Question

Match List-I with List-II

	List-I		List-II
(a)	Aspergillus niger	(i)	Acetic Acid
(b)	Acetobacter aceti	(ii)	Lactic Acid
(c)	Clostridium butylicum	(iii)	Citric Acid
(d)	Lactobacillus	(iv)	Butyric Acid

Choose the correct answer from the options given below.

• A. a - ii, b - iii, c - i, d - iv
• B. a - i, b - ii, c - iii, d - iv
• C. a - iv, b - ii, c - i, d - iii
• D. a - iii, b - i, c - iv, d - ii

Answer 1

The correct option is D a - iii, b - i, c - iv, d - ii

Certain microbes are used for the production of beneficial products like organic acids.

Some of them include:

Fungi:

Aspergillus niger: it is used in the production of citric acid.

Bacteria:

Acetobacter aceti: it is used in the production of acetic acid.

Clostridium butylicum: it is used in the production of butyric acid.

Lactobacillus: these bacteria ferment the milk sugar lactose to produce lactic acid.