MCQ Collection
Pakistan MCQs
Practice Pakistan questions with answers and explanations.
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Correct Answer: D. The genetic makeup for one or more traits
Explanation:
Genotype refers to allele combinations.
Phenotype results from genotype and environment.
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Correct Answer: A. A three-nucleotide sequence on tRNA complementary to an mRNA codon
Explanation:
The anticodon pairs with the codon during translation.
This ensures delivery of the correct amino acid.
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Correct Answer: A. The genetic makeup for one or more traits
Explanation:
Genotype refers to allele combinations.
Phenotype results from genotype and environment.
Choose an option to check your answer.
Correct Answer: B. A three-nucleotide sequence on tRNA complementary to an mRNA codon
Explanation:
The anticodon pairs with the codon during translation.
This ensures delivery of the correct amino acid.
Choose an option to check your answer.
Correct Answer: B. The genetic makeup for one or more traits
Explanation:
Genotype refers to allele combinations.
Phenotype results from genotype and environment.
Choose an option to check your answer.
Correct Answer: C. A three-nucleotide sequence on tRNA complementary to an mRNA codon
Explanation:
The anticodon pairs with the codon during translation.
This ensures delivery of the correct amino acid.
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Correct Answer: C. Observable characteristics of an organism
Explanation:
Phenotype includes structural, biochemical, and behavioral traits.
It is influenced by genes and environment.
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Correct Answer: D. RNA carrying coding information from DNA to ribosomes
Explanation:
MRNA contains codons specifying amino-acid sequence.
It is translated by ribosomes.
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Correct Answer: D. AUG
Explanation:
AUG codes for methionine and usually serves as the start codon.
It establishes the reading frame.
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Correct Answer: D. Observable characteristics of an organism
Explanation:
Phenotype includes structural, biochemical, and behavioral traits.
It is influenced by genes and environment.
Choose an option to check your answer.
Correct Answer: A. RNA carrying amino acids to the ribosome
Explanation:
TRNA has an anticodon and an amino-acid attachment site.
It matches amino acids to mRNA codons.
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Correct Answer: A. AUG
Explanation:
AUG codes for methionine and usually serves as the start codon.
It establishes the reading frame.
