NEET Biology question
Which of the following series of events is correct about the digestive system of frog? I. Prey → Mouth → Oesophagus → stomach → Small intestine → Cloaca II. Prey → Mastication by teeth → Stomach → Small intestine → Cloaca III. Tongue → Prey → Teeth → Stomach → Large intestine → Cloaca IV. Prey → Mouth → Teeth → Pharynx → Stomach → Small intestine → Rectum
Answer: (A)
Solution
Sequence I correctly traces the path of food: the prey is taken in through the mouth, passes down the oesophagus into the stomach, then the small intestine, and finally to the cloaca. Sequence II is wrong because frogs do not chew/masticate their food — their
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