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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.

All Topics  2124

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
Which one is the brightest star in the night sky?
A Betelgeuse
B Sirius
C Rigel
D Polaris
Correct Answer: Sirius
The large dark patches on the Moon’s surface are known as___________?
A Dark matter
B Maria, or seas, even though there is no water on the Moon
C Maria, or seas, because they are filled with water
D Moon spots
Correct Answer: Maria, or seas, even though there is no water on the Moon
What causes the Moon’s phases?
A The Sun lights up only one half of the Moon and as the Moon orbits the Earth we can sometimes see the unlit side of the Moon.
B The Sun lights up only one half of the Moon and as the Sun orbits the Earth we can sometimes see the unlit side of the Moon.
C The Earth’s shadow falls on the Moon, blocking the sunlight.
D The Moon’s shadow falls on the Earth, blocking the sunlight.
Correct Answer: The Sun lights up only one half of the Moon and as the Moon orbits the Earth we can sometimes see the unlit side of the Moon.
What are the names of the two stars in the Big Dipper used to locate Polaris?
A The North Seekers
B The Pointer Stars
C The Pointer Sisters
D None of these
Correct Answer: The Pointer Stars
The Big Dipper is part of which constellation?
A Ursa Major
B Ursa Minor
C The Great Bear
D A. and C. above
Correct Answer: A. and C. above
The sun is made up of 99.9% of ________________ and ______________?
A Oxygen and Hydrogen
B Hydrogen and Sulfur
C Carbon and Silicon
D Hydrogen and Helium
Correct Answer: Hydrogen and Helium
Antares is of the largest known ___________?
A Quasars Star
B Pulsars Star
C White Dwarfs Star
D Red Super-giants Star
Correct Answer: Red Super-giants Star
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