everyday science MCQs – Page 92

Practise multiple-choice questions from everyday science for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

everyday science Mcqs
1821. Outer layer of the human skin is called __________?
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A. Hemidermis

B. Hypodermis

C. Epidermis

D. Dermis

1822. Soap is prepared by boiling caustic soda with ___________?
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A. Kerosene oil

B. Alcohol

C. Glycerine

D. Fats

1823. _______ is the average distance between the Earth and the sun ?
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A. Solar unit

B. Astronomical unit

C. Light unit

D. Moon unit

1824. Volcanoes are usually located on ________?
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A. Divergent plate boundaries

B. Convergent plate boundaries

C. All of these

D. Hotspots

1825. Which of the following is mainly used for light patrol engines ?
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A. Gasoline

B. Kerosene oil

C. Paraffin oil

D. Heavy Fuel oil

1826. Main use of salt in diet is to : ___________?
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A. inclease solubility of food particles in water

B. ease the process of cooking

C. increase the taste

D. produce small amount of hydrochloric acid required for digestion
1827. Which of the following Vitamin is required for Normal Blood Circulation ?
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A. Vitamin A

B. Vitamin E

C. Vitamin D

D. Vitamin K
1828. Milky Way Galaxy in which type?
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A. Linear

B. Square

C. Round

D. spiral
1829. What is unit of conductivity?
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A. Watt

B. None of these

C. Ohm

D. mho
1830. Velometer is used to measure?
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A. Speed of Air

B. Rain

C. Heat

D. Wind pressure

1831. Study of fruit is called ___________?
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A. Apiculture

B. Pomology

C. Sericulture

D. Plriculture

1832. The energy currency of the cell is called?
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A. LEAD

B. None of These

C. Fat

D. ATP
1833. Calcium level in the blood is regulated by the: ___________?
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A. Adrenal medulla

B. Parathyroid

C. A and B

D. Thyroid

1834. The correct age of solar system is approximately __________?
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A. 4.3 Billion years

B. 4.5 Billion years

C. None of these

D. 4.4 Billion years

1835. As we go higher into the atmosphere, the air becomes?
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A. Warmer

B. Visible

C. Denser

D. Thinner
1836. The most abundant element in sea water is?
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A. Magnesium

B. Chlorine

C. Sodium

D. Sulfur

1837. Erythrocyte is another name for a ___________?
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A. Plasma

B. white blood Cells

C. Platelet

D. Red Blood cells
1838. 1 Meter = _________ millimeters?
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A. 100 millimeters (mm)

B. 10000 millimeters (mm)

C. 10 millimeters (mm)

D. 1000 millimeters (mm)
1839. What is unit of Pressure?
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A. All of these

B. Torr

C. Pascal

D. Barr

1840. Which of the following is a rich source of Vitamin B-12?
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A. Cashew nut

B. Apple

C. Milk

D. Watermelon