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Everyday Science Questions & Answers Section 56

This is the 56 section from Everyday Science. These questions and answers will be from Plants, Gunpowder, Sound and Pressure.

Ques No.1: In night, when photosynthesis is stopped, plants

Ans: Give off carbon Dioxide

Ques No.2: During photosynthesis, plants

Ans: Give off oxygen

Ques No.3: _________are called the powerhouses of the cell.

Ans: Mitochondria

Ques No.4: Mitochondria contain their own supply of

Ans: DNA

Ques NO.5: The first chemical explosive, Gunpowder, is a mixture of

Ans: Sulfur, Charcoal, and Potassium Nitrate

Ques No.6: The number of oscillations per second is called the

Ans: Frequency

Ques No.7: Sound waves from a loudspeaker are caused by

Ans: Vibrations

Ques No.8: The guitar has___________strings.

Ans: 6

Ques No.9: The device used to measure movements of the heart is

Ans: Cardiograph

Ques No.10: The unit used to measure "Pressure' is

Ans: Pascal

Read more:

Everyday Science Questions & Answers Section 57
Everyday Science Questions & Answers Section 58
Everyday Science Questions & Answers Section 59
Everyday Science Questions & Answers Section 60
Everyday Science Questions & Answers Section 61

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