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ICSE Class 10 Biology Question 6 of 21

Multiple-Choice Questions — Question 6

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Question 6

In cholera, patients suffer from vomiting and watery bowels. They may die due to the:

  1. poisoning by the accumulation of high quantities of urea in the body.
  2. ability of the intestines to absorb water into the blood.
  3. excretion of almost all the water by the kidneys.
  4. the failure of the kidneys.
Answer

poisoning by the accumulation of high quantities of urea in the body.

Reason — Due to vomiting and watery bowels, the intestine are unable to absorb water into the blood. Therefore, to maintain the osmotic pressure of blood kidneys reabsorb almost all the water along with urea. This further causes poisoning by the accumulation of high quantities of urea in the body.