Humans are:
Correct answer: B. Ureotelic
- A. Ammonotelic
- B. Ureotelic
- C. Uricotelic
- D. None of these
Explanation
Different ways of excreting 1 gram of nitrogen require different amounts of water so they are useful for different kinds of animals. So, humans are ureotelic.
This question appeared on the NUMS 2016 paper, which you can sit online with every answer explained.
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About Excretion
Excretion removes metabolic wastes such as carbon dioxide, urea and excess salts, and differs from egestion, which removes undigested food. Questions cover kidney structure, nephron ultrafiltration, selective reabsorption and urine formation, along with the excretory roles of the lungs, skin and liver in maintaining homeostasis.
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Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
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