Various options are provided as possible answers to the following questions - NSC Agricultural Sciences - Question 1 - 2017 - Paper 1
Question 1
Various options are provided as possible answers to the following questions. Choose the answer and write only the letter (A–D) next to the question number (1.1.1–1.1... show full transcript
Worked Solution & Example Answer:Various options are provided as possible answers to the following questions - NSC Agricultural Sciences - Question 1 - 2017 - Paper 1
Step 1
1.1.1 ONE of the following is a function of protein in farm animals:
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Answer
The correct answer is C: Production of eggs. Proteins serve critical roles in the growth, maintenance, and reproduction of farm animals.
Step 2
1.1.2 Nutrients used by farm animals for the insulation of body heat:
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Answer
The correct answer is D: Lipids. Lipids are essential for energy storage and act as insulators for body heat.
Step 3
1.1.3 This combination is an example of the most important feeds in a production ration:
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Answer
The correct combination is A: (i), (ii) and (iii). This represents a variety of feedstuffs that provide essential nutrients.
Step 4
1.1.4 Essential amino acids …
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Answer
The correct answer is A: cannot be produced by ruminants. Essential amino acids must be obtained through the diet.
Step 5
1.1.5 Which ONE of the following statements is NOT correct with regard to increased production in an intensive unit?
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Answer
The correct answer is C: Providing feed with a low energy and biological value. This would not support increased production.
Step 6
1.1.6 Some of the signs below may indicate stress in farm animals:
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Answer
The correct combination is B: (i), (ii) and (iv). These signs typically represent stress conditions in animals.
Step 7
1.1.7 Which of the following are examples of contagious bacterial diseases?
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Answer
The correct answer is B: Anthrax and tuberculosis. Both are known to be contagious bacterial diseases affecting livestock.
Step 8
1.1.8 ONE of the following is NOT a nervous symptom caused by plant poisoning:
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Answer
The correct answer is D: Nasal discharge. The other symptoms are more commonly associated with nervous disorders due to plant poisoning.
Step 9
1.1.9 The scrotum encloses the primary male reproductive organ that …
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Answer
The correct answer is A: produces the spermatozoa and testosterone. This highlights the scrotum's role in male reproductive health.
Step 10
1.1.10 The synthesis of milk occurs in the … of the udder:
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Answer
The correct answer is C: alveoli. The alveoli are responsible for the production and secretion of milk.