MCQ Collection
Pakistan MCQs
Practice Pakistan questions with answers and explanations.
Choose an option to check your answer.
Correct Answer: A. Nitronium ion, NO₂⁺
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
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Correct Answer: B. Urinary salts crystallize and aggregate
Explanation:
Concentrated urine can promote mineral crystallization.
Hydration and medical procedures are used according to stone type and size.
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Correct Answer: B. They bind a single specific antigenic epitope
Explanation:
Identical antibody molecules have highly specific binding sites.
They can detect hormones, pathogens or disease markers.
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Correct Answer: B. FeBr₃
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
Choose an option to check your answer.
Correct Answer: C. Urinary salts crystallize and aggregate
Explanation:
Concentrated urine can promote mineral crystallization.
Hydration and medical procedures are used according to stone type and size.
Choose an option to check your answer.
Correct Answer: C. Human insulin
Explanation:
Engineered microorganisms can produce human insulin protein.
Purified recombinant insulin is used to treat diabetes.
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Correct Answer: C. AlCl₃
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
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Correct Answer: D. Long-standing hypertension
Explanation:
Persistent high pressure damages glomeruli and renal arteries.
Diabetes is another major chronic cause.
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Correct Answer: D. Human insulin
Explanation:
Engineered microorganisms can produce human insulin protein.
Purified recombinant insulin is used to treat diabetes.
Choose an option to check your answer.
Correct Answer: D. Nucleophilic substitution
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
Choose an option to check your answer.
Correct Answer: A. Long-standing hypertension
Explanation:
Persistent high pressure damages glomeruli and renal arteries.
Diabetes is another major chronic cause.
Choose an option to check your answer.
Correct Answer: A. Human insulin
Explanation:
Engineered microorganisms can produce human insulin protein.
Purified recombinant insulin is used to treat diabetes.
