Advertisements
Advertisements
प्रश्न
Name any two industrially important enzymes.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Sketch and label 'tubular tower fermenter'.
The micro-organism used in the production of acetic acid is ______.
Answer the following question based on Meselson and Stahl's experiment on E. coli :
Write the name of the chemical substance used as the only source of nitrogen in the experiment.
What is the microbial source of enzyme Invertase?
Name the enzyme produced by Streptococcus bacterium? Explain its importance in medical Science?
What are A, B, C, and D in the table given below :
| Types of microbe | Name | Commercial product |
| Fungus | A | Penicillin |
| Bacterium | Acetobacter aceti |
B |
| C | Aspergillus niger | Citric acid |
| Yeast | D | Ethanol |
Match the column A with B and rewrite correct pairs.
| A | B | ||
| 1. | citric acid | a) | in medicine for solubility of Ca++ |
| 2. | fumaric acid | b) | confectionary |
| 3. | gluconic acid | c) | in resins as wetting agents |
From the following identify the WRONG statements.
i. All enzymes are composed of proteins.
ii. All proteins are enzymes.
iii. Some hormones are proteins.
iv. Some nucleic acid also acts as enzymes.
v. All enzymes are inorganic in nature.
vi. Enzymes are biocatalysts.
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 |
The causal organism of foolish seedling disease in rice is ____________.
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.
Match the following list of bacteria and their commercially important products:
| Bacterium | Product |
| A. Aspergillus niger | i. Lactic acid |
| B. Acetobacter aceti | ii. Butyric acid |
| C. Clostridium butylicum | iii. Acetic acid |
| D. Lactobacillus | iv. Citric acid |
Choose the correct match:
Write the most important characteristic that Aspergillus niger, Clostridium butylicum, and Lactobacillus share.
What roles do enzymes play in detergents that we use for washing clothes? Are these enzymes produced from some unique microorganisms?
What is a broad spectrum antibiotic? Name one such antibiotic.
Which bacterium has been used as a clot buster? What is its mode of action?
Identify the enzyme ‘A’ in a given reaction.
\[\ce{Fumaric acid + H2O ->['A']Malate}\]
Which of the following is a commercial blood cholestrol lowering agent?
Write the microbial source of following organic acid.
Citric acid
