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Question
Which of the following is present in a rat and not in a frog?
Which of the following is present in a rat and not in a frog?
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Solution
The correct option is B Jejunum
The small intestine is a slender coiled tube, that receives partially digested food from the stomach and is present in both the frog and the rat. However, there are three sections of the small intestine in the rat as the duodenum, jejunum, and ileum. The jejunum is not present in the frog. The duodenum is the first part leading from the stomach and is mostly straight. The jejunum and ileum are both curly and ileum is the last section of small intestine. In the frog, duodenum and ileum are present and not jejunum. Both duodenum and ileum are useful in the absorption of nutrients from food.
So, the correct answer is option B.
The small intestine is a slender coiled tube, that receives partially digested food from the stomach and is present in both the frog and the rat. However, there are three sections of the small intestine in the rat as the duodenum, jejunum, and ileum. The jejunum is not present in the frog. The duodenum is the first part leading from the stomach and is mostly straight. The jejunum and ileum are both curly and ileum is the last section of small intestine. In the frog, duodenum and ileum are present and not jejunum. Both duodenum and ileum are useful in the absorption of nutrients from food.
So, the correct answer is option B.
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