Photosynthesis Flashcards

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Questions and Answers

Plants use photosynthesis to make ____ for the plant

food

What do plants need in order to perform photosynthesis?

Plants need light, carbon dioxide, and water to perform photosynthesis.

How is the plant able to obtain each ingredient?

Through the roots, pores, or holes in the leaves.

Identify the plant cell organelle in which photosynthesis takes place.

Chloroplast Signup and view all the answers

What happens to the oxygen that is produced as a result of photosynthesis?

The plant does not need oxygen, so it is released into the air. Signup and view all the answers

Why is photosynthesis also important for people and animals?

Photosynthesis is important for people and animals because we need oxygen to breathe. Signup and view all the answers

Why do both plants and animals need glucose?

Both plants and animals need glucose because they make ATP energy, which is critical for cells to create themselves. Signup and view all the answers

What are the three reactants needed for photosynthesis?

The three reactants needed for photosynthesis are carbon dioxide, water, and light energy. Signup and view all the answers

What are the two products of photosynthesis?

The two products of photosynthesis are oxygen and glucose. Signup and view all the answers

What are pigments?

Pigments are colored compounds that capture light energy. Signup and view all the answers

What pigments do plants have that help them absorb light energy?

The pigment that plants have that helps them absorb is chlorophyll. Signup and view all the answers

Why are plants green?

Plants are green because chlorophyll is very good at absorbing blue or red lights/colors. Signup and view all the answers

Definition of photosynthesis:

Using light to make food. Signup and view all the answers

Definition of chloroplasts:

Green organelles inside plant cells that give plants their green color. Signup and view all the answers

Definition of pigments:

Colored chemical compounds that absorb light. Signup and view all the answers

Definition of chlorophyll:

The main pigment found in the chloroplasts of plants. Signup and view all the answers

Definition of stomata:

Small openings on the undersides of the leaves. Signup and view all the answers

Definition of autotroph:

An organism that makes its own food. Signup and view all the answers

Definition of heterotroph:

An organism that cannot make its own food. Signup and view all the answers

What is the difference between an autotroph and a heterotroph?

The difference between an autotroph and a heterotroph is that an autotroph can make its own food and a heterotroph cannot. Signup and view all the answers

Study Notes

Photosynthesis Overview

Photosynthesis enables plants to produce food, primarily in the form of glucose.
Essential ingredients for photosynthesis include light, carbon dioxide, and water.

Ingredients Acquisition

Plants absorb water through their roots.
Carbon dioxide enters through small openings called stomata on leaves.

Cellular Process

Photosynthesis occurs in chloroplasts, the specialized organelles in plant cells.
Chloroplasts contain chlorophyll, the pigment responsible for light absorption.

Byproducts of Photosynthesis

Oxygen, a byproduct of photosynthesis, is released into the atmosphere.
Glucose produced serves as an energy source for both plants and animals.

Importance of Photosynthesis

Oxygen produced during photosynthesis is essential for the respiration of humans and animals.
Glucose is crucial for ATP production, providing energy necessary for cellular functions.

Key Components

Reactants needed for photosynthesis: carbon dioxide, water, and light energy.
Main products of photosynthesis: oxygen and glucose.

Pigments and Their Role

Pigments are colored compounds that absorb specific wavelengths of light.
Chlorophyll, the main pigment in plants, absorbs blue and red light, giving plants their green appearance.

Definitions

Photosynthesis: Process of using light to synthesize food.
Chloroplasts: Green organelles in plant cells responsible for photosynthesis.
Stomata: Openings on the underside of leaves for gas exchange.
Autotroph: Organism capable of manufacturing its own food.
Heterotroph: Organism unable to synthesize its own food.

Distinction

Autotrophs create their own food, while heterotrophs rely on other organisms for nutrition.

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Description

Test your knowledge of photosynthesis with these engaging flashcards. Explore key concepts such as the ingredients required for the process and the organelle responsible for photosynthesis. Perfect for students learning about plant biology and photosynthesis concepts.