- Spiral
- Eliptical
- Lenticular
- None of these
- a
-
The Milky Way is the huge group of billions of stars, planets, gas, and dust in which our solar system exists. It has a spiral shape and rotates slowly in space.
Everyday Science MCQs
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The quantity of fresh water present on earth is only about:
- 2.2%
- 0.04%
- 2.5%
- None of these
- c
-
Only about 2.5% of all the water on Earth is fresh water. The rest is salt water found in oceans and seas.
The unit of frequency is:
- Meter
- Meter Per Second
- Hertz
- None of these
- x
-
Hertz is represented as Hz.
Meter is unit of Length.
Second is unit of Time.
Who invented the steam engine?
- James Watt
- Faraday
- Bessel
- None of these
- a
-
James Watt as a Scottish Engineer.
He invented Steam Engine in 1765.
Steam Engine is not invention of a single person.
First, Thomas Savery in 1698 worked on the steam engine, then Thomas Newcomen in 1712 improved it, and by studying both their ideas, James Watt made the modern engine in 1765.
The most abundant metal in the Earth’s crust is:
- Silicon
- Aluminum
- Aluminum
- None of these
- b
-
Aluminum forms almost 8.3% of Earth’s mass.
It is mostly found in Bauxite.
The atomic number of Aluminum is 13.
What is number of Earth in Planets in size?
- 3rd
- 4th
- 5th
- 6th
- c
-
There are Eight planets in our Solar System.
First largest planet in Solar System is Jupiter.
Second largest planet in Solar System is Saturn.
Third largest planet in Solar System Uranus.
Fourth largest planet in Solar System Neptune
Fifth largest planet in Solar System is Earth
Sixth largest planet in Solar System is Venus.
Seventh largest planet in Solar System is Mars.
Eighth largest planet in Solar System is Mercury.
A protozoan that have both animal and plant like characteristics is:
- Ulva
- Chlorella
- Phytopthora infestans
- Euglena
- d
-
Euglena is like a tiny green animal.
Which of the following cannot conduct electricity?
- NaCl (Solid)
- NaCl (Molten)
- NaCl (Aqueous)
- Both B & C
- a
-
In NaCl, Ions are fixed in place or in solid form and cannot move.
In NaCl (Molten / Melted), Ions are free to move and electricity can flow.
NaCl (Aqueous / dissolved in water), Na and Cl can dissolved in water and can carry current.
CaCo3 is a polymorph and exist in two crystalline form:
Viscosity of liquid increases with the decrease in:
- Temperature
- Intermolecular forces
- Atmospheric pressure
- Molecular mass
- a
-
Viscosity is the resistance of liquid to flow.