MCQ Bank

What is the primary source of the Sun's energy?

How many chambers does the human heart contain?

Which of Newton's laws is also known as the law of inertia?

Which gas is responsible for the greenhouse effect and global warming in large concentrations?

Which vitamin is synthesized by the human skin upon exposure to sunlight?

The splitting of white light into its constituent colours is known as?

Which non-metal is essential for combustion and supports respiration in living organisms?

What is the natural satellite of the Earth?

Which gas do humans primarily exhale as a waste product of respiration?

What is the SI unit of electrical power?

Which disease is caused by a deficiency of insulin or the body's inability to use it effectively?

The region around a magnet where its force can be detected is called the?

Which is the lightest and most abundant chemical element in the universe?

Which planet of the solar system is known as the 'Red Planet'?

Which nutrient class serves as the primary source of energy for the human body?

Which mode of heat transfer does not require a material medium?

A solution with a pH value of 3 is best classified as which of the following?

Which molecule carries the genetic information in most living organisms?

What is the SI unit of electric current?

Which specific blood group type is globally classified as the 'universal donor'?