What may happen if water absorption does not occur in the large intestine?
Answer and explanation
Correct answer: More water will remain in faeces and diarrhoea may occur
The governing concept is water reabsorption in the large intestine. As undigested material passes through it, the large intestine normally removes part of the remaining water and helps form relatively solid faeces. If this absorption is greatly reduced, excess water stays in the faecal matter, making it loose or watery; prolonged loss can contribute to dehydration. Hence option A is correct. The other options concern oxygen production, heart anatomy and plant stomata, not intestinal water balance.
Frequently asked questions
What is the correct answer to this question?
More water will remain in faeces and diarrhoea may occur
Why is this the correct answer?
The governing concept is water reabsorption in the large intestine. As undigested material passes through it, the large intestine normally removes part of the remaining water and helps form relatively solid faeces. If this absorption is greatly reduced, excess water stays in the faecal matter, making it loose or watery; prolonged loss can contribute to dehydration. Hence option A is correct. The other options concern oxygen production, heart anatomy and plant stomata, not intestinal water balance.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Life Processes.
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