Reference no: EM133933425

Question

A. The Algae.

1. What criteria are used to distinguish among the various groups of algae?

2. Describe the economic importance of the various groups of algae.

3. Discuss the ecological importance of the algae.

4. How are algae blooms related to oxygen depletion?

5. The term seaweed refers to which groups of algae?

6. Which groups of algae are known to produce toxins?

7. Describe the industrial uses of algal polysaccharides.

8. What is the difference between the blue-green algae and the rest of the alga?

9. Speculate why a variety of photosynthetic pigments have evolved in the algae that live in aquatic environment while this diversity is not seen in the land plants?

B. Fungi in the Natural Environment.

1. What characteristics distinguish fungi from plants? What characteristics distinguish them from animals?

2. How does Puccinia graminis begin new infections on wheat when no barberry plants are in the area?

3. Why are scientists interested in mycorrhizal fungi?

4. Describe the ecological roles played by fungi.

5. Compare and contrast the rust and smut fungi.

6. Compare and contrast the sexual reproductive structures of the Ascomycota and Basidiomycota.

7. In what ways are the slime molds fungus-like and in what ways are they animal-like?

8. Describe the use of fungi in bioremediation.

9. Why has late blight of potato resurfaced to become a threat to potato growers?

10. What approaches can be used to control fungal diseases without the widespread use of fungicides?

C. Beverages and Food from Fungi.

1. What are the advantages associated with fermented foods?

2. What is the nutritional value of edible mushrooms? How are mushrooms cultivated?

3. Describe the effects, both positive and negative, of alcohol on health.

4. How does the making of champagne or a sparkling wine differ from the making of a still wine?

5. Identify the following distilled beverages: grain neutral spirits, vodka, gin, whiskey, bourbon, and brandy.

6. How might the history of absinthe be useful to alcohol and drug education programs?

D. Fungi that Affect Human Health.

1. How did Fleming's discovery change the scope of medical science?

2. Differentiate between antibiotics and fungal toxins in terms of their human impact.

3. In what ways do mycotoxins threaten food safety in both developed and developing countries?

4. Discuss the positive and negative impacts of Claviceps purpurea on society.

5. Why are mushrooms in the genus Amanita among the most feared mushrooms?

Discuss the various types of toxins found in the genus.

6. Describe the use of hallucinogenic mushrooms by native people in various parts of the world.

7. Why has there been an increase in the incidence of mycotic infections in recent decades? What are the most common serious mycoses?

8. Describe the importance of fungi as cause of allergic diseases.