Class 7 Science e-Book's MCQs - Complete
Sound Waves and Noise MCQ App Download (Free) & e-Book - 210
Apps:
MCQ:
20 dB has hundred times more energy than
- 10 dB
- 0 dB
- 5 dB
- 2 dB
b
Class 7 Science App & e-Book Tests PDF Download
Food Chains and Food Webs MCQs
Ionic Bonds MCQs
Electrical Circuits and Currents MCQs
Fuses and Circuit Breakers MCQs
Dependence of Living Things MCQs
Fresh Water MCQs
Space Stars MCQs
Polyvinyl Chloride MCQs
Current and Energy MCQs
Sound Waves and Noise Study App: Free Download iOS & Android
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7th Grade Science MCQs eBook Download
8th Grade Science Test Questions
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- Micro-organisms and Viruses Quiz: Transfusion of infected blood is main reason for spread of
- Conserving Environment Quiz: People should be banned to hunt in forest or collect
Class 7 Science Quiz with Answers
- Physical and Chemical Change App's MCQ: Chemical changes are
- Sun Earth and Moon App's Quiz: Earth spins on its own
- Solar System Facts App's MCQs: Rovers were
- Electrical Safety App's Quiz: Do not use appliances, if
- Particle Models for Solids Liquids and Gases App's Quiz: Density of a substance is total mass of a unit.