Everyday Science Basic Multiple Questions and Answers.




31.Approximately how many time each day do our heart open and close normally?
A. 10000
B. 100000
C. 150000
D. 200000

32.A nuclear reactor harnesses nuclear energy by
A. Nuclear fusion
B. Spontaneous fission
C. Uncontrolled chain reaction
D. Controlled chain reaction

33.Where is blood formed in the human body?
A. Heart
B. Spleen
C. Bone marrow
D. Liver

34.The heart of a normal adult human being weighs about
A. 200grams
B. 300grams
C. 400grams
D. 500grams

35.What is the average adult pulse rate?
A. 140-150
B. 115-125
C. 72-80
D. 60

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