Paper: BOT-SE-6024

1. Answer the following questions : 1×4=4

(a) In basidiomycetes, the white umbrella- shaped fruiting bodies are called (Fill in the blank)

(b) What do you mean by velum?

(c) What is the common name of Pleurotus sajor-caju?

(d) The toxin secreted by the death cap mushroom commonly responsible for poisoning in Assam is

(i) coprine

(ii) muscarine

(iii) amatoxin

(iv) hydrazine (Choose the correct answer)

2. Answer any three of the following questions: 2×3=6

(a) Mention the two most common methods of cold preservation of mushrooms.

(b) Mention the chemicals used in cases during the canning of mushrooms.

(c) Write about the mineral content of mushrooms.

(d) Mention the materials used in ☑ mushroom bed preparation.

3. Answer any two of the following questions : 5×2=10

(a) Give a brief account on the research institutes involved in mushroom culture technology in India.

“Mushroom cultivation is a low-cost technology.”-Justify.

(c) Explain the factors affecting mushroom bed preparation.

(d) Describe the preparation and sterilization of culture media used for spawn preparation.

4. Answer any three of the following questions: 10×3=30

(a) Describe the method of commercial spawn preparation. Mention the precautions that have to be taken during spawn preparation.

7+3=10

(b) Write an account on the edible mushrooms available in India. Discuss the prospect of marketing of the mushrooms in Assam. 6+4=10

(c) Explain the advantages of adopting mushroom culture technique as a scope of self-employment in Assam. Discuss the prospect of value addition of mushroom with reference to the types of food that can be prepared from mushrooms.

5+5=10

(d) (d) List the infrastructure facilities that have to be present in a mushroom culture laboratory. Explain the process of preparation of compost for mushroom culture.

4+6=10

(e) Discuss about the nutritional and medicinal values of mushrooms. List any three poisonous mushrooms and describe their poisonous effects and symptoms on the body.

5+5=10

(f) Give a detailed account on the short- term and long-term storage of mushrooms.