Heat & Energy Exercise 6b
Please Select
Q1 What is an ecosystem? Name its two components
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Q2 What is the source of energy for all ecosystems
Solution :

Q3 State the importance of green plants in an ecosystem
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Q4 Differentiate between the producers and consumers
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Q5 State the functions of decomposers in an ecosystem
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Q6 What is a food chain
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Q7 Draw a simple diagram showing a food chain
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Q8 Describe the energy flow in an ecosystem.
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Q9 State the law which governs the energy flow in an ecosystem
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Q10 Show that the energy flow in an ecosystem is linear
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Q11 Draw a simple diagram showing the energy flow in a food chain
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Q12 Draw a diagram to show that the energy flow in an ecosystem is governed by the law of conservation of energy
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Multiple Choice Questions
Q1 Food chain begins with:
(a) Respiration
(b) Photosynthesis
(c) Decomposition
(d) Decay
Solution :

Q2 The source of energy in an ecosystem is:
(a) Sun
(b) Decayed bodies
(c) Green plants
(d) Sugar
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Q3 Energy enters in a food chain through:
(a) Primary consumers
(b) Secondary consumers
(c) Tertiary consumers
(d) Producers
Solution :

Q4 The place of human beings in food chain in an ecosystem is as a:
(a) Producer
(b) Consumer
(c) Decomposer
(d) Both (a) & (b)
Solution :

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