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प्रश्न
Name any two industrially important enzymes.
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उत्तर
- Lipases are used in detergent formulations and are helpful in removing oily stains from the laundry.
- Pectinases and proteases are used as clarifying agents in making commercial fruit and vegetable juices.
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संबंधित प्रश्न
Why are the fruit juices bought from market clearer as compared to those made at home?
Name the secondary metabolites in Catharanthus roseus.
MOET technique is used for _____________.
Saccharomyces cerevisiae is used to produce enzyme ______.
Which of the following is known as brewer's yeast?
Which of the following is a good producer of citric acid?
Which of the following are produced without distillation?
Match Column I (Product) and Column II (Source organisms/Organisms used in production) and choose the correct option.
| Column I | Column II | ||
| i. | Vitamin C | a. | S. cerevisiae |
| ii. | Beer | b. | A. niger |
| iii. | Chloromycetin | c. | Sclerotiana libertine |
| iv. | Pectinase | d. | S. venezuelae |
Which one of the following processes involved in alcohol production is NOT involved in wine production?
Match the following product in column - I with their ource in column - II. Select the correct option.
| Column - I | Column - II | ||
| (a) | Gluconic acid | (i) | Trichoderma koenigii |
| (b) | Vitamin B12 | (ii) | Streptomyces erythreus |
| (c) | Erythromycin | (iii) | Pseudomonas denitrificans |
| (d) | Cellulase | (iv) | Aspergillus niger |
In alcoholic fermentation:
Antibiotics are -
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.
Write the most important characteristic that Aspergillus niger, Clostridium butylicum, and Lactobacillus share.
Match the following products with their microbial sources:
| Products | Microbial Sources | ||
| (a) | Vitamin B2 | (1) | Rhizopus arrhizus |
| (b) | Fumaric acid | (2) | Candida lipolytica |
| (c) | Vitamin B12 | (3) | Trichoderma konigii |
| (d) | Lipase | (4) | Neurospora gossypii |
| (e) | Cellulase | (5) | Pseudomonas denitrificans |
| (f) | Citric Acid | (6) | Aspergillus niger |
Identify the enzyme ‘A’ in a given reaction.
\[\ce{Fumaric acid + H2O ->['A']Malate}\]
______ is used for the production of beverages like wine, beer whiskey, brandy or rum.
Given below are the list of the commercially important products and their source organisms. Select the option that gives the correct matches.
| List A | List B | ||
| S. No. | Bioactive Products | S. No. |
Microbes (Source Organism) |
| (A) | Cyclosporin - A | (i) | Streptococcus |
| (B) | Statins | (ii) | Trichoderma polysporum |
| (C) | Streptokinase | (iii) | Penicillium notatum |
| (D) | Penicillin | (iv) | Monascus purpureus |
Write the microbial source of following organic acid:
Fumaric acid
