CIE Biology Paper-3: Specimen Questions 155 - 163 of 230

Passage

Study the food web below and answer the questions.

Example of Food Web of a grassland ecosystem

Example of Food Web of a grassland ecosystem

found the number of food chains found in given food web in grassland ecosystem

Question number: 155 (1 of 5 Based on Passage) Show Passage

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Is energy flow is a cycle like nitrogen cycle and carbon cycle?

Explanation

No, Energy do not back to the sun again.

Question number: 156 (2 of 5 Based on Passage) Show Passage

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In which tropic level grasshopper stands.

Explanation

Primary consumer

Question number: 157 (3 of 5 Based on Passage) Show Passage

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Why food web is necessary?

Explanation

For making the balance of ecosystem

Question number: 158 (4 of 5 Based on Passage) Show Passage

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In what form is energy passed from the grass to the deer?

Explanation

chemical energy

Question number: 159 (5 of 5 Based on Passage) Show Passage

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How many type of food chains occur in such food web?

Explanation

Two types of food chains are present in above figure.

1- Grass—grasshopper—frog—cobra—tiger

2- Grass—deer—tiger

Question number: 160

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Why leaves have large surface area?

Explanation

Leaves have large surface area to absorb more light.

Passage

Figure below shows a food chain.

Image shows a food chain of grassland ecosystem

Image shows a food chain of grassland ecosystem

In given figure grazing food chain is shown in which one organism is eaten by another.

Question number: 161 (1 of 3 Based on Passage) Show Passage

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Which is the primary consumer in given diagram?

Explanation

Insect is the primary consumer in given diagram.

Question number: 162 (2 of 3 Based on Passage) Show Passage

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What is the ultimate source of energy in above food chain?

Explanation

Sun

Question number: 163 (3 of 3 Based on Passage) Show Passage

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Give two examples of food chains found on land and water

Explanation

Food chains found on land-

  1. Sun - grass - mice – lion
  2. 2. Grass - rabbit - snake - owl – hawk

Food chains found on water-1. Phytoplankton - zooplankton - fish - seal - great white shark

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