Directions: The given sentence has been broken up into four different parts. The error, if any, will be in any one part of the sentence. Select the option which contains the part of the sentence which has an error (spelling, grammatical or contextual). If there is no error, choose option E.
Important for :
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D
The error is in fragment D of the sentence.

The writer seems to imply here that the State government is trying measures 'to attract' more people to participate in the regularisation scheme for unauthorised buildings. Clearly, usage of the present participle 'attracting' is erroneous in the fragment.

The correct sentence will therefore be:

Following a poor response to the regularisation scheme for unauthorised buildings, the State government decided to relax conditions to attract wider participation.

Option D is hence the correct answer.
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B
The error is in fragment B of the sentence. As the noun 'bacteria' is plural, the verb must also be plural in number. Thus, usage of 'doesn't' is erroneous here. 

The correct sentence will therefore be:

A new study published in Science says that certain bacteria don't need white light, and instead use far-red light for photosynthesis.

Option B is hence the correct answer.
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E
The sentence given is absolutely correct and has no error in it.

Option E is hence the correct answer.
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A
The fragment A of the sentence is erroneous. The sentence clearly implies that the practice of dowry was there in the past and still persists in India. We, therefore, must use ‘Present Perfect Continuous Tense’ instead of ‘Simple Present Tense’.

We use the present perfect continuous to show that something started in the past and has continued up until now. "For five minutes," "for two weeks," and "since Tuesday" are all durations which can be used with the present perfect continuous.

Ex. They have been talking for the last hour.

The correct sentence will therefore be:

The practice of dowry has been illegal in India since 1961, but it continues to thrive and campaigners say it leaves women vulnerable to domestic violence and even death.

Option A is hence the correct answer.
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B
The error is in fragment B of the sentence. As we can observe the given sentence is type 1 conditional sentence, usage of ‘would’ instead of ‘will’ makes the sentence erroneous.

The correct sentence will therefore be:

If a celebrity comes out openly as gay, it will definitely catch the media attention that will surely give  strength to the LGBT rights movement in India.

Option B is hence the correct answer.