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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.

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

This in-between phase of stellar nurseries and star formation in stellar evolution is when the gathered dust is still condensing to form a star.

A Alpha Stage
B Stellar Genesis
C Protostar
D Star of Adam
Correct Answer: Protostar

Particle clouds from where stars are formed are known as____________?

A Stellar nurseries
B Star clouds
C Event horizons
D Singularities
Correct Answer: Stellar nurseries

PSR J0108-1431 is the closest known ______________ to Earth?

A Black hole
B Red giant
C Quasar
D Pulsar
Correct Answer: Pulsar