1.
Sounds which are below 20Hz frequencies are called
2.
A form of energy which is produced by vibrations and can be detected by ears is called
3.
Loudness is measured by
4.
Sound travels at speed of 5960m/s in
5.
The regions where molecules are compressed are called
6.
Voice is produced by the vibrations of
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- Chapter 12: Human Transport System - Science Mcqs for Grade 7 - (85)
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- Chapter 12: Sound & Hearing - Science Mcqs for Grade 8 - (36)
- Chapter 13: Importance of Water - Science Mcqs for Grade 7 - (109)
- Chapter 13: Plant Growth - Science Mcqs for Grade 6 - (51)
- Chapter 14: Investigating Space - Science Mcqs for Grade 7 - (257)
- Chapter 14: Plant Photosynthesis & Respiration - Science Mcqs for Grade 6 - (52)
- Chapter 15: Mixtures - Science Mcqs for Grade 7 - (53)
- Chapter 15: Reversible & Irreversible Changes - Science Mcqs for Grade 6 - (33)
- Chapter 16: Physical & Chemical Changes - Science Mcqs for Grade 7 - (166)
- Chapter 16: Sense Organ & Senses - Science Mcqs for Grade 6 - (91)
- Chapter 17: Particle Model of Matter - Science Mcqs for Grade 7 - (32)
- Chapter 18: Reproduction in Plants - Science Mcqs for Grade 7 - (88)
- Chapter 19: Respiration & Food Energy - Science Mcqs for Grade 7 - (29)
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- Chapter 1: Atoms & Atom Model - Science Mcqs for Grade 7 - (185)
- Chapter 1: Ecology - Science Mcqs for Grade 8 - (65)
- Chapter 20: Simple Chemical Reactions - Science Mcqs for Grade 7 - (23)
- Chapter 21: Solar System - Science Mcqs for Grade 7 - (64)
- Chapter 22: Solutions - Science Mcqs for Grade 7 - (78)
- Chapter 23: Sound Waves - Science Mcqs for Grade 7 - (157)
- Chapter 24: Transportation in Plants - Science Mcqs for Grade 7 - (57)
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- Chapter 2: Atoms Molecules Mixtures & Compounds - Science Mcqs for Grade 6 - (161)
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- Chapter 3: Cells, Tissues & Organs - Science Mcqs for Grade 6 - (82)
- Chapter 3: Digestive System - Science Mcqs for Grade 7 - (36)
- Chapter 3: Food Chains & Webs - Science Mcqs for Grade 8 - (19)
- Chapter 4: Changing Circuits - Science Mcqs for Grade 6 - (26)
- Chapter 4: Dispersion of Light - Science Mcqs for Grade 7 - (168)
- Chapter 4: Heating & Cooling - Science Mcqs for Grade 8 - (54)
- Chapter 5: Dissolving & Soluble - Science Mcqs for Grade 6 - (16)
- Chapter 5: Electric Circuits - Science Mcqs for Grade 7 - (36)
- Chapter 5: Light - Science Mcqs for Grade 8 - (67)
- Chapter 6: Electrical Circuits & Electric Currents - Science Mcqs for Grade 7 - (280)
- Chapter 6: Forces - Science Mcqs for Grade 6 - (56)
- Chapter 6: Magnetism - Science Mcqs for Grade 8 - (19)
- Chapter 7: Elements & Compounds - Science Mcqs for Grade 7 - (62)
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- Chapter 7: Man Impact on Ecosystem - Science Mcqs for Grade 8 - (46)
- Chapter 8: Energy Resources - Science Mcqs for Grade 7 - (51)
- Chapter 8: How We See Things - Science Mcqs for Grade 6 - (42)
- Chapter 8: Micro Organisms & Diseases - Science Mcqs for Grade 8 - (50)
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