Science day quiz

Which planet is called the "Red Planet"?

• Mars

• Venus

• Jupiter

• Pluto

What is the main gas in the air we breathe?

• Nitrogen

• Carbon dioxides

• Oxygen

• Hydrogen

1. 
   How do plants make food using sunlight?

• Respiration

• Photosynthesis

• Fermentation

• Combustion

What unit measures electric current?

• Watt

• Volter

• Ohm

• Ampere

Which element has the symbol "O"?

• Oxygen

• Nickel

• Osmium

• Radon

What is the chemical formula for water?

• H2O2

• Co2

• H2O

• CH4

What is the largest organ in the human body?

• Heart

• Lungs

• Kidney

• Skin

Which planet is known as the "Morning Star" or "Evening Star" in the sky?

• Mars

• Venus

• Jupiter

• Mercury

What is ‘powerhouse of the cell' ?

• Chloroplast

• Mitochondria

• Photosynthesis

• Stem

What is the chemical symbol for iron?

• Fr

• Fe

• Fi

• Fn