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Life Processes and Photosynthesis Quiz

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Questions and Answers

What is the primary function of photosynthesis?

To absorb water from the soil

To convert carbon dioxide into oxygen

To convert sunlight into potential energy (correct)

To release energy from glucose

Which of the following is NOT a requirement for photosynthesis?

Carbon Dioxide

Sunlight

Oxygen (correct)

Water

What is the function of chlorophyll in photosynthesis?

Absorb water from the soil

Absorb radiant energy from the sun (correct)

Convert sunlight into oxygen

Store potential energy in sugars

Where do plants primarily absorb carbon dioxide from for photosynthesis?

From the atmosphere through stomata Signup and view all the answers

Which of the following life processes is NOT directly related to photosynthesis?

Movement Signup and view all the answers

What is the role of guard cells in plants?

Surround stomata and control their opening and closing Signup and view all the answers

What is the main product of photosynthesis?

Glucose Signup and view all the answers

What happens to the oxygen produced during photosynthesis?

It is released into the atmosphere Signup and view all the answers

Which pigment is responsible for the green color of plants?

Chlorophyll Signup and view all the answers

Where is chlorophyll specifically located within plant cells?

In the chloroplasts Signup and view all the answers

Study Notes

7 Life Processes

Living organisms perform 7 essential life processes: Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, and Nutrition.

Photosynthesis

Definition: Chemical reaction converting sunlight into potential energy, stored as sugars (glucose to starch), releasing oxygen.
Requirements:
- Water (H2O): Absorbed by plant roots from soil, a reactant in the chemical reaction.
- Carbon Dioxide (CO2): Absorbed by plants from the atmosphere, primarily through stomata (tiny pores) on leaf undersurfaces.
- Sunlight (Radiant Energy): Provided by the sun, converted into potential energy during photosynthesis.
- Chlorophyll: A green pigment in chloroplasts, absorbs radiant energy from the sun.

Stomata

Pores in leaves, mostly on the undersurface, surrounded by guard cells that change shape to open or close stomata.

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Description

Test your knowledge on the 7 life processes that all living organisms carry out, including photosynthesis which is the process of converting sunlight into energy and releasing oxygen. Learn about the water molecule and its composition.