Everyday Science Most Important MCQs Three
Showing 101 – 110 of 115
In general, Comets have ________ orbits
- A. Elliptical
- B. Highly elliptical
- C. Circular
- D. Parabolic
The bodyguard of the Earth is ________ that save the Earth from many Comets and Asteroids.
- A. Mars
- B. Saturn
- C. Uranus
- D. Jupiter
For proper formation of teeth, ________ is essential?
- A. iodine
- B. copper
- C. fluorine
- D. iron
The gas, commonly known as “laughing gas”, is ________?
- A. Carbon Dioxide
- B. Sulfur Dioxide
- C. Nitrous Oxide
- D. Sodium Oxide
About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is ________?
- A. Oxygen
- B. Carbon Dioxide
- C. Silicon
- D. Clay
Bronze medal is made up of metals?
- A. copper, nickel
- B. copper, tin
- C. copper, silver
- D. copper, zinc
A light year is a unit of?
- A. Time
- B. Energy
- C. Length
- D. Mass
Which of the following is not a part of Darwinism?
- A. Over production
- B. Natural selection
- C. Inheritance for acquired characters
- D. Competition for survival
Hygrometer is used for measuring the __________?
- A. Speed of sound
- B. Density of milk
- C. Humidity of air
- D. Specific gravity of liquids
Television signals are converted into light signals by ________?
- A. Optical fiber
- B. Transistor
- C. Decoder
- D. Photo diode
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