Photosynthesis QA Mobile-2 1783181481233

Understand photosynthesis in simple terms

An engaging exploration of how plants convert sunlight into energy, sustaining life on Earth.

Check your understanding

1. What are the three main ingredients plants need for photosynthesis?
- A. Soil, oxygen, and sugar
- B. Sunlight, water, and carbon dioxide
- C. Oxygen, water, and soil
- D. Sugar, sunlight, and air
2. Which part of a plant captures sunlight to power photosynthesis?
- A. Roots
- B. Chlorophyll
- C. Stomata
- D. Carbon dioxide
3. Where does a plant get the carbon dioxide it needs?
- A. From the soil through its roots
- B. From the oxygen in the air
- C. From the air through pores called stomata
- D. It creates carbon dioxide itself
4. What does a plant produce as a byproduct that humans need to breathe?
- A. Carbon dioxide
- B. Sugar
- C. Water
- D. Oxygen

1. If you hold a plant in a dark closet for a week, what will happen and why?
- A. It will grow faster because it is resting
- B. It will stop photosynthesizing because it lacks sunlight
- C. It will make more sugar because it is not using any
- D. It will absorb more carbon dioxide to compensate
2. A common myth is that plants 'eat' soil. Where does the majority of a plant's physical mass actually come from?
- A. The minerals in the soil
- B. The oxygen it breathes in
- C. Water and carbon dioxide from the air
- D. The sunlight it absorbs
3. Why is it incorrect to say that plants 'create' energy?
- A. Plants actually get their energy from soil nutrients
- B. Energy cannot be created, only converted from one form to another
- C. Plants use up all their energy to stay alive
- D. Plants only store energy at night
4. What happens to a plant's photosynthesis process at night?
- A. It accelerates to prepare for the next day
- B. It stops because there is no sunlight available
- C. It switches to using oxygen to produce extra sugar
- D. It absorbs more water to store for the next day

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