Quantity of fresh air required for a man is 1000 cubic feet of air for every____________?
Quantity of fresh air required for a man is 1000 cubic feet of air for every____________?
A. 5 minutes
B. 10 minutes
C. 15 minutes
D. 20 minutes
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Salinization is ___________?
Salinization is ___________?
A. Accumulation of salts in water
B. Accumulation of salts in soil
C. Accumulation of salts in body
D. Accumulation of salts in animalsWhich of the following cannot be stored in glass bottle?
Which of the following cannot be stored in glass bottle?A. Aqua regia
B. HF
C. HCL
D. HBrHF reacts with the silica in glass (turns it into SiF4, which is a gas at room temperature or H2SiF6 which is a liquid), so you can’t use glass bottlesto store it in.
Sleeping sickness in the natives of Africa is caused by________?
Sleeg sickness in the natives of Africa is caused by________?A. Trichomonas
B. Giardia
C. Leishmania
D. TrypanosomaAfrican Trypanosomiasis, also known as “sleeg sickness,” is caused by microscopic parasites of the species Trypanosoma brucei. It is transmitted by the tsetse fly (Glossina species), which is found only in rural Africa.
As the temperature of ice rises, the ice melts and its density?
As the temperature of ice rises, the ice melts and its density?A. Decreases
B. Remain constant
C. Increases
D. Increases upto 10CAccording to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in____________?
According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in____________?
A. 1 hours
B. 5 hours
C. 10 hours
D. 15 hoursDefeciency of following vitamin decreases hemoglobin production ?
Defeciency of following vitamin decreases hemoglobin production ?
A. Biotin
B. Thiamine
C. Niacin
D. Pyridoxine
E. None of these