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Question

The saliva secreted by salivary glands not  


A
Contain electrolytes like Na+,K+,CI and 3HCO+3
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B
Give safely against dental carries
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C
Bring about hydrolysis of starch upto 90%
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D
Initiate the process of digestion
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Solution

The correct option is B Give safely against dental carries
  • Saliva secreted by salivary glands doesn't give safety against dental caries.
  • Dental carries take place due to deposition of food particles on teeth and subsequent bacterial decay.
  • So, the correct option is 'Give safely against dental carries'.

Biology

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