841. The electronic device which is used as a switch or amplifier is called ?
A. Diode
B. Resistor
C. Transistor
D. Transformer
✅ The correct answer is option C.
Everyday Science MCQs
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842. A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be _________?
A. – 2O°C
B. – 10°C
C. + 10°C
D. + 20°C
✅ The correct answer is option B.
843. Air contains volume of carbon dioxide approximately?
A. 3%
B. 33%
C. 0.3%
D. 0.03%
✅ The correct answer is option D.
844. You have discovered a new celestial body. It has a thick atmosphere and it produces powerful cosmic winds and, when observed, the clouds obscure the body. You have determined it is this type of star.
A. Wolf-Rayet star
B. Red supergiant
C. Stellar storm
D. Pulsar
✅ The correct answer is option A.
845. Vitamin C deficiency leads to:____________?
A. Scurvy
B. Cold
C. Cancer
D. Rickets
✅ The correct answer is option A.
846. What is meant by intermediate goods and services?
A. The same as capital goods, such as plants, buildings, vehicles, and machinery.
B. Products which one firm buys off another and then uses up in its own products.
C. All inputs bought by firms, including labor and raw materials.
D. Imports.
✅ The correct answer is option A.
847. If the length of a heater coil is reduced by 10% of its original length, then Power consumed by heater will?
A. Increase over 10%
B. Decrease by 10%
C. Decrease by 0.5%
D. Increase by 0.5%
✅ The correct answer is option B.
848. For being able to see three-dimensional pictures we have to use_________?
A. A binocular
B. A camera
C. An epidiascope
D. A stereoscope
✅ The correct answer is option D.
849. Jupiter, Saturn, Uranus and Neptune are called_________?
A. Jovian planets
B. Terrestrial Planets
C. Both A & B
D. None of these
✅ The correct answer is option A.
850. What are the primary colors of Pigment?
A. White, Black, Blue
B. Red, Yellow, Blue
C. Red, Orange, Blue
D. Red, Green, Blue
✅ The correct answer is option B.