CIE - B6: Plant Nutrition (0654)

What is the name of the process by which plants manufacture carbohydrates from raw materials using energy from light?

• photosynthesis
• respiration
• digestion
• synthesis

Which raw materials do plants need to carry out photosynthesis?

• carbon dioxide and water
• oxygen and glucose
• nitrogen and sunlight
• methane and sunlight

What is the energy source for photosynthesis?

• light energy
• heat energy
• chemical energy
• electrical energy

Define photosynthesis

• the process by which plants manufacture carbohydrates from raw materials using energy from light.
• The breakdown of carbohydrates in plants
• The synthesis of proteins in plants
• The storage of carbohydrates in plants

Which molecule required for photosynthesis is made of one carbon atom and two oxygen atoms joined together?

• carbon dioxide
• oxygen
• glucose
• water

Which molecule required for photosynthesis is made of one oxygen atom and two hydrogen atoms joined together?

• water
• oxygen
• carbon dioxide
• glucose

Which molecule produced in photosynthesis is made of six carbon atoms, 12 hydrogen atoms and 6 oxygen atoms?

• glucose
• carbon dioxide
• water
• oxygen

Where in a plant cell does photosynthesis take place?

• chloroplast
• nucleus
• mitochondria
• vacuole

What pigment is required for photosynthesis to take place?

• chlorophyll
• carotene
• melanin
• hemoglobin

Describe the role of chlorophyll in photosynthesis.

• absorbs and transfers light energy into chemical energy
• chlorophyll inhibits photosynthesis
• chlorophyll reflects light energy
• chlorophyll stores chemical energy