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 function of protein in farm animals is primarily to support growth and repair of tissues, particularly through the production of eggs and milk, making option C, 'Production of eggs,' the correct choice.
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,' as they are essential for energy storage and insulation 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 C, '(ii), (iii) and (iv),' which includes a balanced mix of different feed sources.
Step 4
1.1.4 Essential amino acids …
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Answer
The statement that best describes essential amino acids is A: 'cannot be produced by ruminants,' as they must be supplied through 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 false statement is C, 'Providing feed with a low energy and biological value,' as high-quality feed is necessary for productivity.
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 A, '(i), (ii) and (iii),' indicating signs of stress.
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,' as both are well-known contagious bacterial diseases.
Step 8
1.1.8 ONE of the following is NOT a nervous symptom caused by plant poisoning:
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Answer
The symptom that is NOT caused by plant poisoning is D, 'Nasal discharge,' as it is not typically associated with nervous disorders from poisoning.
Step 9
1.1.9 The scrotum encloses the primary male reproductive organ that …
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Answer
The correct option is A, 'produces the spermatozoa and testosterone,' describing its primary function.
Step 10
1.1.10 The synthesis of milk occurs in the … of the udder.
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Answer
The answer is C, 'alveoli,' as milk is produced in the alveoli of the udder.
