YEAR 7 BIOLOGY REVISION QUESTIONS HOMEWORK
1.What are the main types of microorganisms?
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2.Which environment is used to grow bacteria in a laboratory?
A. Soil
B. Agar jelly in petri dishes
C. Water
D. Sand [1] 3.What is the correct way to indicate energy transfer in a food chain?
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4.In a food web, what term describes an organism that produces its own food through
photosynthesis?
A. Primary consumer
B. Secondary consumer
C. Tertiary consumer
D. Primary producer [1]
5.How do food chains and food webs describe feeding relationships?
A. They show how organisms compete.
B. They describe where animals live.
C. They show how energy and nutrients flow.
D. They list the sizes of organisms. [1] 6. How do microorganisms contribute to decay?
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7. What role do bacteria play in the food web?
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TOTAL MARKS 12