Advertisements
Advertisements
प्रश्न
How can the soil polluted by acid rain be made fertile again?
उत्तर
- The sulphuric acid which is a part of acid rain is released from various industries is a common pollutant of soil.
- Soil which has been polluted by sulphuric acid cannot be used for cultivation of plants.
- However, there is a way of treating this soil to make it fertile again. Microorganisms like Acidophillium spp. and Acidobacillus ferroxidens can be used in the treatment of soil polluted with sulphuric acid.
APPEARS IN
संबंधित प्रश्न
The following is an antibiotic.
A) Lack of management of which factor is shown in the picture?
B) How can that factor be managed with the help of microbes?
C) How the oil spills in oceans are cleared?
If a piece of bread is kept in a container in moist place for 2 – 3 days,
1. What will you see?
2. Write scientific name and a character of the organism you may observe.
Complete the following conceptual picture with respect to uses.
Rewrite the following statement using correct of the option and explain the completed statement.
Chemically, vinegar is -- -- --.
Explain the uses of micro-organisms.
Nowadays, ___________ are used for treatment of diarrhoea and treatment of poultry also.
A clean (smokeless) fuel.
Spinosad is a biopesticide.
Antibiotics cannot be obtained from a variety of bacteria and fungi.
Match the following.
Column A | Column B |
1) Baker’s yeast | a) Probiotics |
2) Sauerkraut | b) Bread |
3) Ligases | c) Antibiotics |
4) Penicillin | d) Microbial enzyme |
Write a short note.
Bioinsecticides
Complete the concept map.
Why should we use bioinsecticides?
Explain – Importance of microbes in sewage (water) treatment in cities.
What products do you get from microorganisms through the fermentation process? Explain with an example.
Match the following
i. | Probiotic | a. | Kuru |
ii. | Preservation | b. | Methanogen |
iii. | Prion | c. | Curd |
iv. | Biogas | d. | Sugar |
Match the following
i. | Amoeba | a. | Autotrophs |
ii. | Algae | b. | Gills |
iii. | Agaricus | c. | Biocontrol |
iv. | Bt cotton | d. | Sporulation |
In the process of making bread the carbohydrates in the flour are fermented by baker's yeast and sugar is transformed into carbon dioxide and ______.
Complete the given paragraph by filling the blank spaces from the options given in the bracket:
[oxygen, pyridines, mechanical, CO2, petroleum, fatal, polyester, norcadia]
Spilling of ______ oil occurs in ocean due to various reasons. This oil may prove ______ and toxic to aquatic organisms. It is not easy to remove the oil layer from surface of water by ______ method. However, bacteria like pseudomonas spp. and Alcanovorax borkumensis have to ability to destroy the ______ and other chemicals. Hence, these bacteria are used to clear the oil spills. These are called as hydrocarbonoclastic bacteria (HCB). HCB decompose the hydrocarbons and bring about the reaction of carbon with ______. ______ and water is formed in this process.