Question

Q.3 Short Answer Questions.
1. Many microbes are used at home during
preparation of food items. Comment on
such useful ones with examples.
2. What is biogas? Write in brief about the
production process.
3. Write a note on biocontrol agents.
4. Name any two enzymes and antibiotics
with their microbial source.
5. Write priciples of farm management.
6. Give economic importance of fishery.
7. Enlist the species of honey bee mentioning
their specific uses.

( PLEASE FAST)​

Answer 1

Answer:

(1). yeast as it helps in rising dough to make it light and spongy through fermentation.

Explanation:

Give me brainliest.

Answer 2

Answer:

1.1) Propiobacterium shermanii - Used in preparation Swiss Cheese. 2) P.roquefortii - Roquefort Cheese. 3) Lactobacillus - Curd Preparation. 4) Acetobacter aceti - Acetic Acid.

2.Biogas is the mixture of gases produced by the breakdown of organic matter in the absence of oxygen. ... The gases methane, hydrogen, and carbon monoxide (CO) can be combusted or oxidized with oxygen. This energy release allows biogas to be used as a fuel; it can be used for any heating purpose, such as cooking

3. Biocontrol Agents (or) Biological Control Agents. Biocontrol agents are the natural enemies like parasitism, predation and other mechanisms for controlling plant pests. They play an important role in controlling the plant pests like parasitic nematodes, weeds, parasitic nematodes, and mites

4.Chloromycetin is obtained from Streptomyces venezuelae. Erythromycin is obtained from Streptomyces erythreus. Penicillin is obtained from Penicillium chrysogenum. Streptomycin is obtained from Streptomyces griseus

5.The main elements of the economic principles considered in agricultural farm management are comparative advantage, diminishing returns, substitution, cost analysis, opportunity cost, enterprise choice and goal trade-off

6.Sustainable, productive fisheries and aquaculture improve food and nutrition security, increase income and improve livelihoods, promote economic growth and protect our environment and natural resources

7.The rock bee, Apis dorsata (Apidae).

The Indian hive bee, Apis cerana indica (Apidae).

The little bee, Apis florea (Apidae).

The European or Italian bee, Apis mellifera (Apidae).

Dammer bee or stingless bee, Melipona irridipennis