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Everyday Science 2137 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  2137

‘Black holes’ refers to_______________?

A Holes occurring in heavenly bodies
B Bright spots on the sun
C Collapsing object of high density
D Collapsing object of low density
Correct Answer: Collapsing object of high density

The phases of the moon are partially the result of the____________?

A Changes in the shape of the moon
B Revolution of the moon around the earth
C Variations in the moon’s gravitation
D Variations in the speed of rotation of the moon
Correct Answer: Revolution of the moon around the earth

The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of sun’s energy coming to it?

A 10%
B 20%
C 30%
D 50%
Correct Answer: 30%

What is the temperature at the center of the Sun?

A 6 million °C
B 10 million °C
C 15 million °C
D 20 million °C
Correct Answer: 15 million °C

What is the mass of the Sun?

A 1.5×10 Power 30 Kg
B 1.98×10 Power 30 Kg
C 4.5×10 Power 30 Kg
D 8×10 Power 30 Kg
Correct Answer: 1.98×10 Power 30 Kg

An example of an abiotic component __________?

A Plants
B Soil
C Animals
D Bacteria
Correct Answer: Soil

Pollutants that are introduced into the environment by human activity are called as ___________?

A Qualitative pollutants
B Quantitative pollutants
C Anthropogenic pollutant
D All of Above
Correct Answer: Anthropogenic pollutant

Basidiospores are considered to be a major source of ___________?

A airborne allergens
B water borne allergens
C animal faeces
D bio-weapon
Correct Answer: airborne allergens

The species that flower are called ______________?

A Gymnosperms
B Bryophytes
C Angiosperms
D Algae
Correct Answer: Angiosperms

The instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere ___________?

A Barograph
B Radiosonde
C Aneroid barometer
D Altimeter
Correct Answer: Radiosonde
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