The diagram below shows the alimentary canal of a farm animal - NSC Agricultural Sciences - Question 2 - 2016 - Paper 1
Question 2
The diagram below shows the alimentary canal of a farm animal.
1. Identify parts A, D and E.
2. Name TWO ways in which part C is adapted to perform its function.
3.... show full transcript
Worked Solution & Example Answer:The diagram below shows the alimentary canal of a farm animal - NSC Agricultural Sciences - Question 2 - 2016 - Paper 1
Step 1
Identify parts A, D and E.
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Answer
Part A is the Crop, which stores food before digestion. Part D is the Doudenum/small intestine, where most digestion occurs. Part E is the Pancreas, which produces digestive enzymes.
Step 2
Name TWO ways in which part C is adapted to perform its function.
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Answer
Part C, which is the Proventriculus (true stomach), is adapted to perform its functions due to: 1. The thick muscular walls that facilitate grinding of food, and 2. The presence of small stones that aid in the grinding process.
Step 3
Identify part B and estimate the pH of its contents.
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Answer
Part B is identified as the Proventriculus or true stomach, and the contents typically have a pH that is less than 3 (approximately pH 2), indicating a highly acidic environment necessary for digestion.
