Exploring the Process of Photosynthesis

How many people are predicted to be on Earth by 2050?

• More than 15 billion

• About 10 billion

• About 8 billion

• About 2.5 million

What is the main reason agricultural production needs to increase?

• To create more jobs

• To feed a growing population

• To increase exports

• To reduce pollution

What is photosynthesis?

• A process plants use to make food

• A process to purify water

• A method to reduce carbon emissions

• A way animals make food

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What does chlorophyll do during photosynthesis?

• Captures sunlight

• Produces carbon dioxide

• Absorbs water

• Releases oxygen

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What is one of the byproducts of the light-dependent reactions?

• ATP

• Sugar

• Oxygen

• Carbon dioxide

What happens in the Calvin Cycle?

• Oxygen is released

• CO2 is converted into sugars

• Water is split

• Light is captured

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What is carbon fixation?

• Breaking down carbon compounds

• Turning CO2 into usable energy

• Removing carbon from the atmosphere

• Plants turning CO2 into sugars

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How do plants contribute to the food chain?

• By regulating temperature

• By forming the base of the food chain

• By consuming other organisms

• By providing oxygen

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Why is studying photosynthesis in extreme conditions important?

• To apply knowledge to future climate challenges

• To find new habitats for humans

• To reduce research costs

• To understand alien life forms

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What are scientists researching to help with food production?

• Processes to eliminate CO2

• Techniques to increase water usage

• Methods to enhance photosynthesis

• Ways to reduce sunlight

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