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Which is the correct pair of inherited chromosomes for the child to be a girl?

X from father and Y from mother

Y from father and X from mother

Y from father and Y from mother

X from father and X from mother