everyday science MCQs – Page 91

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 Review each marked answer and report any item that may be outdated or unclear.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
1801. The source of the Suns energy is the process of ____________?
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A. Nuclear fusion

B. Nuclear fission

C. Photoelectric emission

D. Thermionic emission

1802. The respiratory problem common in smokers is______?
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A. Emphysema

B. tuberculosis

C. Asthma

D. Cancer

1803. There are almost _______of nephrons in the each kidney in human body?
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A. 5 million

B. 3 million

C. 1 million

D. 10 million

1804. The chemical name of chalk is
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A. Calcium carbonate

B. Sulphuric acid

C. Sodium nitrate

D. Zinc sulfate

1805. A bird sitting on a high tension electric wire does not get electrocuted because:
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A. Sit has high resistance

B. its feet are good insulators

C. it does not form a closed path for the flow of current

D. the body is earthed

1806. The winter solstice in the southern Hemisphere occurs on __________?
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A. 21 June

B. 22-Mar

C. 22-Dec

D. 23-Sep

1807. The gases used in different types of welding would include:__________?
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A. oxygen, hydrogen, acetylene and nitrogen

B. oxygen, acetylene and argon

C. oxygen and hydrogen

D. oxygen and acetylene
1808. Hydrology is the study of ___________?
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A. High temperature

B. High Mountain

C. Height

D. Rainfall
1809. WBCs are also called as _________?
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A. Erythrocytes

B. Nucleotides

C. Leukocytes

D. Lymphocytes

1810. Which ocean does not commonly experience tropical cyclones ?
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A. South Atlantic

B. Indian Ocean

C. Western Pacific

D. North Atlantic

1811. Who among the following discovered the sunspots?
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A. Copernicus

B. Einstein

C. Galileo

D. Johannes Kepler

1812. The Aurora Borealis, also known as ________?
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A. Western lights

B. Eastern lights

C. Northern lights

D. Southern lights

1813. Water soluble Vitamins are _________?
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A. B & K vitamins

B. A & K vitamins

C. A & D vitamins

D. B & C vitamins
1814. _______ bacterial disease affects Eye?
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A. Osteoporosis

B. Trachoma

C. Rickets

D. Gum disease

1815. Volcanoes can also be caused by _____ so called hot spots.
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A. None of these

B. Ash

C. Gases

D. Mantle Plumes
1816. Which one of the following elements the drum of a Photostat machine is made up of: _________?
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A. Selenium

B. None of these

C. Aluminium

D. Barium

1817. Weather and climate are driven by what source(s) of energy ?
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A. Earths internal heat

B. Solar radiation

C. Gravity

D. Both (a) and (c)

1818. How many rows in the modern Periodic Table?
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A. 5

B. e of these.

C. 6

D. 7
1819. Which of the following are not deflected by electric and magnetic fields ?
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A. Alpha rays

B. Beta rays

C. Gamma rays

D. None of these

1820. Which of the following is not a Fat-soluble vitamin?
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A. Vitamin D

B. Vitamin A

C. Vitamin E

D. Vitamin B