Chapter 11: Life Activities in Some Lower Organisms Quiz
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Questions and Answers

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?

<p>Phagocytosis (C)</p> Signup and view all the answers

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

<p>Egested by exocytosis (A)</p> 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?

<p>Exocytosis (C)</p> Signup and view all the answers

In Amoeba, what is the method of feeding?

<p>Endocytosis (C)</p> Signup and view all the answers

How does Amoeba regulate its water content?

<p>By exocytosis (C)</p> Signup and view all the answers

What is the mode of nutrition in Amoeba?

<p>Holozoic (B)</p> Signup and view all the answers

Which process describes the egestion in Amoeba?

<p>Exocytosis (D)</p> Signup and view all the answers

What are the excretory products in Amoeba?

<p>$CO_2$, ammonia, and urea (C)</p> Signup and view all the answers

Why is osmoregulation important in Amoeba?

<p>To maintain osmotic balance and prevent bursting (A)</p> Signup and view all the answers

What is the habitat of Amoeba?

<p>Bottom of ditches and ponds (D)</p> Signup and view all the answers

What is the structure of Amoeba?

<p>Microscopic Unicellular (C)</p> Signup and view all the answers

Which structure in Amoeba is used for locomotion and feeding?

<p>Pseudopodium (C)</p> Signup and view all the answers

What is found in the food vacuole of Amoeba?

<p>Food particles (A)</p> Signup and view all the answers

What is the function of the contractile vacuole in Amoeba?

<p>Osmoregulation (A)</p> Signup and view all the answers

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

<p>Ectoplasm (C)</p> Signup and view all the answers

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