Everyday Science MCQS

1. Parmanent magnets n be made from?
*Answer- Cobalt*

2. Atmospheric pressuer exerted on earth due to?
*Answer-Gravitational Force*

3. Blood is formed in the which part of human body?
*Answer-Heart*

4. Which aoprt of our body is directly affected by the pneumonia?
*Answer-Respiratory system*

5. Heart weight
*Answer-300 grams*

6. Hemoglobin rich in?
*Answer-protein*

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7. The most important stimulent in tea leaves is?
*Answer-Caffeine*

8. Adult pulse rate is?
*Answer-72-80*

9. The green house effect is caused by the gas?
*Answer-Carbon tetra chloride*

10. The rear view mirror of a motor is?
*Answer-Convex*

11. The absorption of ink by blotting involves
*Answer-Capillary action*

12. A setlite moving around a earth move with?
*Answer-Uniform acceleration*

13. The theory of expanding Universe was first produced by?
*Answer-Hubble*

14. Which intrument is used to detect purity in milk?
*Answer-Lactometer*

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15. The working principle of a washing machine is?
*Answer-Centrifugation*

16. radioactivity was first discovered by?
*Answer-Madam*

17. The sky appears blue due to?
*Answer-because reflect blue light*

18. The most abundant element in?
*Answer-Oxygen*

19. Heating element of  an electric crunt is made of?
*Answer-Nichrome*

20. Oil rises un e wick due to?
*Answer-Capillary action*

21. Which is the following units represent the largest unit of energy?
*Answer-Calorie*

22. Which gas is used in the preparation of soft drinks?
*Answer-Carbon dioxide*

23. What is the percentage of water in blood?
*Answer-90%*

24. For purification, we use?
*Answer-Chlorine*

25. The human blood is divided in?
*Answer-Four groups*

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26. The tissues, muscles and blood are made of?
*Answer-Protein*

27. All forms of energy that we use are ultimately transformed into?
*Answer-Heat energy*

28. Silicon is a ?
*Answer-Semi conductor*

29. The ray with high penetrating power is?
*Answer-alpha rays*

30. Which pigment make the blood red?
*Answer-Hemoglobin*

31. Which acid is used in car battery?
*Answer-Sulfuric acid*

32. In eyes donation which following part of donor's is used?
*Answer-Cornea*

33. Storage batteries commonly contain?
*Answer-Lead*

34. At what voltage electric current is supplied to household in Pakistan?
*Answer-220 volts*

35. Heart beat per minute?
*Answer-70-80 times*

36. Which of the following is most elastic?
*Answer-Steel*

37. As the altitude increases, the temperature decreases at the rate of 1 degree for every?
*Answer-300 feet*

38. Which of the following gases is used in fire extinguishers?
*Carbon dioxide*

39. Food is mainly digested in?
*Small intestine*

40. A heart beat requires approximately?
*Answer-.08 second*