Everyday Science Most Important MCQs Three
Showing 1 – 10 of 115
How many teeth are there in human mouth?
- A. 30
- B. 33
- C. 32
- D. 31
Sunlight is composed of ________?
- A. Three colours
- B. six colours
- C. seven colours
- D. eight colours
A glass chimney stops an oil lamp from smoking because:
- A. It increases the supply of oxygen to the flame by convection
- B. The heat produced ensures complete
- C. Both to these
- D. Neither of these
Particle clouds from where stars are formed are known as ________?
- A. Stellar nurseries
- B. Star clouds
- C. Event horizons
- D. Singularities
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. none of these
All of the following substances are crystalline except ____________?
- A. Ice
- B. Diamond
- C. Sucrose
- D. Plastic
Which of the following has the largest wavelength?
- A. visible light
- B. x-rays
- C. infrared light
- D. ultraviolet radiation
Quantity of fresh air required for a man is 1000 cubic feet of air for every ____________?
- A. 5 minutes
- B. 10 minutes
- C. 15 minutes
- D. 20 minutes
Water vapour turns into clouds in the atmosphere when:
- A. It rains
- B. The temperature rise
- C. Dew point is reached
- D. Evaporation takes place
The areas around the North and South poles within the Polar circles is called ____________?
- A. The Torrid Zone
- B. The Frigid Zone
- C. The Temperature Zone
- D. The Hardiness Zone
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