Science Quiz

What is the symbol for water

• H2O

• HO2

• H2O2

• H3O

Answer explanation

The symbol for water is H2O, which represents two hydrogen atoms bonded to one oxygen atom. Therefore, the correct choice is H2O.

Who is known as the father of Modern Science?

• Galileo Galilei

• Marie Curie

• Albert Einstein

• Isaac Newton

Answer explanation

Galileo Galilei is known as the father of Modern Science, making him the correct choice for this question.

What is the largest organ in the human body?

• skin

• intestine

• heart

• liver

Answer explanation

The largest organ in the human body is the skin, which serves as a protective barrier and regulates body temperature.

Which Planet is known as the "Red Planet"?

• Venus

• Saturn

• Jupiter

• Mars

Answer explanation

Mars is known as the 'Red Planet' due to its reddish appearance caused by iron oxide on its surface.

Which planet is known as the "Morning Star"?

• Mars

• Venus

• Mercury

• Jupiter

Answer explanation

Venus is known as the 'Morning Star' due to its brightness in the morning sky.

Who discovered the theory of relativity?

• Isaac Newton

• Albert Einstein

• Galileo Galilei

• Marie Curie

Answer explanation

Albert Einstein discovered the theory of relativity.

What is the powerhouse of the cell?

• Mitochondria

• Nucleus

• Ribosome

• Endoplasmic Reticulum

Answer explanation

The powerhouse of the cell is the mitochondria, as it is responsible for producing the majority of the cell's energy through the process of cellular respiration.

What is the phenomenon where light is bent as it passes through different mediums called?

• Reflection

• Diffraction

• Absorption

• Refraction

Answer explanation

Refraction is the phenomenon where light is bent as it passes through different mediums, such as air or water.

Nitrogen is the most abundant gas in Earth's Atmosphere

Answer explanation

The most abundant naturally occurring gas is nitrogen (N₂), which makes up about 78% of air. Oxygen (O₂) is the second most abundant gas at about 21%. The inert gas argon (Ar) is the third most abundant gas at 0.93%.

What is the study of fossils called?

• Geology

• Zoology

• Paleontology

• Botany

Answer explanation

The study of fossils is called Paleontology, which focuses on the identification, classification, and understanding of ancient life forms through their remains.