Photosynthesis

What are the products of photosynthesis?

• water and carbon dioxide

• oxygen and glucose

• oxygen and carbon dioxide

• oxygen and water

Which of the following would have affect the rate of photosynthesis?

• amount of water

• carbon dioxide concentration

• temperature

• all of these

Plants need ________ to conduct photosynthesis

• Oxygen

• Soil

• Carbon dioxide

• Sugar

How does most of the water needed by the plant get into its leaves?

• It enters through the stomata

• The roots absorb it and then it travels up the xylem

• It's made during a chemical reaction in the stem

• The flowers capture water and deliver it to the leaves

Why do plants conduct photosynthesis?

• To make light

• To make mitochondria

• To make glucose

• To release carbon dioxide

Which organelle in the plant cell performs photosynthesis?

• Chloroplast

• Mitochondria

• Nucleus

• Cytoplasm

How does carbon dioxide get into the leaves of a plant?

• It's absorbed by the roots

• It's made in a chemical reaction in the stem

• It enters through the stomata

• It goes through the flowers

What is the source of energy for photosynthesis?

• Carbohydrates (chemical energy)

• Light (radiant energy)

• Heat (thermal energy)

• Wind (kinetic energy)

Which gas is removed from the atmosphere during photosynthesis?

• hydrogen

• oxygen

• nitrogen

• carbon dioxide

What is photosynthesis?

• The process in which humans eat their food

• When a photographer takes a photo.

• To get your pictures from the photo lab.

• The process in which plants make their food.