Plant and Chemical Processes Quiz

What is the primary function of chlorophyll in plants?

• Absorbing water

• Absorbing light energy

• Transporting minerals

• Producing oxygen

What is the word equation for photosynthesis?

• Water + Carbon dioxide → Oxygen + Glucose

• Glucose + Oxygen → Water + Carbon dioxide

• Oxygen + Water → Glucose + Carbon dioxide

• Carbon dioxide + Water → Glucose + Oxygen

Which mineral is essential for making chlorophyll in plants?

• Calcium

• Magnesium

• Nitrate

• Potassium

Which process in the carbon cycle releases carbon dioxide into the atmosphere?

• Photosynthesis

• Respiration

• Feeding

• Mineral absorption

What is the primary role of the xylem in plants?

• Transporting food

• Transporting water and minerals

• Exchanging gases

• Releasing oxygen

What type of bond is formed when two atoms share electrons?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Metallic bond

What is an ion?

• A neutral atom

• An atom that has lost or gained electrons

• An atom that shares electrons

• An atom with extra protons

Which group in the Periodic Table contains highly reactive metals?

• Group 1

• Group 2

• Group 7

• Group 8

Which method is used to prepare common salts in a laboratory?

• Distillation

• Filtration

• Crystallisation

• Sublimation

What happens to the rate of a reaction when the temperature increases?

• It decreases

• It remains the same

• It increases

• It stops