A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: B
Solution :
In frog, most of the absorption takes place in intestine. The intestine of frog is so formed, that it gives the greater surface area. The intestine is the longest part of the alimentary canal where the absorption of the digested food materials take place. To increase the absorptive surface of the intestine, the internal lining of the intestine forms transverse folds in the duodenum and longitudinal folds in the region of the ileum and rectum.
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