LS.4 - Photosynthesis

What is the main function of photosynthesis in plants?

• To absorb water from the soil

• To produce food (glucose) for the plant

• To release oxygen for animals

• To provide shade

Tags

VA.LS.4.a

Which of the following is a product of photosynthesis?

• Carbon dioxide

• Oxygen

• Water

• Nitrogen

Tags

VA.LS.4.a

Which organelle in plant cells is responsible for carrying out photosynthesis?

• Mitochondria

• Chloroplast

• Nucleus

• Ribosome

Tags

VA.LS.4.a

What is the main purpose of cellular respiration in living organisms?

• To make food

• To break down food and release energy

• To absorb sunlight

• To produce chlorophyll

Tags

VA.LS.4.b

Which gas is required for cellular respiration to occur in most organisms?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

Tags

VA.LS.4.b

Which of the following best describes the relationship between photosynthesis and cellular respiration?

• They are unrelated processes

• The products of photosynthesis are the reactants of cellular respiration

• Both processes only occur in animals

• Both processes only occur at night

Tags

VA.LS.4.b

A student places a plant in a dark room for several days. What will most likely happen to the rate of photosynthesis in the plant?

• It will increase

• It will decrease

• It will stay the same

• It will stop and then restart

Tags

VA.LS.4.a

Which of the following best explains why photosynthesis is considered the foundation of virtually all food webs?

• It provides shelter for animals

• It produces the energy that supports most life forms

• It recycles nutrients in the soil

• It creates water for plants

Tags

VA.LS.4.a

If a plant’s leaves are removed, how will this affect the plant’s ability to perform photosynthesis?

• It will increase

• It will decrease

• It will not change

• It will only occur at night

Tags

VA.LS.4.a

Which of the following is the correct word equation for photosynthesis?

• Glucose + Oxygen → Carbon dioxide + Water + Energy

• Carbon dioxide + Water + Sunlight → Glucose + Oxygen

• Oxygen + Water → Glucose + Carbon dioxide

• Glucose + Water → Carbon dioxide + Oxygen

Tags

VA.LS.4.a