Understanding Photosynthesis

What is the primary pigment in chloroplasts that absorbs light?

• Chlorophyll

• Starch

• Cellulose

• Glucose

Which molecule is essential for the process of photosynthesis to occur?

• Carbon dioxide

• Hydrogen

• Oxygen

• Nitrate

What type of reaction is photosynthesis considered?

• Exothermic

• Decomposition

• Endothermic

• Single replacement

Which of the following is not a direct product of photosynthesis?

• Oxygen

• Glucose

• Water

• Carbon dioxide

Through which part do plants intake carbon dioxide?

• Xylem

• Chloroplasts

• Stomata

• Roots

How is water transported to the leaves for photosynthesis?

• Through the phloem

• Via the xylem

• Via the chloroplasts

• Through the stomata

What is the main purpose of glucose in plants?

• For respiration and energy release

• To make proteins

• To absorb light

• To strengthen cell walls

What is the result of combining glucose molecules in plants?

• Amino acids

• Fats

• Starch

• Proteins

What is cellulose used for in plants?

• Energy storage

• Strengthening cell walls

• Breaking down glucose

• Absorbing light

What is the significance of starch in plant cells?

• It serves as long-term energy storage

• It is used to capture light energy

• It strengthens the cell walls

• It is used directly in respiration