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Science MCQ Questions with answers
Here Important Science MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button or on option itself. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping whatsapp button.
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Learn Science MCQs [Page 204
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Q) With reference to 'fly ash' produced by the power plants using coal as fuel. Which among the given statements is/are right?
(A) 3 only
(B) 1 and 2
(C) 2 only
(D) 1 and 3
Correct Answer - Option
(B)
No Explanation found. Add Explanation and get +2 points.
Q) Ability of the eye to see objects at all distances is called
(A) Myopia
(B) Accommodation
(C) Binocular vision
(D) Hypermetropia
Correct Answer - Option
(B)
No Explanation found. Add Explanation and get +2 points.
Q) When quick lime is added to water
(A) temperature decreases
(B) no heat change takes place
(C) heat is absorbed
(D) heat is liberated
Correct Answer - Option
(D)
No Explanation found. Add Explanation and get +2 points.
Q) Setting of plaster of paris involves
(A) hydration to form other hydrates
(B) oxidation process
(C) reduction process
(D) dehydration process
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
Q) Which of the following one of the following minerals is found in Monazite sand -
(A) Sodium
(B) Potassium
(C) Thorium
(D) Uranium
Correct Answer - Option
(C)
No Explanation found. Add Explanation and get +2 points.
Q) All isotopes of the same element have ______
(A) different atomic numbers & the same atomic mass
(B) different atomic numbers & different atomic mass
(C) the same atomic number & the atomic mass
(D) the same atomic number but different atomic masses
Correct Answer - Option
(D)
No Explanation found. Add Explanation and get +2 points.
Q) Which among the given is not a chemical action?
(A) Burning of paper
(B) Conversion of water into steam
(C) Digestion of food
(D) Burning of coal
Correct Answer - Option
(B)
No Explanation found. Add Explanation and get +2 points.
Q) Denatured spirit is ethanol mixed with
(A) Petrol
(B) Pyridine
(C) Kerosene
(D) Water
Correct Answer - Option
(B)
No Explanation found. Add Explanation and get +2 points.
Q) When hot-water is sprinkled on a hotter glass tumbler, it breaks as
(A) glass suddenly contracts
(B) water evaporates
(C) glass suddenly expands
(D) glass reacts chemically with water
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
Q) The water from a hand pump is warm in winter as
(A) The temperature inside the earth is higher than the atmospheric temperature
(B) Our body is cold in winter & the water seems to be warm
(C) The pumping process causes friction which warms up the water
(D) Inside water comes out & absorbs heat from the environment
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
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