Grade 9 Science Quiz: Explore Biology, Chemistry, and Physics with 10 Engaging Questions

#1. What is the formula for photosynthesis?

CO2 + O2 → H2O + C6H12O6

O2 + H2O → CO2 + C6H12O6

CO2 + H2O → C6H12O6 + O2

H2O + CO2 → C6H12O6 + O2

#2. What gas do plants release during photosynthesis?

Methane

Nitrogen

Carbon Dioxide

Oxygen

#3. What is the powerhouse of the cell?

Nucleus

Chloroplast

Mitochondria

Ribosome

#4. What is the pH level of pure water?

5

7

8

6

#5. What is the basic unit of life?

Cell

Tissue

Atom

Molecule

#6. What is the chemical symbol for water?

H2O

NaCl

O2

CO2

#7. What planet is known as the Red Planet?

Jupiter

Mars

Venus

Saturn

#8. What is the speed of light?

000 km/s

450

600

000 km/s

300

000 km/s

150

#9. What type of bond is formed when electrons are shared between atoms?

Metallic bond

Covalent bond

Hydrogen bond

Ionic bond

#10. Who proposed the theory of relativity?

Isaac Newton

Niels Bohr

Galileo Galilei

Albert Einstein

Results

#1. What is the formula for photosynthesis?

#2. What gas do plants release during photosynthesis?

#3. What is the powerhouse of the cell?

#4. What is the pH level of pure water?

#5. What is the basic unit of life?

#6. What is the chemical symbol for water?

#7. What planet is known as the Red Planet?

#8. What is the speed of light?

#9. What type of bond is formed when electrons are shared between atoms?

#10. Who proposed the theory of relativity?