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English Language
Error Detection

English grammar, vocabulary and comprehension

58 Q 10 Topics Take Mock Test
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Difficulty: All Easy Medium Hard 31–40 of 58
Topics in English Language
Q.31 Medium Error Detection
Identify the error in: 'The phenomenon of social media have revolutionized communication patterns among youths in recent years.'
A No error
B have should be has
C revolutionized should be revolutionizing
D youths should be youth
Correct Answer:  B. have should be has
EXPLANATION

Singular subject 'phenomenon' requires 'has' not 'have'. Youth is the plural form, so 'youths' is also incorrect, but the primary error is verb agreement.

Test
Q.32 Medium Error Detection
Identify the error: 'Either the manager or the assistant are responsible for updating the client files regularly.'
A are should be is
B responsible should be responsible for
C No error
D files should be file
Correct Answer:  A. are should be is
EXPLANATION

With 'either...or', the verb agrees with the nearer noun. 'Assistant' is singular, so 'is' is correct: 'either...or is'.

Test
Q.33 Medium Error Detection
Which option best completes: 'The researcher's hypothesis was _____ by extensive field data, making her conclusions highly credible.'
A validated
B invalidated
C undermined
D questioned
Correct Answer:  A. validated
EXPLANATION

The context shows the researcher's conclusions are credible, meaning her hypothesis was confirmed/validated by data, not challenged.

Test
Q.34 Medium Error Detection
Identify the error: 'The data shows that majority of respondents prefers online shopping over traditional retail.'
A shows should be show
B prefers should be prefer
C respondents should be respondent
D No error
Correct Answer:  B. prefers should be prefer
EXPLANATION

'Majority' is a plural noun here (majority of respondents), requiring the plural verb 'prefer'.

Test
Q.35 Medium Error Detection
Read the passage: 'The gig economy workforce in India has grown by 45% since 2022. Platforms like Uber and Zomato have revolutionized job creation. Yet, workers lack statutory benefits and job security.' Which title best suits the passage?
A The Rise and Challenges of India's Gig Economy
B Why India Should Ban the Gig Economy
C How Uber and Zomato Created Jobs
D The Benefits of Gig Work
Correct Answer:  A. The Rise and Challenges of India's Gig Economy
EXPLANATION

The passage discusses both the growth (positive) and challenges (negative aspects), making option A the most balanced and comprehensive title.

Test
Q.36 Medium Error Detection
Choose the correct form: 'If I _____ known about the policy change, I would have informed everyone.'
A had
B have
C would have
D will have
Correct Answer:  A. had
EXPLANATION

In the past perfect conditional, use 'had' in the if-clause. The correct form is 'If I had known...I would have...'

Test
Q.37 Medium Error Detection
Identify the error in parallel structure: 'The startup founder was known for her innovation, creativity, and to develop sustainable solutions.'
A innovation should be innovating
B to develop should be developing
C creativity should be creating
D No error
Correct Answer:  B. to develop should be developing
EXPLANATION

Parallel structure requires all items in a list to have the same grammatical form. 'Innovation, creativity, and developing' maintains parallelism.

Test
Q.38 Medium Error Detection
Arrange the sentences in logical order:
P: The e-commerce sector in India experienced unprecedented growth in 2024.
Q: Consumer confidence and digital payment adoption were key drivers.
R: However, regulatory challenges posed significant hurdles.
S: This expansion created millions of new employment opportunities.
A P-Q-S-R
B P-S-Q-R
C Q-P-R-S
D P-R-Q-S
Correct Answer:  A. P-Q-S-R
EXPLANATION

The logical flow is: introduction of growth (P) → reasons for growth (Q) → positive outcome (S) → challenges (R) creates a complete narrative arc.

Test
Q.39 Medium Error Detection
Identify the error: 'Neither the students nor the teacher were prepared for the sudden examination.'
A students should be student
B were should be was
C No error
D prepared should be preparing
Correct Answer:  B. were should be was
EXPLANATION

With 'neither...nor' construction, the verb agrees with the nearer noun. 'Teacher' is singular, so 'was' is correct.

Test
Q.40 Medium Error Detection
Which sentence demonstrates correct use of 'ensure' vs 'insure'?
A The company will insure quality standards in manufacturing.
B We must ensure that all equipment is properly insured.
C Managers insured the project completion within budget.
D Safety protocols insure worker protection.
Correct Answer:  B. We must ensure that all equipment is properly insured.
EXPLANATION

'Ensure' means guarantee/make certain; 'insure' means provide insurance. Option B correctly uses 'ensure' for making certain and 'insured' for insurance coverage.

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