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FEATURED EVERYDAY SCIENCE MCQS
1. __________ are called the powerhouses of the cell.
(A) Mitochondria
(B) Vesicles
(C) Lungs
(D) Liver

2. The fluid part of blood is known as
(A) blood cells
(B) platelets
(C) hormones
(D) plasma

3. Marble and Slate are examples of
(A) igneous rocks
(B) metamorphic rocks
(C) sedimentary rocks
(D) crystals

4. Diamond is an allotropic form of
(A) Carbon
(B) Hydrogen
(C) Gold
(D) Silver

5. In night, when photosynthesis is stopped, plants
(A) take in Carbon Dioxide
(B) take in Oxygen
(C) give off Carbon Dioxide
(D) give off Oxygen

ANSWERS: FEATURED EVERYDAY SCIENCE MCQS
1. (A) Mitochondria
2. (D) plasma
3. (B) metamorphic rocks
4. (A) Carbon
5. (C) give off Carbon Dioxide (See below ↓ for regular questions)

Everyday Science Multiple Choice Questions (MCQs) Page-1. These general science MCQs are from basics of science (Physics, Chemistry, Biology, Geology, and Environmental Science). Find answers to the questions at the bottom of the page. Basic Mathematics Questions can be found in Mathematics section.

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 .. 15 | 16 .. 20 | 30

1. The Sun’s mass is mainly consist of
(A) hydrogen
(B) helium
(C) carbon dioxide
(D) nitrogen

2. What divides the Earth into the Northern and Southern Hemispheres?
(A) Axis of rotation
(B) Equator
(C) North Pole
(D) South Pole

3. Very High Frequency (VHF) have __________ wavelengths.
(A) shorter
(B) shortest
(C) longer
(D) longest

4. Long-sight defect could be corrected by using __________ lens.
(A) concave
(B) convex
(C) diverging
(D) none of these

5. Deficiency of Vitamin-A results in
(A) night blindness
(B) rickets
(C) scurvy
(D) hair fall

6. For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will
(A) also decrease
(B) increase
(C) remains constant
(D) none of these

7. The lifespan of Red Blood Cells is __________ days.
(A) 60
(B) 120
(C) 180
(D) 240

8. The density of water is
(A) 1 g/cm3
(B) 1.5 g/cm3
(C) 2 g/cm3
(D) none of these

9. Radioactivity was discovered by
(A) Lord Kelvin
(B) J. J. Thomson
(C) Ernest Rutherford
(D) Henri Becquerel

10. A device which converts chemical energy into electrical energy is called
(A) motor
(B) generator
(C) moving-coil meter
(D) battery

11. The Sun’s mass is mainly consist of hydrogen (about 73%). The second main constituent (about 25%) is
(A) hydrogen
(B) helium
(C) carbon dioxide
(D) nitrogen

ANSWERS: EVERYDAY SCIENCE MCQS
1. A
2. B
3. A
4. B
5. A
6. B
7. B
8. A
9. D
10. D
11. B

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