E.coli is the microflora of the human body which synthesizes vitamin B and K in the intestine. They live upon the undigested food passing through the caecum and help in better absorption of food and prevent the growth of pathogenic bacteria in the intestine. These vitamins, except B12, are water-soluble and cannot be stored in the body for a long time, making E.coli more important.
So, the correct answer is option D.
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Similar Questions
Q1
Assertion :Caecum is a small blind sac which hosts some symbiotic microorganisms. Reason: Escherichia coli in return produces vitamin B12 vitamin K, thiamine and riboflavin.
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Q2
Name the vitamin which is synthesized by the bacteria present in the human intestine.
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Q3
Regarding the assertion and reason; choose the correct option.
Assertion [A]: Caecum is a blind sac that contains symbiotic micro organisms.
Reason [R]: E. coli produces vitamin B12, vitamin K, vitamin B1, and vitamin B2.
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Q4
Which bacterium in human intestine produces large quantities of vitamin K and B?
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Q5
.......... vitamins synthesized by bacteria present in the intestine.