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Everyday Science 2141 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.

All Topics  2141

Water vapor is ______________?

A A gas
B A cloud droplet
C A rain drop
D A snowflake
Correct Answer: A gas

At what time of day is the relative humidity normally at a minimum ________________ ?

A When the air temperature is highest
B Just before sunrise
C About midnight
D When the air temperature is lowest
Correct Answer: When the air temperature is highest

The atmospheric greenhouse effect is produced mainly by the __________________?

A Absorption and re-emission of visible light by the atmosphere
B Absorption and re-emission of ultraviolet radiation by the atmosphere
C Absorption and re-emission of infrared radiation by the atmosphere
D Absorption and re-emission of visible light by clouds
Correct Answer: Absorption and re-emission of infrared radiation by the atmosphere

Which of the following chemicals is not found in tobacco smoke?

A Chlorine bleach
B Rocket fuel
C Nail polish remover
D Barbecue lighter fluid
Correct Answer: Nail polish remover

What is the addictive drug in tobacco ______________?

A Ethanol
B Nicotine
C Ammonia
D Tar
Correct Answer: Nicotine

How does smoking cigarettes impact the red blood cells?

A Decreases their ability to congeal
B Decreases their ability to carry oxygen
C Decreases their ability to reach their typical life duration
D Decreases their ability to cleanse wounds
Correct Answer: Decreases their ability to carry oxygen

Which of the following conditions related to smoking involves damage to the alveoli sacs?

A Lung Cancer
B Atherosclerosis
C Emphysema
D Asthma
Correct Answer: Emphysema

Periodontics deals with _____________?

A Surgery of spine
B Stomach disorders
C Ligaments restoration
D Dentistry
Correct Answer: Dentistry

Fuzzy logic is a part of_________________?

A Aristotle’s philosophy
B Computer science
C Epicurianism
D Sophism
Correct Answer: Computer science

Circadian Rhythm refers to _____________?

A Planetary movements
B Formation of galaxies
C Human body cycles
D Calisthenics
Correct Answer: Human body cycles
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