Advertisements
Advertisements
प्रश्न
Find an odd one out.
विकल्प
Khoa
Yoghurt
Butter
Cheese
उत्तर
Khoa
APPEARS IN
संबंधित प्रश्न
How can the soil polluted by acid rain be made fertile again?
Answer the following.
What is role of microbes in compost production?
Give reasons.
Soil is turned over during tilling.
Give reasons.
Fodder is soaked in water before offering to cattle.
Find an odd one out.
Biodegradable plastic used for storing the garbage.
Write a short note.
Bio-fuels
Write a short note.
Microbial inoculants
Explain – Importance of microbes in sewage (water) treatment in cities.
State whether true or false. If false, correct the statement.
Rhizobium, associated with root nodules of leguminous plants fixes atmospheric nitrogen.
______ is a biocontrol agent.
Nostoc is used for fixing nitrogen.
Why does yeast help in fermentation?
What is pasteurization?
How are microbes useful in the industry?
Find odd one out:
Complete the following chart:
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.
