Acche Marks

Write priciples of farm management.

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Farm management adheres to the following principles: 1. Choosing high-yield breeds. 2. Comprehending farm animals’ feed needs. 3. Providing ample nutritional sources for animals. 4. Ensuring environmental cleanliness. 5. Sustaining health through veterinary oversight. 6. Implementing vaccination initiatives. 7. Creating high-yield crossbred varieties. 8. Producing diverse items and preserving them. 9. Handling distribution and marketing … Read more

Name any two enzymes and antibiotics with their microbial source.

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Antibiotics: 1. Chloromycetin is sourced from Streptomyces venezuelae. 2. Erythromycin is derived from Streptomyces erythreus. 3. Penicillin is produced by Penicillium chrysogenum. 4. Streptomycin is obtained from Streptomyces griseus. 5. Griseofulvin comes from Penicillium griseojulvum. 6. Bacitracin is sourced from Bacillus licheniformis. 7. Oxytetracyclin (Terramycin) is produced by Streptomyces aurifaciens. Enzyme: Invertase is derived from … Read more

Write a note on biocontrol agents.

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Biocontrol agents, such as bacteria, fungi, viruses, and protozoans, are utilized to manage pathogens, pests, and weeds. They either induce the disease in pests, compete with them, or directly eliminate them. Examples: Bacillus thuringiensis: 1. Bacillus thuringiensis (Bt) serves as a microbial pesticide specifically designed for eliminating butterflies and caterpillars. 2. Bt is employed to … Read more

What is biogas? Write in brief about the production process.

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Biogas, an eco-friendly renewable energy, results from breaking down organic matter like food scraps and animal waste. It can power vehicles, heat homes, and generate electricity. Anaerobic digestion encompasses the following processes: i. Hydrolysis or solubilization: Clostridium and Pseudomonas, as anaerobic hydrolyzing bacteria, break down carbohydrates into simple sugars, proteins into amino acids, and lipids … Read more

Many microbes are used at home during preparation of food items. Comment on such useful ones with examples.

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1. Many home-cooked dishes involve the use of microorganisms. 2. Dhokla is prepared from gram flour and buttermilk using Lactobacilli through fermentation. 3. Dosa and idlis are made from rice and black gram batter, fermented by airborne Leuconostoc and Streptococcus bacteria. 4. Some mushrooms and truffles, with large fleshy fruiting bodies, are consumed as sugar-free, … Read more