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Amoeba Microscopic Organism Quiz

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Questions and Answers

What is the function of pseudopodia in Amoeba?

Respiration

Reproduction

Excreting waste

Movement and capturing food (correct)

Which organelle in Amoeba traps the food particles?

Ribosome

Mitochondria

Nucleus

Vacuole (correct)

What is the role of the cell membrane in Amoeba?

Produce energy

Regulate movement of substances (correct)

Facilitate cell division

Store genetic material

What happens to the food particles once engulfed by Amoeba's pseudopodia?

Transported to vacuoles Signup and view all the answers

What is the function of the nucleus in Amoeba?

Contains genetic material Signup and view all the answers

How does Amoeba move and capture food?

Amoeba moves and captures food by extending pseudopodia or false feet. Signup and view all the answers

What are the main components found in Amoeba's cytoplasm?

In Amoeba's cytoplasm, you can find a rounded dense nucleus and many small bubble-like vacuoles. Signup and view all the answers

How does Amoeba engulf food particles?

Amoeba engulfs food particles by pushing out pseudopodia around the food particle and engulfing it. Signup and view all the answers

Explain the feeding process of Amoeba when it detects food.

When Amoeba senses food, it extends pseudopodia around the food particle and engulfs it to form a food vacuole. Signup and view all the answers

What is the function of vacuoles in Amoeba?

Vacuoles in Amoeba play a role in storing and digesting food particles. Signup and view all the answers

Study Notes

Amoeba Structure and Function

Pseudopodia in Amoeba function as extensions that help capture food and move the organism.
The organelle responsible for trapping food particles is the food vacuole.

Cell Membrane

The cell membrane in Amoeba is semi-permeable, allowing selective passage of substances in and out of the cell.

Food Engulfment and Digestion

Once engulfed by Amoeba's pseudopodia, food particles are trapped in a food vacuole.
Within the food vacuole, digestive enzymes break down the food into smaller molecules.

Nucleus

The nucleus in Amoeba contains the genetic material and regulates cellular activities.

Locomotion and Feeding Mechanisms

Amoeba moves and captures food through the formation and retraction of pseudopodia.
The feeding process involves the detection of food, protrusion of pseudopodia, and engulfment of food particles.

Cytoplasm Composition

Amoeba's cytoplasm primarily consists of water, salts, sugars, and various organelles such as mitochondria, ribosomes, and lysosomes.

Vacuoles

Vacuoles in Amoeba function as storage units for nutrients, waste, and other substances.

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Description

Test your knowledge on the characteristics and behavior of amoebas, including their cell structure, movement using pseudopodia, and feeding habits. Learn more about this single-celled organism found in pond water.