English MCQS by Abdul Mateen Subject specialist

Correct: Retain means to keep or continue to have. A, C, D: These express different actions. Concept: Formal vs. informal synonyms.

Correct: Ambiguous means having more than one possible meaning or being unclear. A, C, D: Opposite meanings. Concept: Vocabulary in context.

Correct: Humble and modest both describe a person who does not boast about achievements. A, C & D: Humble does not naturally describe mountains, buildings, or engines in these contexts. Concept: Context-based synonym and semantic nuance.

Correct: Impartial means fair and unbiased. B: Opposite meaning. C & D: Unrelated to neutrality. Concept: Context-based synonym.

Correct: Deteriorate means to become worse or decline. A & D: Opposite meanings. C: Unrelated. Concept: High-frequency vocabulary.

Correct: Plausible means reasonable or believable. B, C, D: These express disbelief or uncertainty. Concept: Academic vocabulary.

Correct: Joyful expresses a stronger degree of happiness than happy. B, C & D: These differ mainly in usage or formality rather than intensity. Concept: Semantic nuance.

Correct: Meticulous means showing great attention to detail. A, C, D: These describe the opposite behavior. Concept: Competitive exam vocabulary.

Correct: Fragrance has a positive connotation and is commonly used for pleasant smells. A, C & D: Odor or smell would be more appropriate. Concept: Positive and negative connotations.

Correct: Obtain means to get or acquire something. A, C, D: These do not match the meaning. Concept: Formal vocabulary.

Correct: Frugal implies wise spending, while stingy suggests an unwillingness to spend even when appropriate. A & B: Incorrect because the emotional tone differs. D: The difference is mainly connotation, not formality. Concept: Semantic nuance.

Correct: Rapid means fast or swift. A, C, D: These indicate slow progress. Concept: Direct synonym.

Correct: Childish has a negative connotation, meaning immature. A: Childlike would be more appropriate. C & D: The word refers to immaturity, not simply being a child. Concept: Connotation and word choice.

Correct: Assist means to help. B, C, D: These change the meaning of the sentence. Concept: Formal and informal synonyms.

Correct: Prosper means to grow or succeed. A, B, D: These indicate failure or decline. Concept: High-frequency competitive exam vocabulary.

Correct: Observed means examined carefully, fitting the investigative context. B: Opposite meaning. C: Means gathered, not examined. D: Changes the meaning entirely. Concept: Context-based synonym and semantic nuance.

Correct: Vigilant means alert and watchful against danger. A: Opposite meaning. C & D: Do not convey alertness. Concept: Direct synonym.

Correct: Purchase is the formal equivalent of buy. B, C, D: These are also formal-informal pairs, but the question specifically asks for the pair in the order "formal then informal," and Purchase–Buy is the most commonly tested example. Concept: Formal vs. informal synonyms.

Correct: False means not true or incorrect. A, C, D: These express opposite or different meanings. Concept: Contextual vocabulary.