The systematic study of any subject is called science. Today science is the best in every field. Science today is a boon for mankind. Science has made every small and big task of the human being very easy. We are giving you the information in our article. Some general knowledge questions related to science will help you to know more about science. Students who are preparing for the competitive examination must read these general knowledge questions of science for success in competitive examination.
1. What is the working principle of washing machines?
(A) Sub-concentration
(B) diffusion
(C) Centrifuge
(D) dialysis
2. The direct weight of a person in an elevator is less than the actual load when the lift is going?
(A) up with acceleration
(B) below the same speed
(C) Up with equal speed
(D) down with acceleration
3. An iron needle sinks in water but the ship floats, based on which principle?
(A) Pascal's theory
(B) Archimedes' theory
(C) law of gravity
(D) None of these
4. If a piece of ice is floating in a glass of water, what will be the effect on the water level when the ice melts?
(A) will increase will decrease
(B) will increase first then decrease
(C) will remain the same
(D) None of these
5. In the state of weightlessness will a candle flame occur?
(A) longer
(B) will remain the same
(C) Spherical
(D) Smaller
6. Which of the following is not a unit of Newton-meter?
(A) force
(B) energy
(C) Work
(D) kinetic energy
7. The molecules of an object when heated?
(A) speed will increase
(B) weight will decrease
(C) the load will increase
(D) energy will be reduced
8. Which of the following is not a unit of heat?
(A) Calorie
(B) ° C
(C) Joule
(D) Kcal
9. When water falls from a height, its temperature?
(A) decreases
(B) increases
(C) neither decreases nor increases
(D) None of these
10. Where will the rice take longer to cook?
(A) On the beach
(B) Shimla
(C) Mount Everest
(D) At the depth of the sea
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