Which element has the second most % in human body?
Which element has the second most % in human body?
A. Oxygen 65%
B. Calcium 75%
C. Hydrogen 10%
D. Carbon 18%
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What is the addictive drug in tobacco ______________?
What is the addictive drug in tobacco ______________?
A. Ethanol
B. Nicotine
C. Ammonia
D. TarWhich of the following principleis used to produce ‘low-temperatures’ ?
Which of the following principleis used to produce ‘low-temperatures’ ?A. Super conductivity
B. Joule-Kelvin effect
C. Thermo-electric effect
D. Adiabatic demagneti-sationA seed can germinate in the absence of__________?
A seed can germinate in the absence of__________?A. Oxygen
B. Light
C. Moisture
D. TemperatureVitamin B2 is also called as__________?
Vitamin B2 is also called as__________?A. Riboflavin
B. Thiamine
C. Ascorbic Acid
D. NiacinRiboflavin (also known as vitamin B2) is one of the B vitamins, which are all water soluble. Riboflavin is naturally present in some foods, added to some food products, and available as a dietary supplement.
Which planet is much brighter in our solar system?
Which planet is much brighter in our solar system?
A. Earth
B. Venus
C. Mercury
D. JupiterThe human blood is divided into__________ groups?
The human blood is divided into__________ groups?A. Two groups
B. Three groups
C. Four groups
D. Five groups