Agricultural Sciences P1 May-June 2025 Quiz 1

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Question 1 of 27

1. Question
The graph below shows the composition of a ration for farm animals.

Indicate the type of farm animal that CANNOT benefit from the ration presented in the graph above
- Non-ruminant / monogastric
- Ruminant / polygastric
- Adult dairy cow
- Growing sheep
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Question 2 of 27

2. Question
Use the stomach diagrams. Which diagram represents the stomach of an adult ruminant animal?
- Diagram A
- Diagram B
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Question 3 of 27

3. Question
Why is Diagram B the stomach of an adult ruminant? Select all the correct answers.
- It has a large rumen in relation to the abomasum
- It has a smaller abomasum in relation to the rumen
- It has a fully developed fore-stomach
- It has a very large oesophageal groove for milk bypass
- It shows the absence of the oesophageal groove
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Question 4 of 27

4. Question
What is the function of the oesophageal groove?
- It stores roughage for microbial fermentation
- It channels milk from the oesophagus to the abomasum
- It absorbs water from digested feed
- It grinds feed particles before digestion
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Question 5 of 27

5. Question
Which part of the stomach in Diagram B performs the same function as the proventriculus in poultry?
- Rumen
- Reticulum
- Omasum
- Abomasum
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Question 6 of 27

6. Question
Use the stomach-size table. Which heading is correct for the combined bar graph?
- Size of the reticulorumen and abomasum in sheep at different ages
- Size of the rumen in cattle at different ages
- Digestibility of feed in sheep at different ages
- Comparison of sheep body mass at different ages
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Question 7 of 27

7. Question
Use the stomach-size table. Which label belongs on the x-axis of the graph?
- Age
- Size
- Feed type
- Stomach part
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Question 8 of 27

8. Question
Use the stomach-size table. Which label belongs on the y-axis of the graph?
- Age
- Size
- Feeds
- Animal type
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Question 9 of 27

9. Question
Use the stomach-size table. What is the correct unit for the y-axis?
- kg
- cm
- months
- % of the total stomach
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Question 10 of 27

10. Question
Use the stomach-size table. Draw a combined bar graph to show the size of the reticulorumen and abomasum in sheep at different ages by using the data in the table above. Which graph type is correctly drawn from this data?
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Question 11 of 27

11. Question
Use the stomach-size table. Which pair of values should be plotted for an adult sheep?
- 30% reticulorumen and 60% abomasum
- 60% reticulorumen and 30% abomasum
- 80% reticulorumen and 20% abomasum
- 70% reticulorumen and 10% abomasum
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Question 12 of 27

12. Question
Use the ration graph. Which type of farm animal cannot benefit from the ration shown?
- Non-ruminant / monogastric
- Ruminant / polygastric
- Adult dairy cow
- Growing sheep
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Question 13 of 27

13. Question
Use the ration graph. Which TWO features explain why the ration is not suitable for the animal in Question 2.3.1? Select all the correct answers.
- The ration contains high quantities of roughage or hay, which cannot be digested by non-ruminants.
- The ration contains molasses, which prevents digestion in all farm animals.
- The ration contains urea, which cannot be digested by non-ruminants.
- The ration contains wheat meal, which is poisonous to non-ruminants.
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Question 14 of 27

14. Question
Use the ration graph. Which feed is the protein-rich roughage?
- Lucerne hay
- Soyabean oilcake meal
- Molasses
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Question 15 of 27

15. Question
Use the ration graph. Which feed is the carbohydrate-rich concentrate?
- Lucerne hay
- Soyabean oilcake meal
- Wheat meal
- Urea
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Question 16 of 27

16. Question
Calculate the dry matter content of the feed in kg if an animal ingested 25 kg
of a feed containing 15% moisture. Show ALL calculations.
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Question 17 of 27

17. Question
Using the Pearson square method, what is the ratio of oatmeal to fishmeal needed to obtain a ration containing 14% digestible protein?
- 12 : 4
- 14 : 2
- 10 : 6
- 8 : 8
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Question 18 of 27

18. Question
What percentage of the mixture is fishmeal?
- 10%
- 12.5%
- 14%
- 20%
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Question 19 of 27

19. Question
Use the nutrient table. Which feed is suitable for fattening lambs?
- Feed A
- Feed B
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Question 20 of 27

20. Question
Use the nutrient table. Which feed is suitable for lactating cows?
- Feed A
- Feed B
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Question 21 of 27

21. Question
Use the nutrient table. Why is Feed A suitable for lactating cows?
- It has the highest fat percentage
- It has a high digestible protein content of 17%
- It has the widest nutritive ratio
- It has the lowest carbohydrate percentage
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Question 22 of 27

22. Question
What is the nutritive ratio of Feed A?
- 1 : 2.5
- 1 : 3.0
- 1 : 3.9
- 1 : 9
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Question 23 of 27

23. Question
Use the feed-components schematic. What does A represent?
- Carbohydrates
- Minerals
- Proteins
- Vitamins
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Question 24 of 27

24. Question
Use the feed-components schematic. What does E represent?
- Fatty acids and glycerol
- Cellulose
- Maltose or glucose
- Minerals
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Question 25 of 27

25. Question
Use the feed-components schematic. Which enzyme is represented by C?
- Cellulase
- Amylase
- Lipase
- Protease
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Question 26 of 27

26. Question
Which of the following is another organic feed component besides those shown in the schematic?
- Vitamin
- Protein
- Minerals
- Water
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Question 27 of 27

27. Question
Which of the following is an inorganic feed component?
- Protein
- Vitamin
- Carbohydrate
- Minerals
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