Importance of photosynthesis practice exercise 1

Course: Grade 9 Integrated Science - Living things and their environment - Nutrition in plants

Quiz Questions (11 questions)

Question 1
Describe how photosynthesis supports animals and humans indirectly. (2 marks)
Question 2
Explain how photosynthesis contributes to the balance of gases in the atmosphere. (2 marks)
Question 3
How does photosynthesis act as the foundation of food chains? (1 mark)
Question 4
How does photosynthesis help in protecting the environment? (1 mark)
Question 5
How does photosynthesis provide energy sources for humans?  (1 mark)
Question 6
State two ways in which photosynthesis is important in agriculture. (2 marks)
Question 7
Why is photosynthesis considered the most important biological process on Earth? (2 marks)
Question 8
Why is photosynthesis important for people’s health and survival?  (1 mark)
Question 9
Why is photosynthesis important in controlling the levels of carbon dioxide in the environment? (2 marks)
Question 10
Why is photosynthesis important to plants themselves? (1 mark)
Question 11
Why is photosynthesis important to plants themselves? (1 mark)

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