This post presents the complete answer key along with detailed explanations for the 50 MCQs Prepositions Exercise, thoughtfully prepared for students targeting MDCAT and NUMS. Each explanation is based on grammar concepts outlined in the PMDC syllabus and reflects the style of questions frequently seen in MDCAT and NUMS Past Papers. These explanations not only confirm the correct answers but also clarify why each option is right or wrong, helping students strengthen their understanding and avoid common preposition-related mistakes in the actual exam.
Question number: 1
Correct option: A
Explanation: The correct answer is “from” because “deviate from” is the standard phrase meaning to stray away from a path or norm. “To” suggests direction, while “off” is informal in this context.
Question number: 2
Correct option: C
Explanation: The correct answer is “to” because “acceded to” means agreeing to requests. “At” or “for” don’t collocate with “acceded.”
Question number: 3
Correct option: C
Explanation: The correct answer is “for” because “cure for” is the fixed phrase for treatments. “To” or “against” are incorrect in this context.
Question number: 4
Correct option: B
Explanation: The correct answer is “on” because “keen on” expresses strong interest. “For” or “at” don’t fit this idiomatic usage.
Question number: 5
Correct option: D
Explanation: The correct answer is “to” because “allusions to” refers to indirect references. “In” or “on” don’t convey this meaning.
Question number: 6
Correct option: B
Explanation: The correct answer is “to” because “anxious to” shows eagerness to act. “About” would imply worry, not urgency.
Question number: 7
Correct option: B
Explanation: The correct answer is “for” because “aptitude for” indicates natural skill. “On” or “with” are grammatically incorrect here.
Question number: 8
Correct option: C
Explanation: The correct answer is “to” because “blind to” means ignoring faults. “With” or “at” don’t form this phrase.
Question number: 9
Correct option: B
Explanation: The correct answer is “up” because “brought up” means raised. “On” or “over” don’t fit this phrasal verb.
Question number: 10
Correct option: B
Explanation: The correct answer is “to” because “addicted to” is the correct phrase for dependencies. “With” or “from” are incorrect.
Question number: 11
Correct option: A
Explanation: The correct answer is “on” because “depends on” shows reliance. “Of” or “from” don’t collocate with “depends.”
Question number: 12
Correct option: C
Explanation: The correct answer is “in” because “increase in” describes growth in a metric. “Of” or “with” don’t fit this context.
Question number: 13
Correct option: D
Explanation: The correct answer is “paid for” because it means completing a transaction. “Pay for” is present tense, while “paid” alone is incomplete.
Question number: 14
Correct option: D
Explanation: The correct answer is “from” because “suffering from” describes illness. “Of” is outdated, and “with” is incorrect.
Question number: 15
Correct option: C
Explanation: The correct answer is “of” because “thought of” is the correct phrase for considering something. “To” or “from” are grammatically incorrect.
Question number: 16
Correct option: C
Explanation: The correct answer is “A or B” because both “sorry for” and “sorry about” are acceptable for apologies. Context determines slight nuances.
Question number: 17
Correct option: C
Explanation: The correct answer is “for” because “responsible for” assigns duty. “Of” or “with” don’t convey this meaning.
Question number: 18
Correct option: B
Explanation: The correct answer is “of” because “remind of” means causing someone to remember. “On” or “from” are incorrect.
Question number: 19
Correct option: D
Explanation: The correct answer is “All of the above” because “pleased with/about/at” are all grammatically correct, with slight contextual differences.
Question number: 20
Correct option: C
Explanation: The correct answer is “from sleeping” because “prevent from” is the correct phrasal verb. “To sleep” is grammatically incorrect here.
Question number: 21
Correct option: C
Explanation: The correct answer is “on” because “insisted on” means demanding something. “To” or “for” don’t fit this phrase.
Question number: 22
Correct option: B
Explanation: The correct answer is “with” because “difficulty with” describes a problem. “In” is less common in this context.
Question number: 23
Correct option: B
Explanation: The correct answer is “till” because it indicates duration up to a point. “To” suggests direction, while “for” indicates a period.
Question number: 24
Correct option: B
Explanation: The correct answer is “from” because it marks a start date. “Since” would require a present perfect tense (“have worked since”).
Question number: 25
Correct option: B
Explanation: The correct answer is “to” because “to the end” describes movement toward a destination. “Till” implies time, not distance.
Question number: 26
Correct option: A
Explanation: The correct answer is “since” because it pairs with “has been missing” (present perfect) to show an ongoing state from a past time.
Question number: 27
Correct option: B
Explanation: The correct answer is “in” because “in two hours” shows duration. “For” would imply purpose, and “by” suggests a deadline.
Question number: 28
Correct option: C
Explanation: The correct answer is “at, in” because “at” is used for exact times (7 o’clock), and “in” for parts of the day (“morning”).
Question number: 29
Correct option: B
Explanation: The correct answer is “with” because it indicates the tool used (“hatchet”). “By” would imply the doer, not the instrument.
Question number: 30
Correct option: A
Explanation: The correct answer is “between” because it’s used for two entities (families). “Among” is for three or more.
Question number: 31
Correct option: B
Explanation: The correct answer is “Besides” because it means “in addition to.” “Beside” refers to physical position, and “despite” contradicts.
Question number: 32
Correct option: A
Explanation: The correct answer is “by, with” because “by” identifies the doer (lunatic), and “with” the tool (dagger).
Question number: 33
Correct option: B
Explanation: The correct answer is “at” because “looked at” means being observed. “On” or “in” don’t fit this context.
Question number: 34
Correct option: B
Explanation: The correct answer is “to” because “throw to” implies intent for the dog to catch. “At” would suggest aggression.
Question number: 35
Correct option: B
Explanation: The correct answer is “to” because “deaf to” means ignoring requests. “At” or “with” are grammatically incorrect.
Question number: 36
Correct option: C
Explanation: The correct answer is “to” because “beneficial to” is the standard phrase for positive effects. “For” is less common here.
Question number: 37
Correct option: A
Explanation: The correct answer is “of” because “conscious of” means being aware. “About” or “after” don’t collocate correctly.
Question number: 38
Correct option: A
Explanation: The correct answer is “with” because “comply with” means adhering to rules/requests. “To” is incorrect in this context.
Question number: 39
Correct option: C
Explanation: The correct answer is “on” because “conferred on” means granting an award to someone. “At” or “with” are incorrect.
Question number: 40
Correct option: C
Explanation: The correct answer is “on” because “congratulated on” is the standard phrase. “For” is less common but acceptable (hence “B or C” is also correct).
Question number: 41
Correct option: B
Explanation: The correct answer is “with” because “conversant with” means knowledgeable about. “About” or “of” are incorrect.
Question number: 42
Correct option: B
Explanation: The correct answer is “for” because “called for” means demanded. “On” or “at” don’t fit this context.
Question number: 43
Correct option: A
Explanation: The correct answer is “about” because “care about” means valuing something. “For” would imply liking (e.g., “care for tea”).
Question number: 44
Correct option: A
Explanation: The correct answer is “at” because “looking at” describes directing one’s gaze. “By” or “on” are grammatically incorrect.
Question number: 45
Correct option: C
Explanation: The correct answer is “with” because “happy with” expresses satisfaction. “At” or “in” don’t collocate correctly.
Question number: 46
Correct option: A
Explanation: The correct answer is “with” because “impressed with” is the standard phrase. “On” or “in” are incorrect.
Question number: 47
Correct option: D
Explanation: The correct answer is “for” because “waiting for ages” indicates duration. “Since” would require a specific start time.
Question number: 48
Correct option: D
Explanation: The correct answer is “on” because “depends on” shows reliance. “In” or “from” are grammatically incorrect.
Question number: 49
Correct option: B
Explanation: The correct answer is “for” because “waiting for” is the correct phrase for anticipation. “On” or “to” are incorrect.
Question number: 50
Correct option: A
Explanation: The correct answer is “in” because “absorbed in” means deeply engaged. “On” or “with” don’t convey this meaning.