Chapter 11: Life Activities in Some Lower Organisms Quiz

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What is the respiratory structure in Amoeba?

Cell membrane (correct)

Mitochondria

Cell wall

Nucleus

How does oxygen move into the cytoplasm of Amoeba?

Active transport

Facilitated diffusion

Diffusion (correct)

Osmosis

What is the mode of nutrition of Amoeba?

Parasitic

Saprophytic

Heterotrophic (correct)

Autotrophic

How does Amoeba feed on bacteria and algae?

Phagocytosis Signup and view all the answers

What happens to undigested food in the food vacuole of Amoeba?

Egested by exocytosis Signup and view all the answers

What is the process called when the food vacuole in Amoeba moves to the surface, fuses with the cell membrane, and releases undigested food to the environment?

Exocytosis Signup and view all the answers

In Amoeba, what is the method of feeding?

Endocytosis Signup and view all the answers

How does Amoeba regulate its water content?

By exocytosis Signup and view all the answers

What is the mode of nutrition in Amoeba?

Holozoic Signup and view all the answers

Which process describes the egestion in Amoeba?

Exocytosis Signup and view all the answers

What are the excretory products in Amoeba?

$CO_2$, ammonia, and urea Signup and view all the answers

Why is osmoregulation important in Amoeba?

To maintain osmotic balance and prevent bursting Signup and view all the answers

What is the habitat of Amoeba?

Bottom of ditches and ponds Signup and view all the answers

What is the structure of Amoeba?

Microscopic Unicellular Signup and view all the answers

Which structure in Amoeba is used for locomotion and feeding?

Pseudopodium Signup and view all the answers

What is found in the food vacuole of Amoeba?

Food particles Signup and view all the answers

What is the function of the contractile vacuole in Amoeba?

Osmoregulation Signup and view all the answers

Which part of Amoeba is thin, clear, and called Plasmagel?

Ectoplasm Signup and view all the answers