मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

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? - Science and Technology 2

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प्रश्न

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?

उत्तर

i. The picture shows the lack of management of waste water/sewage.
ii. Microbes which can decompose any compound as well as destroy the pathogens of cholera, typhoid, etc. are mixed with sewage. They release methane and CO2 by decomposition of the carbon compounds present in sewage. Phenol oxidizing bacteria decompose the xenobiotic chemicals present ins ewage.
iii. Hydrocarbonoclastic bacteria like Alcanivorax borkumensis & Pseudomonas are used to clear the oil spillage from ocean water. These bacteria decompose the hydrocarbons and the bring about the reaction of released carbon with oxygen to produce CO2 & water.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2018-2019 (March) Balbharati Model Question Paper Set 1

संबंधित प्रश्‍न

The process of conversion of sugar into alcohol is called ___________.


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Complete the following conceptual picture with respect to uses.


Rewrite the following statement using correct of the option and explain the completed statement.

Harmful bacteria in like -- -- -- in the intestine are destroyed due to probiotics.


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Garbage is converted into ______ by micro-organisms. 


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Write the answers to the questions by observing the figure.

  1. What type of fuel production process is shown in the figure?
  2. Write two examples of each of the solid, liquid and gaseous fuels produced in this fuel production process?
  3. How do microorganisms play their role in this process?

How microorganisms are useful in the field of medicine?


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