What is the rarest blood type in humans?
What is the rarest blood type in humans?
A. O-
B. O+
C. AB+
D. AB-
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Night vision is possible with the help of ___________?
Night vision is possible with the help of ___________?
A. Red light
B. Violet light
C. Infrared Rays
D. Ultra violet Light
E. None of theseThe SI standard of time is based on_____________?
The SI standard of time is based on_____________?
A. the daily rotation of the earth
B. the frequency of light emitted by Kr86
C. the yearly revolution of the earth about the sun
D. a precision pendulum clock
E. none of theseRectified spirit contains alcohol about ?
Rectified spirit contains alcohol about ?
A. 80%
B. 95%
C. 70%
D. 85%Diamonds are made up almost entirely of what element?
Diamonds are made up almost entirely of what element?A. Carbon
B. Helium
C. Methane
D. NitrogenWhich of the following is not a water soluble vitamin?
Which of the following is not a water soluble vitamin?
A. Tocopherol
B. Pyridoxine
C. Pantothenic acid
D. NiacinWisdom teeth normally grow between the age of___________?
Wisdom teeth normally grow between the age of___________?A. 34-40
B. 17-30
C. 45-55
D. 10-17