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Class 10
Solutions to CBSE Sample Paper - Science Class 10

Identify the option that indicates the correct enzyme that is secreted in location A, B and C.

Q12 - correct enzyme that is secreted - Teachoo.jpg

(A) (i)-lipase, (ii)-trypsin, (iii)-pepsin 

(B) (i)-amylase, (ii)-pepsin, (iii)-trypsin 

(C) (i)-trypsin, (ii)-amylase, (iii)-carboxylase 

(D) (i)-permease, (ii)-carboxylase, (iii)-oxidase

 

Answer - 

Let’s check all 3 - (i), (ii)  and (iii)

  1. For (i) -  Location of (i) has saliva .
    And saliva secretes an enzyme called amylase.
    It breaks down starches present in our food into sugars which are easier to digest.

  2. For (ii) - Location of (ii) is stomach .
    The digestion in the stomach is taken care of by the gastric glands present in the wall of the stomach. These release hydrochloric acid, a protein digesting enzyme called pepsin , and mucus.
     
  3. For (iii) - Location of (iii) is pancreas .
    The pancreas secretes pancreatic juice which contains enzymes like trypsin for digesting proteins and lipase for breaking down emulsified fats. 

Digestive system with enzymes-01.jpg

So, the correct answer is (b)

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