The diagrams below show the stomach compartments of two ruminant farm animals - NSC Agricultural Sciences - Question 2 - 2022 - Paper 1
Question 2
The diagrams below show the stomach compartments of two ruminant farm animals.
DIAGRAM A
DIAGRAM B
2.1.1 Indicate the stage of development of the ruminant farm an... show full transcript
Worked Solution & Example Answer:The diagrams below show the stomach compartments of two ruminant farm animals - NSC Agricultural Sciences - Question 2 - 2022 - Paper 1
Step 1
Indicate the stage of development of the ruminant farm animal represented by DIAGRAM A.
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Answer
The stage of development represented by DIAGRAM A is that of a young ruminant farm animal.
Step 2
Give TWO reasons that are visible in the diagram above to support the answer to QUESTION 2.1.1.
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Answer
The presence of the oesophageal groove indicates that the young animal is still dependent on milk.
The underdeveloped fore-stomach (rumen/reticulum/omasum) suggests that the ruminant is in the earlier stages of development.
Step 3
Identify, in the diagrams above, the part where EACH of the following occurs (write only the letter):
(a) Feed is fermented
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Answer
(a) D
Step 4
(b) Channelling of milk into the abomasum
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Answer
(b) C
Step 5
Indicate ONE adaptation feature of part E that enables it to absorb water from food.
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Answer
Part E has folds or leaves that allow it to squeeze water out from the feed.
Step 6
Name the part in the alimentary canal of a fowl that corresponds with part F above in terms of functioning.
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Answer
The part in the alimentary canal of a fowl that corresponds with part F is the proventriculus or glandular stomach.
