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Questions and Answers
What is the by-product generated during photosynthesis in green plants?
What is the by-product generated during photosynthesis in green plants?
- Urea
- Water
- Oxygen (correct)
- Carbon dioxide
Which organ is primarily responsible for excreting urine in mammals?
Which organ is primarily responsible for excreting urine in mammals?
- Liver
- Lungs
- Kidneys (correct)
- Skin
In unicellular organisms, how are waste products discharged?
In unicellular organisms, how are waste products discharged?
- Through the skin
- Through the lungs
- Through the kidneys
- Directly through the surface of the cell (correct)
What is the primary process carried out by the lungs in vertebrates?
What is the primary process carried out by the lungs in vertebrates?
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What is the harmful consequence of the accumulation of metabolic waste beyond a certain level inside the body?
What is the harmful consequence of the accumulation of metabolic waste beyond a certain level inside the body?
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