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Everyday Science Questions & Answers Section 169

This is the 169 section from Everyday Science. These questions and answers will be from Cotton, Alcohol, Red Blood Cells, Carbohydrate and DNA.

Ques No.1: _________ is best suited for cotton.

Ans: Clayey soil

Ques No.2: Ice cubes are added to a glass of pure water and a glass of a pure alcohol. The ice would be ___________.

Ans: Floating in alcohol and sinking in water

Ques No.3: __________ occur on new moon and full moon days because on these days Sun, moon and earth are in a straight line.

Ans: Spring tides

Ques No.4: After long periods of use, a gray spot develops on the inside of a bulb. This is because the ____________.

Ans: tungsten filament evaporates and collects there

Ques No.5: Dead red blood cells are ___________.

Ans: stored in liver

Ques No.6: Cellulose is a __________.

Ans: Carbohydrate

Ques No.7: ________ is called the father of computer.

Ans: Babbage

Ques No.8: DNA is a class of __________.

Ans: nucleic acids

Ques No.9: _______ is the symbol for silver.

Ans: Ag

Ques No.10: The average life of a red blood cell in the body is about __________.

Ans: 120 days


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