Excretion and Osmoregulation Quiz

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Questions and Answers

What is the process by which excess amino acids are broken down?

  • Deamination (correct)
  • Denaturation
  • Decarboxylation
  • Dehydration

Which of the following is true about the elimination of metabolic waste products?

  • Metabolic wastes are excreted directly as absorbed nutrients.
  • Metabolic wastes enter the body cells before excretion.
  • Metabolic wastes cannot be eliminated from the body.
  • Metabolic wastes are primarily urea or uric acid before excretion. (correct)

Why do organisms differ in the type of metabolic wastes they produce?

  • As a result of the breakdown of lipids within the body cells.
  • Due to the presence of excess carbohydrates in the body cells.
  • Because of the effect of environment and evolution on their waste production. (correct)
  • Due to excessive water intake.

Which process involves the formation of less toxic forms from toxic ammonia for excretion?

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

What is the term for the elimination of metabolic waste products from the body?

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

What is the term for the sum total of all chemical processes occurring in the body of an organism?

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

Which of the following is NOT mentioned as a type of excretory waste product produced in the human body according to the text?

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

How are pigments formed due to the breakdown of haemoglobin eliminated from the body?

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

Which organs of the body are involved in the excretion of metabolic waste products according to the text?

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

What type of substances present in foodstuff like beetroot consumed by an organism are mentioned to be eliminated as waste products?

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

What is the process called when excess amino acids are broken down?

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

Why does urine appear deeply colored?

<p>Result of unabsorbed substances (D)</p> Signup and view all the answers

What is the term for the elimination of metabolic waste products from the body?

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

How do terrestrial turtles differ in their excretory products?

<p>Some excrete uric acid, others excrete urea or ammonia (D)</p> Signup and view all the answers

Do organisms store excess amino acids?

<p>No, they are unable to store excess amino acids (B)</p> Signup and view all the answers

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