Enzymes are organic catalysts made up of ?
Enzymes are organic catalysts made up of ?
A. Carbohydrates
B. Proteins
C. Nucleic Acid
D. Fats
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The nearest Star to the planet earth is ________ ?
The nearest Star to the planet earth is ________ ?A. Regel
B. Canopus
C. Sun
D. BetelgeuseAs 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 10CWhich vitamin is available to the human body through sun bathing?
Which vitamin is available to the human body through sun bathing?A. Vitamin A
B. Vitamin D
C. Vitamin K
D. Vitamin B121 BTU(British thermal unit) is equal to___________?
1 BTU(British thermal unit) is equal to___________?
A. 955 joules
B. 990 joules
C. 1055 joules
D. 1211 joulesWho invented steamboat?
Who invented steamboat?A. James Watt
B. Robert Fluton
C. Frank Whittle
D. George StephensonThe distance of mercury from sun is__________?
The distance of mercury from sun is__________?
A. 56 million km
B. 57.9 million km
C. 58.9 million km
D. 59.1 million