Everyday Science Mcqs

Water is a universal solvent for what reactions?

A. Chemical
B. Biochemical 
C. Physical
D. Nuclear

During a total solar eclipse the rate of Photosynthesis___________?

A. Increase
B. Decrease
C. Remain Constant
D. None of them

The SI standard of time is based on_____________?

A. the daily rotation of the earth
B. the frequency of light emitted by Kr86
C. the yearly revolution of the earth about the sun
D. a precision pendulum clock
E. none of these

Oranges are rich source of____________?

A. Carbohydrates
B. Fats
C. Proteins
D. Vitamins

Which one is the brightest star in the night sky?

A. Betelgeuse
B. Sirius
C. Rigel
D. Polaris

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

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.

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

The Big Dipper is part of which constellation?

A. Ursa Major
B. Ursa Minor
C. The Great Bear
D. 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