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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

Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?

A ionic substances
B metallic substances
C molecular solids
D covalent network solids
Correct Answer: metallic substances

Which of the following is a substance?

A Sea water
B Brass
C Tape water
D Graphite
Correct Answer: Graphite

An atom is_____________?

A smallest indivisible particle in an element
B smallest particle of an element which can undergo a chemical reaction
C building block of an element
D always smaller than molecule
Correct Answer: smallest particle of an element which can undergo a chemical reaction

All of the following statements are incorrect except:

A Precision and accuracy should go side by side in a scientific work
B Scientific work must be precise, accuracy is not essential
C Scientific work must be accurate, precision is not essential
D Calculations must be made before any experiment
Correct Answer: Precision and accuracy should go side by side in a scientific work

The average speed of a moving object during a given interval of time is always:

A the magnitude of its average velocity over the interval
B the distance covered during the time interval divided by the time interval
C one-half its speed at the end of the interval
D its acceleration multiplied by the time interval
Correct Answer: the distance covered during the time interval divided by the time interval

The SI base unit for mass is_____________?

A Gram
B Pound
C Kilogram
D Ounce
Correct Answer: Kilogram

Which of the following is closest to a yard in length?

A 0.01m
B 0.1m
C 1m
D 10m
Correct Answer: 1m

Water is a universal solvent for what reactions?

A Chemical
B Biochemical
C Physical
D Nuclear
Correct Answer: Biochemical

During a total solar eclipse the rate of Photosynthesis___________?

A Increase
B Decrease
C Remain Constant
D None of them
Correct Answer: Decrease

Oranges are rich source of____________?

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