Year 9 Plant reactions

Identify the structures in the image where photosynthesis takes place in a plant cell

• Vacuole

• Mitochondria

• Nucleus

• Chloroplasts

What type of energy is needed for photosynthesis to take place?

• Light

• Heat

• Kinetic

• Chemical

State the gas required for photosynthesis to occur

Photosynthesis takes place in leaves. A leaf is an example of which of the following?

• Organ system

• Tissue

• Organ

• Cell

The sugar produced in photosynthesis can be stored as which type of larger carbohydrate?

The presence of starch can be tested using iodine solution. What colour indicates a positive test?

• Brick red

• Orange

• Dark blue/black

• Purple

State the simple sugar produced in photosynthesis

Which of the following is used to test for reducing sugars such as glucose?

• Biurets solutions

• Iodine solution

• Emulsion test

• Benedict's solution

State the gas produced in photosynthesis

Identify the green pigment found in plant cells that absorbs the light energy needed for photosynthesis

• Chloroplast

• Haemoglobin

• Chlorophyll

• Cytoplasm