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Everyday science mcqs | GK MCQ Preparation Material
1- The cow’s milk contains how much amount of water in terms of percentage?
2- Most of the ozone in the atmosphere is concentrated in the _____________?
3- An iceberg is floating in sea. How much of its mass will remain above the surface of water?
4- An astronaut inside a spacecraft is in a state of weightlessness. This implies that?
Gravity inside the spacecraft ceases to act
The mass of the astronaut is reduced to zero
The astronaut and the spacecraft are both in a free-failing state
The astronaut is outside the influence of the earth’s gravitational force
5- The sun appears red at sunrise and sunset while it appears white at noon, because
It is cooler at sunrise and at sunset
Of Scattering of light due to dust particles and air molecules.
Of diffraction leading to red end of the spectrum reaching the earth.
6- A lake starts freezing because of the cold atmosphere. It will first freeze
Uniformly throughout the water body
At the bottom
ln the middle pan
At the top surface
7- The beautiful color patterns exhibited by a peacock in its tail feathers are due to ?
Sinterference of light
Selective absorption of light
Natural colour pattern of feathers
selective re ection of light
8- What is the average adult pulse rate?
9- When a person enters a dark room from bright light he is not able to see clearly for a little while because the?
Eye is unable to adjust itself immediately
Distance between the lens and retina take time to adjust
Iris is unable to dilate the pupil immediately
Retina becomes insensitive momentarily
10- Which part of the Camera is analogue to the retina in the human eye?
11- Dolly is the name of the ?
First test-tube baby
First cloned monkey
First cloned sheep
First human fossil
12- The most important stimulant in tea leaves is?
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