Radioactivity was discovered by __________.
A. Kelvin
B. Thomson
C. Rutherford
D. Henri Becquerel (more…)
Biopsy is done on tissues takenfrom__________.
A. Human body
B. Living body
C. Animal body
D. Dead body
In night, when photosynthesis is stopped, plants__________.
A- take in Carbon Dioxide
B-take in Oxygen
C-give off Carbon Dioxide
D-give off Oxygen
In a very low temperature which from the following will freeze at last?
A. River water
B. Mineral water
C. Sea water
D. None of these
Deficiency of Vitamin-A results in __________.
A. Night blindness
B. rickets
C. hair fall
D. scurvy (more…)
During winter in cold countries, the __________ is mixed to melt the ice on the icy roads.
A. Water
B. Chlorine
C. Carbon dioxide
D. Salt
The lifespan of White Blood Cells is __________ days.
A. 1 – 5 days
B. 3 – 7 days
C. 4 – 8 days
D. 5 – 21 days (more…)
Each day human body breathe in __________ liters of air.
A. 15,000 to 20,000
B. 10,000 to 15,000
C. 5,000 to 10,000
D. 20,000 to 25,000 (more…)
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