CBSE Questions for Class 12 Commerce Economics Environment And Sustainable Development Quiz 2 - MCQExams.com

Which one among the following is strong smelling agent added to LPG cylinder to help in the detection of gas leakage?
  • Ethanol
  • Thioethanol
  • Methane
  • Chloroform
Which of the following place has a network of pipelines which supply CNG?
  • Kanpur
  • Jhansi
  • Vadodara
  • Bhopal
Use of Diesel and Petrol as fuel in automobiles is being replaced by:
  • LPG
  • CNG
  • coal
  • bitumen
Which among the following is considered as the cleanest fuel?
  • Cow dung cake
  • Petrol
  • Kerosene
  • LPG
CNG is:
  • highly polluting
  • less polluting
  • not at all polluting
  • none of these
Coal is processed in industries to get some useful products. Which of the following is not obtained from coal?
  • Coke
  • Coal tar
  • Coal gas
  • CNG
What are the benefits of using compost?
  • It saves the land from harmful effects of chemical fertilisers
  • Civic authorities are benefited too as they have to dispose off a reduced quantity of waste
  • Both A and B
  • None of the Above
Which of the following can be adopted for saving cooking gas?
1. Using a pressure cooker instead of an open vessel
2. Keeping rice, dal etc. in water soaked condition for some time before cooking
3. Using a small burner in place of a large burner
  • 1 and 2
  • 2 and 3
  • 1 and 3
  • 1, 2 and 3
__________ is one of the few developing countries where forest cover has increased over the last 20 years.
  • Africa
  • India
  • Brazil
  • China
Some animals and birds used in biopest control are?
  • Snakes
  • Lizards
  • Owls and Peacocks
  • All of the above
What are the negative side effects of bio pest control?
  • Could effect overall bio diversity of the region
  • Could suppress growth of crop
  • Could end up attacking other species as well
  • All of the above
Bio pest control relies on _______. 
  • Predation
  • Parasitism
  • Herbivory
  • All of the above
What are some of the methods of biopest control?
  • Use of pesticides based on plant products
  • Mixed cropping
  • Growing different crops in consecutive years on the same land
  • All of the above
What are the harmful effects of chemical fertilisers?
  • Large tracts of productive land have been adversely affected
  • Water bodies including groundwater system have suffered
  • Demand for irrigation has been going up year after year
  • All of the above
Bio composting is a component of which type of farming?
  • Normal Farming
  • Dairy Farming
  • Organic Farming
  • Poultry Farming
What are the advantages of adopting bio composting?
  • Control soil erosion
  • Control wetland construction
  • Use as landfill cover
  • All of the above
_________ leads to fall in productivity due to deterioration in the quality of soil used for cultivation.
  • Soil erosion
  • Air pollution
  • Global warming
  • All of the above
Which of the following can be listed as the negative effects of economic development on the environment?
  • Increased air pollution
  • Global warming
  • Loss of biodiversity
  • All of the above
Process of ____________ has been accompanied with depletion in the stock of natural resources and environmental degradation.
  • inclusive growth
  • economic growth
  • sustainable development
  • none of the above
Extensive cultivation, i.e., increasing the area under cultivation has caused ___________.
  • deforestation
  • water pollution
  • loss of biodiversity
  • none of the above
0:0:1


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Class 12 Commerce Economics Quiz Questions and Answers