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. Protein plays a crucial role in the growth and repair of tissues, and it is essential for the formation of eggs in 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 choice is D - Lipids. Lipids serve as an important energy reserve and play a key role in insulating body heat in animals.
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). These combinations represent the most effective feeds necessary for a balanced production ration.
Step 4
1.1.4 Essential amino acids ...
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Answer
The true statement is D - cannot be produced by pigs and fowls. Essential amino acids must be acquired through the diet, as they are not synthesized in adequate amounts by these animals.
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 statement that is NOT correct is C - Providing feed with a low energy and biological value. This would be counterproductive in an intensive production system.
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 D - (i), (ii) and (iv). These behaviors are known indicators of stress among farm animals, particularly drooping heads, slower movement, and pawing.
Step 7
1.1.7 Which of the following are examples of contagious bacterial diseases?
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Answer
The correct choices are B - Anthrax and tuberculosis. Both are dangerous 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. While stargazing, restlessness, and muscle contractions can occur due to plant poisoning, nasal discharge is not typically associated.
Step 9
1.1.9 The scrotum encloses the primary male reproductive organ that ...
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Answer
The correct response is A - produces the spermatozoa and testosterone. The scrotum's primary role is to house the testes, ensuring optimal temperature for sperm production.
Step 10
1.1.10 The synthesis of milk occurs in the ... of the udder:
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Answer
The synthesis occurs in the C - alveoli. Alveoli are responsible for the production of milk in the mammary glands.
