Class 7 Science e-Book's MCQs - Complete
Safe and Drinking Water Quiz App Download & e-Book - 403
Apps:
MCQ:
Fish in the ponds and lakes die because the algae
- takes all the minerals from water
- takes all the oxygen from water
- prevents sunlight to enter water
- prevent from respiring
b
Class 7 Science App & e-Book Tests PDF Download
Solids Liquids and Gases MCQs
Water Treatment MCQs
Refractive Index MCQs
Chemical Effect of Electric Current MCQs
Refraction of Light MCQs
Electric Motors MCQs
Telescopes MCQs
Food Chains and Food Webs MCQs
Ionic Bonds MCQs
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7th Grade Science MCQs eBook Download
8th Grade Science Test Questions
- Habitat Population and Community Quiz: Air, water, light, temperature and pH makes up
- Reflection of Light Quiz: An instrument which enables us to see things which are
- Habitat Population and Community Quiz: A field community have organisms
- Decomposers MCQ: Decomposers help in
- Pitch and Loudness MCQ: Sound having frequencies above 20000Hz are called
Class 7 Science Quiz with Answers
- Uses of Elements App's MCQ: Due to temperature sensitivity element which is filled in thermometer,
- Valencies and Valency Table App's Quiz: Valency of carbon is
- Space Stars App's MCQ: "Sirius-A" is a
- Physical Changes App's MCQs: When particles cool down, energy changes
- Volume and Amplitude App's MCQ: Loudness of sound is also known as