EASY
Earn 100

How is vinegar produced commercially?
(a)By fermentation of sugar by Aspergillus.
(b)By fermentation of sugar by Saccharomyces cerevisiae.
(c)In a two step process, first involving fermentation of sugar by yeast and second involving fermentation of ethyl alcohol by acetic acid bacteria.
(d)By fermentation of sugar by Lactobacillus.

50% studentsanswered this correctly
Important Questions on Reproduction in Organisms
MEDIUM
Match the following columns and select the correct option.
Column-I | Column-II | ||
(a) | Clostridium butylicum | (i) | Cyclosporin-A |
(b) | Trichoderma polysporum | (ii) | Butyric Acid |
(c) | Monascus purpureus | (iii) | Citric Acid |
(d) | Aspergillus niger | (iv) | Blood cholesterol lowering agent |

MEDIUM
Match List with List.
List | List | ||
(a) | Aspergillus niger | (i) | Acetic acid |
(b) | Acetobacter aceti | (ii) | Lactic acid |
(c) | Clostridium butylicum | (iii) | Citric acid |
(d) | Lactobacillus | (iv) | Butyric acid |

EASY

MEDIUM
Match the following
Column - I | Column - II | ||
i. | Cyclosporin-A | a. | Clot busters |
ii. | Streptokinase | b. | Antibiotic |
iii. | Statins | c. | Immunosuppressive agent |
iv. | Penicillin | d. | Blood cholesterol lowering agent |

EASY

EASY
Match the following bacteria of List-I with their commercial products of List-II:
List-I | List-II | ||
1. | Lactobacillus | I. | Butyric acid |
2. | Aspergillus niger | II. | Acetic acid |
3. | Acetobacteraceae | III. | Lactic acid |
4. | Clostridium butyricum | IV. | Citric acid |
Select the code for the correct answer from the options given below.

EASY

EASY
Give microbial source of the following products in industrial production:
Pectinase

EASY

EASY

HARD

EASY

MEDIUM

MEDIUM
Column–I | Column–II | ||
a. | Citric acid | (i) | Trichoderma |
b. | Cyclosporin A | (ii) | Clostridium |
c. | Statins | (iii) | Aspergillus |
d. | Butyric acid | (iv) | Monascus |

EASY

EASY
Give microbial source of the following products in industrial production:
Vitamin B12

EASY
Give microbial source of the following products in industrial production:
Chloromycetin

EASY

HARD

MEDIUM

