- 20%
- 22%
- 24%
- 26%
- d
Everyday Science MCQs
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What is percentage of Hydrogen in atmosphere of Sun?
- 72%
- 75%
- 78%
- 80%
- a
Most abundant element in the Sun’s atmosphere is:
- Hydrogen
- Nitrogen
- Oxygen
- None of these
- a
-
The most abundant element is Hydrogen about 72%.
The second most abundant element is Helium about 26%.
Odometer was invented by Sir Samuel which year?
- 1775
- 1776
- 1777
- 1778
- a
Odometer is also called:
- Odograph
- Coriopgrah
- Photograph
- None of these
- a
Odometer is to mileage as compass is to:
- Speed
- Hiking
- Direction
- Needle
- C
-
Odometer is also called Odograph.
Odometer was invented by Sir Samuel in 1775.
Oxygen decreased in ……… places.
- Confined Places
- Open Places
- Buildings
- Shopping Mall
- a
-
Confined Place is also called Confined Space.
The Place that is narrow and not enough space is called confined space.
How many classes of Levers?
- 01
- 02
- 03
- 04
- c
-
Class One Lever
Class Two Lever
Class Three
Which of the following animal can hear Ultrasonic sound:
- Squirrel
- Cat
- Bat
- Rat
- c
-
The frequency of the Ultrasonic Sound is above 20,000 Hz.
Dogs, Bats, Dolphins etc can hear high pitched sounds.
Day and Nights are equal on:
- 25th December
- 21st March
- 22nd July
- None of these
- b
-
Days and Nights are equal due to equator movement.
Day and Night is also equal on 23rd September.
March 21 is known as Vernal equinox.
September 23 is known as Autumnal Equinox.