IGCSE Biology Paper-3: Specimen Questions with Answers 1 - 5 of 358

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Question 1

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Make a food chain using as many organisms given in the box below.

Above Table Shows an Example of Food Chain
thrushcloversnailhawk
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Explanation

clover ⇾ snail ⇾ thrush ⇾ hawk

Passage

Diagram shows water cycle.

Shows Hydrological Cycle

Question 2 (1 of 4 Based on Passage)

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What are the processes X and Y?

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Explanation

x-evaporation

Y-transpiration

Question 3 (2 of 4 Based on Passage)

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What happens when water evaporates and condense?

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Explanation

when water evaporates, it takes up energy from its surroundings and cools the environment. When it condenses, it releases energy and warms the environment.

Question 4 (3 of 4 Based on Passage)

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Name processes of water cycle.

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Explanation

Evaporation, condensation, precipitation,

Question 5 (4 of 4 Based on Passage)

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Describe human impact on water cycle.

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Explanation

Many human activities increase greenhouse gases in our environment. GHG causes global warming. Due to warmer air causes more evaporation and warm air holds more water, this will lead imbalance in water cycle and climate change will occur . Besides this, Combustion of fossil fuels adds sulfur and nitrogen compounds to the air. These compounds mix with the water vapor in the atmosphere and make it more acidic.

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