PHOTOSYNTHESIS and RESPIRATION

The most important chemical reaction on our planet is 

• sunlight
• photosynthesis
• respiration

What do all plants need to live?

• sunlight
• carbon dioxide
• sunlight and carbon dioxide

Photosynthesis is the process that plants and other organisms use to convert ______ energy into chemical energy or _______.

• water energy into chemical energy or glucose
• sunlight energy into chemical energy or sugars
• sunlight energy into chemical energy or carbon dioxide

What is the green pigment in plants?

• oxygen
• chlorophyll
• glucose

Why is photosynthesis the most important chemical reastion on our planet?

• because animals eat plants
• because humans eat plants
• because it provides oxygen for all life to breathe
• because it provides oxygen for only humans to breathe

What is the name of the simple sugar that is produced in photosynthesis?

• Sucrose
• Dextrose
• Glucose
• Lactose

What gas is USED in Respiration?

• O₂
• CO₂
• H₂O
• CHO₂

The process of converting light energy to chemical energy is called

• respiration
• mitosis
• photosynthesis
• active transport

What gas is TAKEN IN during photosynthesis?

• argon
• nitrogen
• oxygen
• carbon dioxide

What are cell parts in plants that convert sunlight into sugar?

• Chloroplasts
• Mitochondria
• Nucleus
• Ribosomes