Biology 9 SE Revision 2

Which is the word equation for photosynthesis?

• glucose + oxygen -> carbon dioxide + water

• methane + oxygen -> carbon dioxide + water

• glucose + carbon dioxide -> oxygen + water

• carbon dioxide + water -> oxygen + glucose

State the balanced symbol equation for photosynthesis

• CO₂ + H₂O -> C₆H₁₂O₆ + O₂

• C₆H₁₂O₆ + 6O₂ -> 6CO₂ + 6H₂O

• 6CO₂ + 6H₂O -> C₆H₁₂O₆ + 6O₂

• CO₂ + H₂O -> 6C₆H₁₂O₆ + O₂

Which molecule transfers light energy into chemical energy for the synthesis of carbohydrates

• Chloroplast

• Chlorophyll

• Mitochondria

• Vacuole

State the name of structure A

• Vascular bundle

• Upper epidermis

• Palisade mesophyll

• Spongy mesophyll

In plants the glucose produced in photosynthesis gets stored as which molecule?

• Starch

• Glycogen

• Lipids

• Protein

What is the name of the water proof layer on the top of the leaf?

• Vascular bundle

• Cuticle

• Palisade mesophyll

• Spongy mesophyll

What are the cells in layer B called?

• Vascular bundle

• Cuticle

• Palisade mesophyll

• Spongy mesophyll

What is the role of the xylem?

• transports water and help supports the plant

• transports sugars

• where photosynthesis happens

• where respiration happens

What is the role of the phloem?

• transports water and help supports the plant

• transports sugars

• where photosynthesis happens

• where respiration happens

What is the name of layer D called?

• Vascular bundle

• Cuticle

• Palisade mesophyll

• Spongy mesophyll