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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा १०

Green house effect refers to ______.

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प्रश्न

Green house effect refers to ______.

विकल्प

  • cooling of earth

  • trapping of UV rays

  • cultivation of plants

  • warming of earth

MCQ
रिक्त स्थान भरें
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उत्तर

Green house effect refers to warming of earth

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अध्याय 22: Environmental Management - Evaluation [पृष्ठ ३२६]

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सामाचीर कलवी Science [English] Class 10 SSLC TN Board
अध्याय 22 Environmental Management
Evaluation | Q IV. 9. | पृष्ठ ३२६

संबंधित प्रश्न

Write any two uses of biogas.


How is charcoal obtained from wood? 

 

 

Why is charcoal considered a better fuel than wood?


Biogas is formed in the ____________.


Spent slurry (Bio-waste after obtaining biogas) is used as:


A biogas plant is where biogas is produced by fermenting biomass.

In which of the parts would you find anaerobic bacteria?


A biogas plant is where biogas is produced by fermenting biomass.

Which of the following best indicates the steps of anaerobic digestion?


A biogas plant is where biogas is produced by fermenting biomass.

Biogas is a better fuel than animal dung cake because:

(a) Biogas is a renewable source of energy.

(b) Animal dung cake has a higher calorific value.

(c) Biogas has a high heating capacity.

(d) Biogas burns without smoke.


In Kunjpura village, located in Karnal district, Haryana, Aditya Aggarwal and his older brother Amit Aggarwal run Tee Cee Industries, a steel plant set up by their ancestors in 1984. Along with this, they also run a gaushala that houses 1,200 cows that can no longer produce milk.

The cow shelter was manageable but running the steel plant was turning out to be expensive because they spent a whopping Rs 5 lakh every month on electricity.

The brothers struck upon an idea. Why not run the factory with the biogas produced from cow dung from the shelter and other gaushalas, along with a bio and agri-waste like sewage, farm waste, etc. This led Aditya and Amit to start Amrit Fertilisers, a biogas project, in 2014, without any government support.

Biogas is a mixture of the following gases.


The main constituent of biogas is


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