Advertisements
Advertisements
प्रश्न
उत्तर
Demography
संबंधित प्रश्न
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong:
Detergents, X-rays, sewage, oil spills
Identify the ODD term in each set and name the CATEGORY to which the remaining three belong :
Example : glucose, starch, cellulose, calcium
Odd term : calcium
Category : others are different types of carbohydrates
Polythene bag, Crop residue, Animal waste, Decaying vegetable.
Which are visible pollution known to you?
What is pollution?
What is known as smog? What harm is done by smog especially in winter?
With an example, state what are secondary pollutants?
Give the definition of a pollutant.
What is radioactive pollution?
What is noise pollution? How is it caused?
See the diagram and answer the following question
What types of pollution are caused by open dumps?
