M C Q s D r i v e

Everyday Science 2124 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 gradual physiological adjustment to slowly changing new environmental conditions is known as _____________________?
A Selection
B Introduction
C Acclimatization
D Quarantine
Correct Answer: Acclimatization
Salinization is ___________?
A Accumulation of salts in water
B Accumulation of salts in soil
C Accumulation of salts in body
D Accumulation of salts in animals
Correct Answer: Accumulation of salts in soil
Acid deposition causes ______________________?
A the greenhouse effect to lessen
B lakes and forests to die
C acid indigestion in humans
D all the above are correct
Correct Answer: lakes and forests to die
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