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Photosynthesis Overview

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Questions and Answers

What is the primary function of photosynthesis in plants?

To absorb carbon dioxide and release glucose

To store energy for cellular respiration

To convert sunlight energy into food (correct)

To produce oxygen as a waste product

Which of the following compounds are necessary for photosynthesis to occur?

Chlorophyll and proteins

Sunlight, carbon dioxide, and water (correct)

Carbon dioxide and glucose

Oxygen and nitrogen

What is produced as a byproduct of photosynthesis?

Glucose

Carbon dioxide

Hydrogen

Oxygen (correct)

How do chloroplasts contribute to photosynthesis?

They are the site where photosynthesis takes place Signup and view all the answers

What role does chlorophyll play in photosynthesis?

It absorbs sunlight energy Signup and view all the answers

What is the chemical equation for photosynthesis?

6CO2 + 6H2O yields C6H12O6 + 6O2 Signup and view all the answers

Which statement describes the relationship between photosynthesis and cellular respiration?

Photosynthesis produces the reactants needed for cellular respiration Signup and view all the answers

Why do plants appear green?

Because they contain chlorophyll, which reflects green light Signup and view all the answers

What wavelength does chlorophyll primarily absorb from sunlight?

Red wavelengths Signup and view all the answers

Which of the following statements is true regarding chlorophyll's absorption of light?

Chlorophyll reflects green light. Signup and view all the answers

What happens to the electrons in chlorophyll when it absorbs light energy?

They jump to a higher energy level. Signup and view all the answers

What role do accessory pigments play in photosynthesis?

They expand the range of wavelengths that can be utilized. Signup and view all the answers

Which direction does the visible light spectrum go, in relation to wavelength?

From red to blue wavelengths Signup and view all the answers

What is the significance of photons in relation to chlorophyll?

They energize chlorophyll's electrons. Signup and view all the answers

What makes a pigment's color visible to our eyes?

The wavelengths it reflects Signup and view all the answers

Study Notes

Photosynthesis

Plants, bacteria and protists perform photosynthesis, a process that converts light energy into food
Photosynthesis uses carbon dioxide, water and sunlight to produce glucose and oxygen
The chemical equation for photosynthesis is 6CO2 + 6H2O → C6H12O6 + 6O2
Photosynthesis in plants occurs in chloroplasts which are organelles in the leaf cells
Chloroplasts are green because they contain chlorophyll, a pigment that absorbs light energy
Chlorophyll absorbs blue and red wavelengths of light and reflects green wavelengths
When chlorophyll absorbs light energy, electrons become excited and jump to a high energy level
The excited electrons are transferred from chlorophyll to a primary electron acceptor
Photosynthesis also uses accessory pigments that absorb other wavelengths of light and pass on the energy to chlorophyll

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Description

This quiz covers the essential concepts of photosynthesis, including its process, chemical equation, and the role of chlorophyll. Explore how plants, bacteria, and protists convert light energy into glucose and oxygen. Dive into the details of chloroplasts and accessory pigments that play a vital role in this biochemical process.