Directions (1-5): Read each sentence to find out whether there is any grammatical or idiomatic error in it. The error, if any, will be in one part of the sentence. The number of that part is the answer. If the sentence is error-free then choose “No error”. (Ignore errors of punctuation, if any.)
Q1. Producing mRNA treatments (A)/ is scalable because (B)/ scientists can makes large (C)/ amounts of mRNA in the lab. (D)
(a) A
(b) B
(c) C
(d) D
(e) No error
Q2. Let us (A)/ congratulate him (B)/ for his success (C)/ in the examination (D)
(a) A
(b) B
(c) C
(d) D
(e) No error
Q3. Ancient artefacts are (A)/ a part of global heritage (B)/ and should not be (C)/ sold to the highest bidder. (D)
(a) A
(b) B
(c) C
(d) D
(e) No error
Q4. When I heard his knock (A)/ I went to the door and opened it, (B)/ but I did not recognize him (C)/ at first because I was not wearing my glasses. (D)
(a) A
(b) B
(c) C
(d) D
(e) No error
Q5. We had heard the engine roar (A)/ as the plane began to move (B)/ and we saw the people (C)/ on the ground waving good bye (D)
(a) A
(b) B
(c) C
(d) D
(e) No error
Solutions
S1. Ans. (c)
Sol. Use ‘make’ in place of ‘makes.
S2. Ans. (c)
Sol. Use ‘on’ in place ‘for’ because ‘congratulate somebody on something’ or ‘Be congratulated on something’ is used. E.g. I congratulated him on his grand success.
S3. Ans. (e)
Sol. The sentence is grammatically correct.
S4. Ans. (a)
Sol. In place of ‘his’, ‘him’ will be used because pronoun used after verbs like ‘hear, watch, behold, see, let, make and bid’ is in objective case. E.g. I saw him yesterday.
S5. Ans. (a)
Sol. Use ‘heard’ in place of ‘had heard’ because ‘had+ third form of verb’ is used in Past perfect while second form of verb is used in simple past.