Science MCQs

Practice multiple choice questions with instant feedback. Select an option to see if you're correct.

Total Questions
2100
Page 1 of 210
Question 1 Medium

When white light is passed through a prism, it splits into ______ colors.

A
7
B
8
C
2
D
4
Question 2 Easy

The power of combining of an atom with other atoms to form molecules or compounds is called?

A
Atomic Mass
B
Valency
C
Electronegativity
D
Ionization Energy
Question 3 Medium

How many times the proton is heavier than an electron?

A
1030
B
1205
C
1650
D
1836
Question 4 Easy

Undigested food is expelled from the human body through ____?

A
Small intestine
B
Stomach
C
Large Intestine
D
Oesophagus
Question 5 Easy

The transfer of pollen grains from anther of a flower to the stigma of the same or another flower is called?

A
Fertilization
B
Reproduction
C
Pollination
D
Photosynthesis
Question 6 Medium

Which of the following harmonics is two octaves higher in pitch than the fundamental?

A
Second
B
Third
C
Fourth
D
Fifth
Question 7 Medium

Our galaxy \(Milky Way Galaxy\\)is _____ in shape.

A
Irregular
B
Spiral
C
Elliptical
D
Circular
Question 8 Medium

The fundamental frequency of a guitar is string 220 Hz, the frequency of the second harmonic is?

A
220 Hz
B
440 Hz
C
320 Hz
D
620 Hz
Question 9 Medium

Periscope is another optical instrument that works on the principle of total ____?

A
Refraction
B
Diffraction
C
External Reflection
D
Internal Reflection
Question 10 Easy

Sound waves travel in solvents in the form of _____?

A
Transverse Waves
B
Longitudinal Waves
C
Electromagnetic Waves
D
Mechanical Waves
Showing 1-10 of 2100 questions

Quick Stats

Total Questions 10900
easy 5797
medium 2983
hard 2120

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Did You Know?

Practice Makes Perfect

Regular practice with MCQs can improve your test-taking speed and accuracy by up to 40%.

Active Recall

MCQs engage active recall, which is 50% more effective for long-term memory than passive reading.