Question : Which of the following was the first B vitamin discovered in 1897 that is essential in amino acid and carbohydrate metabolism and is active in energy production reactions?
Option 1: Biotin
Option 2: Riboflavin
Option 3: Thiamine
Option 4: Folate
Correct Answer: Thiamine
Solution : The correct answer is Thiamine.
Thiamine was the first B vitamin to be discovered in 1897. It plays a central role in cerebral metabolism. It is an essential micronutrient for humans. It is found in food and commercially synthesised to be a dietary supplement or medication. Food sources of thiamine include whole grains, pulses, meat and fish.
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Question : Gliders depend on the following energy for their flight:
Option 1: wind energy
Option 2: electrical energy
Option 3: heat energy
Option 4: chemical energy
Question : Which of the following is the correct statement?
Option 1: Joule is the unit of work
Option 2: The unit of energy is the watt.
Option 3: Joule/ second is also a unit of energy.
Option 4: The unit of power is joule/newton.
Question : The work done by the string of a simple pendulum during one complete oscillation is equal to
Option 1: The total energy of a pendulum
Option 2: Kinetic energy of the pendulum
Option 3: Potential energy of the pendulum
Option 4: Zero
Question : In addition to the accessibility of raw materials, an industry's location is influenced by the availability of which of the following?
Option 1: Environmental protection and vegetation
Option 2: Manpower and energy sources
Option 3: Transportation and bioenergy
Option 4: Water and inputs
Question : One calorie of heat energy is equivalent to approximately ____________ joules of mechanical energy.
Option 1: 0.24
Option 2: 0.48
Option 3: 2.4
Option 4: 4.2
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