IGCSE Photosynthesis

Identify the green pigment found in leaves that absorbs light energy

• Chloroplasts

• Haemoglobin

• Chlorophyll

• Cytoplasm

The leaf of a plant is an example of which of the following?

• Tissue

• Organ

• Organelle

• Organ system

Identify the structures in the image that allow for gases to diffuse into and out of the leaf

Which of the following prevents water loss from the surface of a leaf?

• Spongy mesophyll

• Air spaces

• Upper epidermis

• Waxy cuticle

Where in a plant cell does photosynthesis occur?

Which structures transport water and mineral ions into the leaf?

• Xylem vessels

• Guard cells

• Phloem tubes

• Capillaries

In which tissue of a leaf does most photosynthesis take place?

• Lower epidermis

• Palisade mesophyll

• Upper epidermis

• Air spaces

identify the sugar produced in photosynthesis

Which cells control the opening and closing of the stomata?

Which process is responsible for the movement of gases into and out of the leaf?

• Active transport

• Osmosis

• Diffusion

• Mitosis