Correct the sentence at the underlined point.
Those from South India claim that biryani from the South is better than the North because it contains a more delicious assortment of local species.
  (A) food of the north
  (B) in the north
  (C) biryani from the north
   (D) No change

Hint: A sentence is correct only if grammatical rules are applied correctly. The above sentence is formed by using the simple present tense. It is used to describe habits, unchanging situations, general truths, and fixed arrangements Rule of the simple present is subject +verb(1st) +s/es + object.

Complete answer:
In the above sentence, there is a comparison going on between biryani from two places of India, South India, and North India. The part of the statement which is underlined ‘the north’ is incorrect because here we are comparing biryanis from two different places, whereas the given sentence compares the biryani of one place with another place and not with its biryani.
Option(D) is incorrect because the underlined part is not going parallel in structure to the first part of the sentence, ‘biryani from the South’.
Option(B) does not specify which context in the north so it's incorrect.
Option(A) by food means whole food, whereas the comparison in the question is between a particular type of food that is biryani.so, option(A) is incorrect.
Option(c) this part is parallel to the first part of the sentence ‘biryani from the south’ in structure and context. Therefore option(A) is correct.

Note:
 The above sentence is comparing biryani from two places of India, South India, and North India. We need to choose the option which is going parallel with the first part of the sentence means comparing biryanis from two different places. So, the correct answer is an option (C): biryani from the north
Those from South India claim that biryani from the South is better than biryani from the north because it contains a more delicious assortment of local species.