Target Exam

CUET

Subject

Biology

Chapter

Microbes in Human Welfare

Question:

Match List - I with List - II.

List – I

(Name of microorganism)

List – II

(Chemical)

(A) Aspergillus niger

(I) Citric acid

(B) Acetobacter aceti

(II) Acetic acid

(C) Clostridium butylicum

(III) Butyric acid

(D) Lactobacillus

(IV) Lactic acid

Choose the correct answer from the options given below:

Options:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)

(A)-(II), (B)-(I), (C)-(III), (D)-(IV)

(A)-(I), (B)-(II), (C)-(IV), (D)-(III)

(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

Correct Answer:

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)

Explanation:

The correct answer is Option (1) → (A)-(I), (B)-(II), (C)-(III), (D)-(IV)

List – I

(Name of microorganism)

List – II

(Chemical)

(A) Aspergillus niger

(I) Citric acid

(B) Acetobacter aceti

(II) Acetic acid

(C) Clostridium butylicum

(III) Butyric acid

(D) Lactobacillus

(IV) Lactic acid

Microbes are also used for commercial and industrial production of certain chemicals like organic acids, alcohols and enzymes. Examples of acid producers are Aspergillus niger (a fungus) of citric acid, Acetobacter aceti (a bacterium) of acetic acid; Clostridium butylicum (a bacterium) of butyric acid and Lactobacillus (a bacterium) of lactic acid.