Photosynthesis and Respiration in Plants Quiz

What is the process called when glucose is broken down by oxygen to release energy in plants?

• Photosynthesis

• Transpiration

• Respiration

• Fermentation

What are the special molecules that provide energy directly to all the plant cells?

• ATP molecules

• Chlorophyll molecules

• Phloem vessels

• Glucose molecules

When does photosynthesis take place in plants?

• Only during the day

• Only at night

• All the time

• Only during the evening

What is the process called when carbon dioxide and water react to form glucose and release oxygen in the presence of sunlight?

• Transpiration

• Photosynthesis

• Respiration

• Fermentation

What happens to the rate of photosynthesis when the light is bright at noon?

• It remains the same

• It stops completely

• It becomes very fast

• It slows down

What is the relationship between photosynthesis and respiration in plants?

• They are independent processes

• They have no relationship

• They are interdependent processes

• They compete with each other

What is the main gas released back into the atmosphere during photosynthesis?

• Carbon dioxide

• Oxygen

• Nitrogen

• Hydrogen

What is the main gas absorbed from the atmosphere during respiration in plants?

• Carbon dioxide

• Hydrogen

• Nitrogen

• Oxygen

What is the process called when glucose is transported from the leaves to different parts of the plant?

• Photosynthesis

• Transpiration

• Phloem transport

• Respiration

What is the importance of the relationship between photosynthesis and respiration in plants?

• It helps in the production of oxygen and food

• It is only important for plants

• It has no importance

• It helps in the production of carbon dioxide and water