Advertisements
Advertisements
प्रश्न
Briefly explain the environmental role of microorganisms in pollution control?
उत्तर
The environmental role of microorganisms in pollution control:
- Soil pollution caused due to chemical fertilizers can be prevented using microbial inoculants.
- Bacteria which use sulphuric acid as a source of energy and can control soil pollution caused due to acid rain.
- Geobacter converts salts of uranium into insoluble salts and thus prevents the mixing of these salts with ground water sources.
- Microbes are also used in sewage treatment and clean technology.
APPEARS IN
संबंधित प्रश्न
Answer the following.
How can the oil spills of rivers and oceans be cleaned?
How can the soil polluted by acid rain be made fertile again?
Rewrite the following statement using correct of the option and explain the completed statement.
Chemically, vinegar is -- -- --.
Garbage is converted into ______ by micro-organisms.
Give reasons.
Soil is turned over during tilling.
Complete the paragraph using proper words:
(Mechanical, Rhizobium, Aquatic, Toxic, CO2, Nitrogen, Pseudomonas, Amoeba, Bacteria, Hydrocarbons)
Spilling of petroleum oil occurs in ocean due to various reasons. This oil may prove fatal and toxic to _______ organisms. It is not easy to remove the oil layer from surface of water by _______ method. However, bacteria like _______ spp. and Alcanivorax borkumensis have the ability to destroy the pyridines and other chemicals. Hence, these _______ are used to clear the oil spills, These are called as hydrocarbonoclastic bacteria (HCB). HCB decompose the _______ and bring about the reaction of carbon with oxygen. _______ and water is formed in this process.
__________ is a powerful antibiotic against treatment of tuberculosis.
An enzyme obtained from fungi to produce vegetarian cheese.
Microbes used along with artificial nitrogenase in organic farming.
Saccharomyces cerevisiae : Ethanol : : Aspergillus oryzae : ________________
Lactic acid : To impart acidity : : Beta carotene : _____________________
Which chemical substances get mixed with the soil by adding chemical pesticides and insecticides in the agricultural industry?
Which microbes convert uranium to its insoluble salts?
Give scientific reason.
Probiotics have got more importance in recent times.
Give scientific reason.
Microorganisms are used to control the effects of sea oil spills.
Write a short note.
Land filling sites
State whether true or false. If false, correct the statement.
Rhizobium, associated with root nodules of leguminous plants fixes atmospheric nitrogen.
Find odd one out:
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.
