Pollution of Air and Water - Class 7 Science CBSE ICSE
Improve your understanding of Pollution of Air and Water by practicing the below questions from class 7 Science.
Organisms like lichens are very sensitive to the levels of ________.
Which of these methods do not result in conservation of water?
The incomplete burning of fuels such as petrol and diesel produces _________.
Which of the following is likely to have the cleanest air?
___________ plan was launched to save river Ganga.
What percentage of population lacks potable water in the world?
How is acid rain formed?
Which of the following is an example of a greenhouse gas?
__________ phenomenon results in the corrosion of the marble of Taj Mahal.
__________ converters in cars convert harmful gases into harmless ones.
Topics in Class 7 Science:
Reaching the Age of Adolescence
Crop Production and Management
Chemical Effects of Electric Current
Useful and Harmful Microorganisms
Force and Pressure
Gravitation
Light and Reflection
Light - Reflection and Refraction
Light-Reflection, Refraction and Dispersion
Synthetic Fibres and Plastics
Materials: Metals and Non-Metals
Combustion and Flame
Some Natural Phenomena
Coal and Petroleum
Pollution of Air and Water
Stars and the Solar System
Reproduction in Animals
Conservation of Plants and Animals
Cell - Structure and Functions
Sound
Heat
Fibre, Fabric and Clothing
Respiration in Organisms
Reproduction in Plants
Motion and Time
Crop Production and Management
Chemical Effects of Electric Current
Useful and Harmful Microorganisms
Force and Pressure
Gravitation
Light and Reflection
Light - Reflection and Refraction
Light-Reflection, Refraction and Dispersion
Synthetic Fibres and Plastics
Materials: Metals and Non-Metals
Combustion and Flame
Some Natural Phenomena
Coal and Petroleum
Pollution of Air and Water
Stars and the Solar System
Reproduction in Animals
Conservation of Plants and Animals
Cell - Structure and Functions
Sound
Heat
Fibre, Fabric and Clothing
Respiration in Organisms
Reproduction in Plants
Motion and Time