General Science Quiz Test For Competitive Exams Practice

General Science Quiz 18

1 / 20

Which one is the brightest star in the night sky?

A. Betelgeuse

B. Sirius

C. Rigel

D. Polaris

2 / 20

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

3 / 20

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.

4 / 20

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

5 / 20

The Big Dipper is part of which constellation?

A. Ursa Major

B. Ursa Minor

C. The Great Bear

D. A. and C. above

6 / 20

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

7 / 20

Antares is of the largest known ______?

A. Quasars Star

B. Pulsars Star

C. White Dwarfs Star

D. Red Super-giants Star

8 / 20

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

9 / 20

Particle clouds from where stars are formed are known as ______?

A. Stellar nurseries

B. Star clouds

C. Event horizons

D. Singularities

10 / 20

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

A. Black hole

B. Red giant

C. Quasar

D. Pulsar

11 / 20

When a star becomes a singularity and has zero volume and infinite density, it is called _______?

A. White dwarf

B. Blue giant

C. Wolf-Raynet star

D. Black hole

12 / 20

You have discovered a new celestial body. It has a thick atmosphere and it produces powerful cosmic winds and, when observed, the clouds obscure the body. You have determined it is this type of star.

A. Wolf-Rayet star

B. Red supergiant

C. Stellar storm

D. Pulsar

13 / 20

In a typical H-R diagram, stars are graphed by these two characteristics:

A. Temperature and luminosity

B. Luminosity and distance

C. Distance and temperature

D. Size and distance

14 / 20

A pulsar is a rapidly spinning neutron star which emits:

A. A blinding light when it aligns with the planets

B. Radio waves detectable from Earth

C. A gravitational pull which attracts high energy dust particles

D. Enough energy to power itself indefinitely

15 / 20

What sub-class of neutron star is known for its extremely high magnetic field?

A. Magnetar

B. Quasar

C. Magneto

D. Magnetta

16 / 20

When our sun reaches the end of its red giant phase, it will turn into a ________?

A. Supernova

B. White Dwarf

C. Black Hole

D. Neutron Star

17 / 20

Insulin drug was discovered by _________?

A. Charles Herbert Best

B. Prof John James Rickard Macleod

C. Sir Frederick Grant Banting

D. Leonard Thompson

18 / 20

Most drugs are excreted through ______?

A. Kidney

B. Skin

C. Gallbladder

D. Lungs

19 / 20

A glass chimney stops an oil lamp from smoking because:

A. It increases the supply of oxygen to the flame by convection

B. The heat produced ensures complete

C. Both to these

D. Neither of these

20 / 20

The common refrigerant used in domestic Refrigerator is _______?

A. Neon

B. Spirit

C. Freon/Ammonia

D. Methane

Your score is

The average score is 42%

General Science Quiz Test

There are total twenty mcqs in this important general science quiz test with answers for online preparation.

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Also Read: General Knowledge MCQs and Everyday Science MCQs

Everyday Science Quiz 18

General Science Quiz Test

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