The most important stimulant in tea leaves is?
The most important stimulant in tea leaves is?
A. Brucine
B. Caffeine
C. Phenylalanine
D. Theine
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Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?
Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?A. Charles’ Law
B. Avogadro’s Law
C. Graham’s Law
D. Boyle’s lawSunlight is a Great Source of ____________?
Sunlight is a Great Source of ____________?
A. vitamin C
B. vitamin D
C. vitamin E
D. vitamin KThe Aurora Borealis, also known as ________?
The Aurora Borealis, also known as ________?A. Western lights
B. Southern lights
C. Eastern lights
D. Northern lightsDiameter of Sun is_____________?
Diameter of Sun is_____________?
A. 12 Lakh kms
B. 13 Lakh kms
C. 14 Lakh kms
D. 15 Lakh kmsPercentage of water in an apple is__________?
Percentage of water in an apple is__________?A. 84%
B. 90%
C. 66%
D. None of theseAs a result of which treaty, ozone hole in Antarctica is slowly healing?
As a result of which treaty, ozone hole in Antarctica is slowly healing?A. Koyoto protocol
B. Ottawa treaty
C. Montreal protocol
D. Oslo Accord