Excretion Process Quiz

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Questions and Answers

What is the primary excretory system organ through which urine is expelled in mammals?

urethra

What are the primary excretory organs in vertebrates?

lungs, kidneys, skin

What are some waste products produced during cellular respiration in the body?

carbon dioxide, water, salts, urea, uric acid

How do unicellular organisms discharge waste products?

directly through the surface of the cell Signup and view all the answers

What are the respiratory products that green plants excrete?

carbon dioxide, water Signup and view all the answers

What is the difference between excretion and secretion?

Excretion is the elimination of metabolic waste from an organism, while secretion involves the release of substances that may have specific tasks after leaving the cell. Signup and view all the answers

Why is excretion considered an essential process in all forms of life?

Excretion is essential because the accumulation of metabolic waste beyond a certain level inside the body is harmful. Signup and view all the answers

What are some waste products produced during cellular respiration in the body?

Some waste products of cellular respiration include carbon dioxide, water, salts, urea, and uric acid. Signup and view all the answers

How do green plants excrete carbon dioxide and water as respiratory products?

Green plants excrete carbon dioxide and water as respiratory products through processes like transpiration and guttation. Signup and view all the answers