What is the colustrum requirement for the new born calf on the basis of body weight         

Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.

Antibiotics are useless (A)/and proprietary antiseptic gargles and lozenges (B)/if used in access are (C)/likely to further aggravate the throat (D).

My brother Mohit (a) / is much smarter (b) / then me. (c) / No error (d)

It is what Buddhists and various (A)/other doctrines aim to severe (B)/in an effort to transcend (C)/samsaric rebirth and needless suffering (D).

Identify the segment in the sentence, which contains the grammatical error.

My father did never have an opportunity to go to a University.

The vessels were armed with anti-ship cruise missiles capable of destroying U.S. warships and escort by nuclear submarines.

Even in this age,(1)/ you are unaware of(2)/ your responsibilities, how long(3)/ will you keep wasting your time like this?(4)