NSC Agricultural Sciences Animal Nutrition: Various options are provided as

Question

Various options are provided as possible answers to the following questions. Choose the correct answer and write only the letter (A–D) next to the question numbers (1.1.1 to 1.1.10) in the ANSWER BOOK, e.g. 1.1.1 B.

1.1.1 The following is NOT a part of a pig stomach:
A. Fundus
B. Reticulum
C. Pylorus
D. Cardia

1.1.2 The structure of the alimentary canal of a young ruminant differs from that of an adult ruminant because the young ruminant ...
A. the rumen and abomasum are well developed.
B. the omasum is fully developed and the abomasum is underdeveloped.
C. only the rumen and reticulum are functional.
D. only oesophageal groove and abomasum are functional.

1.1.3 The mineral elements that are needed by farm animals in large quantities:
A. Potassium, iron and cobalt
B. Phosphorus, chlorine and copper
C. Calcium, magnesium and sulphur
D. None

1.1.4 The statements below refer to essential amino acids:
(I) They cannot be synthesized by non-ruminants.
(II) They are found in the protein of animal feeds.
(iii) Both plants and animals can synthesize essential amino acids.
(iv) They can be provided to animals through feed.

Choose the CORRECT combination:
A. (i), (ii) and (iii)
B. (i), (ii) and (iv)
C. (ii), (iii) and (iv)
D. (i), (ii) and (iv)

1.1.5 The rapid spread of infectious diseases over a very large area:
A. Acute
B. Pandemic
C. Sporadic
D. Endemic

1.1.6 Subsistence livestock farmers who cannot afford expensive modern technologies may use the following methods to control parasites:
(i) Burning the veld
(ii) Herbal remedies
(iii) Rotational grazing
(iv) Electric spray race

Choose the CORRECT combination:
A. (i), (ii) and (iii)
B. (i), (iii) and (iv)
C. (ii), (iii) and (iv)
D. (i), (ii) and (iv)

1.1.7 The following is a disadvantage of keeping pigs in a free-range system:
A. Lower feed costs on good pastures
B. Better isolation and disease control
C. May take more time for pigs to reach the marketing stage
D. Decreases waste management problems

1.1.8 The area in the diagram below that represents the distance within which a person can approach an animal before it moves away is ...
A. Area A.
B. Area B.
C. Area C.
D. Area D.

1.1.9 The scrotum regulates the temperature during spermatogenesis by ...

1.1.10 A condition where the foetus dies after the hard skeleton and skin have been formed without abortion and secondary infection:
A. Maceration
B. Dropsy
C. Mummification
D. Impotence

Various options are provided as possible answers to the following questions - NSC Agricultural Sciences - Question 1 - 2021 - Paper 1

Worked Solution & Example Answer:Various options are provided as possible answers to the following questions - NSC Agricultural Sciences - Question 1 - 2021 - Paper 1

1.1.1 The following is NOT a part of a pig stomach:

1.1.2 The structure of the alimentary canal of a young ruminant differs from that of an adult ruminant because the young ruminant ...

1.1.3 The mineral elements that are needed by farm animals in large quantities:

1.1.4 The statements below refer to essential amino acids:

1.1.5 The rapid spread of infectious diseases over a very large area:

1.1.6 Subsistence livestock farmers who cannot afford expensive modern technologies may use the following methods to control parasites:

1.1.7 The following is a disadvantage of keeping pigs in a free-range system:

1.1.8 The area in the diagram below that represents the distance within which a person can approach an animal before it moves away is ...

1.1.9 The scrotum regulates the temperature during spermatogenesis by ...

1.1.10 A condition where the foetus dies after the hard skeleton and skin have been formed without abortion and secondary infection:

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