Advertisements
Advertisements
Question
________ is a substance obtained by microbial processing that functions as an artificial sweetener.
Options
Nycin
Lysine
Xanthenes
Xylitol
Solution
Xylitol is a substance obtained by microbial processing that functions as an artificial sweetener.
RELATED QUESTIONS
What are antibiotics?
“Solving the problem of pollution is an effective way of environmental management” Justify the statement.
Complete the following conceptual picture.
Name the following method of solid waste management.
Find an odd one out.
Vinegar means 4% ___________.
Spinosad is a biopesticide.
Write a short note.
Bio-fuels
Write a short note.
Bioinsecticides
How are microbes useful in land filling for solid waste management?
Briefly explain the environmental role of microorganisms in pollution control?
Observe the figure and write the answers to the questions asked.
- Name the above figure.
- What is it used for?
- Which gas is formed in it?
- How is this gas formed?
- What is done with sewage?
Write the answers to the questions by observing the figure.
- What type of fuel production process is shown in the figure?
- Write two examples of each of the solid, liquid and gaseous fuels produced in this fuel production process?
- How do microorganisms play their role in this process?
Match the microorganisms given in the Column A to the group to which they belong in Column B.
| Column A | Column B |
| (a) Lactobacillus | (i) Algae |
| (b) Aspergillus | (ii) Protozoa |
| (c) Spirogyra | (iii) Fungi |
| (d) Paramecium | (iv) Bacteria |
What is retting?
- Which process is shown in the above given picture?
- Give two examples for liquid fuels and solids fuels obtained by this process.
Give a scientific reason.
Why it is necessary to ban the use of plastic bags?
Complete the chart on production of beverages.
| S. No. | Fruit | Microbe used | Role of microbe used | Name of beverage |
| (a) | Caffea arabica | ______ | Separating seeds from fruit | Coffee |
| (b) | Theobroma cacao | Candida, Hansenula, Pichia, Saccharomyces | ______ | Cocoa |
Complete the following chart:
