Directions: In this question, a part of the sentence is made bold. Below are given alternatives to the bold part at (A), (B), (C) and (D) which may improve the sentence. Choose the correct alternative. In case no replacement is needed, mark (E) as your answer.
1
One school of thought believes that the planet is warming without humans doing anything to make it happen.
» Explain it
B
The original sentence is erroneous.

Reason: The reflexive pronoun ‘itself’ is missing in the given sentence. Reflexive pronouns reflect the action back onto the subject. A reflexive pronoun should be used with a transitive verb and it can never be used as a subject in a sentence. Hence ‘itself’ should be used after ‘warming’ in order to make the sentence grammatically correct.

Among the given choices, only option B replaces the given bold part most appropriately.

The sentence after replacement becomes:

One school of thought believes that the planet is warming itself without humans doing anything to make it happen.

Option B is hence the correct answer.
 
2
A dollar weak index and lower US treasury yield are also making the yellow metal attractive for investors.
» Explain it
D
The original sentence is incorrect.

Reason: The writer is referring to the ‘dollar index’. The U.S. Dollar Index is an index (or measure) of the value of the United States dollar relative to a basket of foreign currencies. According to the given sentence, the dollar index has become weak. Therefore, a ‘weak dollar index’ should be used here instead of ‘dollar weak index’ so as to make the sentence correct.

The sentence after replacement becomes:

A weak dollar index and lower US treasury yield are also making the yellow metal attractive for investors.

Option D is hence the correct answer.
 
3
Entrepreneurs should put down some money in a contingency fund even before starting their business.
» Explain it
B
The original sentence is erroneous.

Reason: Usage of the phrasal verb 'put down' which means ‘suppress' is inappropriate in this sentence.

'Put by' which means ‘lay aside for time of need’ would be suitable in this context.

E.g.: I try to put by some money every month.

Hence ‘put aside’ should be used in place of ‘put down’ to make the sentence grammatically and contextually correct.

Among the given choices, only option B replaces the given bold part most appropriately.

The sentence after replacement becomes:

Entrepreneurs should put by some money in a contingency fund even before starting their business.

Option B is hence the correct answer.
 
4
We must do everything we possibly can sooner than we think we can, and more brilliantly and imaginatively than we think possible.
» Explain it
E
The original sentence is absolutely correct and hence the bold part needs no replacement.

Option E is hence the correct answer.
 
5
Most of us recognise our moral obligation towards leave children a decent future, which obviously includes a decent planet.
» Explain it
D
The original sentence is erroneous.

Reason: The word ‘obligation’ must be followed the preposition ‘to’ instead of ‘towards’ in this context. The word ‘obligation’ means ‘duty or commitment’.

Hence, the preposition ‘to’ should be used in place of ‘towards’ in order to make the sentence grammatically and contextually correct.

Among the given choices, only option D replaces the given bold part most appropriately.

The sentence after replacement becomes:

Most of us recognise our moral obligation to leave children a decent future, which obviously includes a decent planet.

Option D is hence the correct answer.