🚀 50 High-Level Error Detection MCQs with Answers & Explanations (UGC NET, SSC, Banking Exams)
Error Detection is one of the most scoring yet tricky topics in English grammar. It tests your understanding of tenses, subject-verb agreement, articles, prepositions, and sentence structure.
This post gives you 50 carefully designed MCQs with explanations to sharpen your accuracy.
📘 Quick Tip Before You Start
👉 Read the sentence carefully
👉 Identify grammatical mismatch
👉 Focus on subject-verb agreement, tense, and article usage
✅ Error Detection MCQs (1–25)
1. She go to school every day.
A. She
B. go
C. to school
D. every day
✅ Answer: B
Explanation: “She” is singular → “goes” should be used.
2. He do not like tea.
A. He
B. do
C. not
D. tea
✅ Answer: B
Explanation: Singular subject → “does not like”.
3. The informations are correct.
A. The
B. informations
C. are
D. correct
✅ Answer: B
Explanation: “Information” is uncountable → no plural form.
4. She has went to the market.
A. She
B. has
C. went
D. market
✅ Answer: C
Explanation: Past participle → “gone”, not “went”.
5. Each of the students have passed.
A. Each
B. of the students
C. have
D. passed
✅ Answer: C
Explanation: “Each” is singular → “has”.
6. He is more taller than his brother.
A. He
B. is
C. more taller
D. brother
✅ Answer: C
Explanation: Double comparison error → “taller”.
7. She did not went there.
A. She
B. did not
C. went
D. there
✅ Answer: C
Explanation: After “did not” → base form “go”.
8. The boy is good in English.
A. The boy
B. is
C. good
D. in English
✅ Answer: D
Explanation: Correct preposition → “at English”.
9. I have seen him yesterday.
A. I
B. have seen
C. him
D. yesterday
✅ Answer: B
Explanation: “Yesterday” → past simple “saw”.
10. She is one of the best student in the class.
A. She
B. is
C. student
D. class
✅ Answer: C
Explanation: “students” (plural after “one of the”).
✅ MCQs (26–50)
26. He plays cricket good.
A. He
B. plays
C. cricket
D. good
✅ Answer: D
Explanation: Adverb needed → “well”.
27. Neither of the answers are correct.
A. Neither
B. of the answers
C. are
D. correct
✅ Answer: C
Explanation: “Neither” → singular → “is”.
28. She suggested me to go there.
A. She
B. suggested
C. me
D. go there
✅ Answer: C
Explanation: Correct form → “suggested that I go”.
29. The furniture are old.
A. The
B. furniture
C. are
D. old
✅ Answer: C
Explanation: “Furniture” is uncountable → “is”.
30. He is married with a doctor.
A. He
B. is
C. married
D. with
✅ Answer: D
Explanation: Correct preposition → “to a doctor”.
31. She told that she was busy.
A. She
B. told
C. that
D. busy
✅ Answer: B
Explanation: “told me that” required.
32. The news are very shocking.
A. The
B. news
C. are
D. shocking
✅ Answer: C
Explanation: “News” is singular.
33. He is senior than me.
A. He
B. is
C. senior
D. me
✅ Answer: C
Explanation: “senior to me”.
34. She is married with John.
A. She
B. is
C. married
D. with
✅ Answer: D
Explanation: Correct → “married to John”.
35. I am knowing him well.
A. I
B. am
C. knowing
D. him
✅ Answer: C
Explanation: Stative verb → “know”.
36. He as well as his friends are coming.
A. He
B. as well as
C. his friends
D. are
✅ Answer: D
Explanation: Subject → “He” → singular verb “is”.
37. One of my friend is a doctor.
A. One
B. of my friend
C. is
D. doctor
✅ Answer: B
Explanation: “friends” plural.
38. She has been working here since five years.
A. She
B. has been working
C. here
D. since
✅ Answer: D
Explanation: “for five years”.
39. The boy is afraid from dogs.
A. The boy
B. is
C. afraid
D. from
✅ Answer: D
Explanation: Correct → “afraid of”.
40. He did not helped me.
A. He
B. did not
C. helped
D. me
✅ Answer: C
Explanation: Base form → “help”.
41. She is more smarter than her sister.
A. She
B. is
C. more smarter
D. sister
✅ Answer: C
Explanation: Double comparison error.
42. The childs are playing.
A. The
B. childs
C. are
D. playing
✅ Answer: B
Explanation: Plural → “children”.
43. He prevented me to go there.
A. He
B. prevented
C. me
D. to go
✅ Answer: D
Explanation: “prevented me from going”.
44. She is too much tired.
A. She
B. is
C. too much
D. tired
✅ Answer: C
Explanation: “too tired” (no “much”).
45. He married with her last year.
A. He
B. married
C. with
D. her
✅ Answer: C
Explanation: “married her”.
46. The sceneries are beautiful.
A. The
B. sceneries
C. are
D. beautiful
✅ Answer: B
Explanation: “scenery” is uncountable.
47. She gave me an advice.
A. She
B. gave
C. me
D. an advice
✅ Answer: D
Explanation: “advice” uncountable.
48. He is capable to do it.
A. He
B. is
C. capable
D. to do
✅ Answer: D
Explanation: “capable of doing”.
49. Each boys has a book.
A. Each
B. boys
C. has
D. book
✅ Answer: B
Explanation: “each boy”.
50. She is blind of one eye.
A. She
B. is
C. blind
D. of
✅ Answer: D
Explanation: Correct → “blind in one eye”.
🎯 Quick Error Detection Tricks
✔ Singular subject → singular verb
✔ Uncountable nouns → no plural
✔ Look for wrong prepositions (in/of/for/to)
✔ Check verb after “did/did not” → base form