Question
Download Solution PDFThe major excretory product in human beings is:
This question was previously asked in
CTET Sept 2015 Paper 2 Maths & Science (L - I/II: Hindi/English/Sanskrit)
Answer (Detailed Solution Below)
Option 1 : Urea
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CTET CT 1: TET CDP (Development)
10 Qs.
10 Marks
8 Mins
Detailed Solution
Download Solution PDFThe correct answer is Urea.
- When our cells perform their functions, certain waste products are released. These are toxic and hence need to be removed from the body.
- The process of removal of wastes produced in the cells of the living organisms is called excretion. The parts involved in excretion from the excretory system.
- Human excretory system: A mechanism to filter the blood is required and done by the blood capillaries in the kidneys. When the blood reaches the two kidneys, it contains both useful and harmful substances. The useful substances are absorbed back into the blood. The wastes dissolved in water are removed as urine.
- Aquatic animals like fishes, excrete cell waste as ammonia which directly dissolves in water.
- The major excretory product in humans is urea.
Important Points
- An adult human being normally passes about 1–1.8 L of urine in 24 hours. The urine consists of 95% water, 2.5% urea, and 2.5% other waste products.
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