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Everyday science mcqs | GK MCQ Preparation Material
1- Which of the following helps in clotting of blood?
Vitamin D
Vitamin K
Vitamin B2
Vitamin B1
2- What is the body temperature of a normal man?
21.7 °C
37.0 °C
98.6 °C
81.1 °C
3- Cobalt is a material which is ?
not a magnet
Strongly attracted by a magnet
Not attracted by a magnet
Weakly attracted by a magnet
4- In humans , most nutrient molecules are absorbed by the ?
Stomach
Large intestine
Small intestine
Liver
5- The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________?
Diatonic scale
Richter scale
Fahrenheit Scale
Celsius Scale
6- Myopia is a defect of Human eye. it can be corrected by using a lens called?
Convex lens
Cylindrical lens
Concave lens
Plano convex lens
7- Night vision is possible with the help of ___________?
Ultra violet Light
Red light
Violet light
Infrared Rays
8- A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?
25 miles per sec
7 miles per sec
60 miles per sec
10 miles per sec
9- A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?
Current
Voltage
Nuclear Radiation
power
10- Magnifying power of a simple microscope can be increased by ?
increasing focal length of the lens
Decreasing focal length of the lens
lens of short aperture
Lens of large aperture
11- Twinkling of stars is caused by ?
Polarization of light
Reflection of light
Interference of light
refraction of light
12- The deepest place on earth is ____________?
Mariana Trench
Groove
Mangrove
Trench
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