MCQ Collection
Pakistan MCQs
Practice Pakistan questions with answers and explanations.
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Correct Answer: C. Membrane-bound nucleus
Explanation:
Both cell types have DNA, ribosomes, and membranes.
Eukaryotes possess a nucleus and membrane-bound organelles.
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Correct Answer: C. A small building block that can join to form a polymer
Explanation:
Monomers link through covalent bonds.
Examples include amino acids, nucleotides, and monosaccharides.
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Correct Answer: D. Region containing the chromosome in a prokaryotic cell
Explanation:
The nucleoid is not enclosed by a nuclear membrane.
It contains the main bacterial chromosome.
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Correct Answer: D. A small building block that can join to form a polymer
Explanation:
Monomers link through covalent bonds.
Examples include amino acids, nucleotides, and monosaccharides.
Choose an option to check your answer.
Correct Answer: A. Region containing the chromosome in a prokaryotic cell
Explanation:
The nucleoid is not enclosed by a nuclear membrane.
It contains the main bacterial chromosome.
Choose an option to check your answer.
Correct Answer: A. A small building block that can join to form a polymer
Explanation:
Monomers link through covalent bonds.
Examples include amino acids, nucleotides, and monosaccharides.
Choose an option to check your answer.
Correct Answer: B. Region containing the chromosome in a prokaryotic cell
Explanation:
The nucleoid is not enclosed by a nuclear membrane.
It contains the main bacterial chromosome.
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Correct Answer: B. Formation of a bond by removal of water
Explanation:
Dehydration reactions join monomers into larger molecules.
A water molecule is released during bond formation.
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Correct Answer: C. Small independently replicating DNA molecules in many bacteria
Explanation:
Plasmids often carry accessory genes such as antibiotic resistance.
They can sometimes move between cells.
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Correct Answer: C. Formation of a bond by removal of water
Explanation:
Dehydration reactions join monomers into larger molecules.
A water molecule is released during bond formation.
Choose an option to check your answer.
Correct Answer: D. Small independently replicating DNA molecules in many bacteria
Explanation:
Plasmids often carry accessory genes such as antibiotic resistance.
They can sometimes move between cells.
Choose an option to check your answer.
Correct Answer: D. Formation of a bond by removal of water
Explanation:
Dehydration reactions join monomers into larger molecules.
A water molecule is released during bond formation.