M C Q s D r i v e

Everyday Science 2143 MCQs [All-Courses]

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Prepare effectively with our Everyday Science MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Physics, Chemistry, Biology, Environment, Human Body, Inventions, Scientific Laws, and daily-life science concepts.
Strengthen your scientific understanding, improve MCQS accuracy, and boost your exam performance with well-structured and updated topics.

The gases which are used by drivers as an artificial atmosphere are helium and_____________?

A Nitrogen
B Oxygen
C Neon
D Carbon monoxide
Correct Answer: Oxygen

Air contains volume of carbon dioxide approximately?

A 3%
B 33%
C 0.3%
D 0.03%
Correct Answer: 3%

Nitrogen occurs in plant and animals in the form of ___________?

A Minerals
B Fats
C Carbohydrates
D Proteins
Correct Answer: Proteins

As the temperature of ice rises, the ice melts and its density?

A Decreases
B Remain constant
C Increases
D Increases upto 10C
Correct Answer: Increases

In blood, the percentage of water is___________?

A 75%
B 85%
C 90%
D 95%
Correct Answer: 90%

Coke is made by heating coal in the absence of air at__________?

A 700 °C
B 900 °C
C 1300 °C
D 1700 °C
Correct Answer: 1300 °C

Why are soft drink made with chilled water rather than water at room temperature?

A Ingredients dissolve better in chilled water
B Chilled water enhances the taste
C Chilled water attracts more carbon dioxide
D Chilled water is more hygienic
Correct Answer: Chilled water attracts more carbon dioxide

In an oil lamp, the oil rises up in the wick due to?

A Capillary action
B Atmospheric pressure
C Viscosity of oil
D Change in temperature
Correct Answer: Capillary action

Heating element of an electric heater is made up of___________?

A Tungsten
B Graphite
C Chromium
D Nichrome
Correct Answer: Nichrome

During a total solar eclipse there is most likely to be_____________?

A A decrease in the rate of photosynthesis
B An increase in the rate of photosynthesis
C A decrease in the rate of respiration
D No effect on either photosynthesis or respiration
Correct Answer: A decrease in the rate of photosynthesis