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All posts from NSC Examination Agricultural Sciences Question Paper : Department of Basic

Organisation : Department of Basic Education
Exam : National Senior Certificate Examinations
Document Type : NSC Sample Question Paper
Subject : Agricultural Sciences
Category : Grade 12
Year : 2017
Website :
Download Sample Question Paper :
Memo 1
Paper 1
Paper 2
Memo 2

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Education NSC Agricultural Sciences Question Paper

Marks: 150
Time: 2 1/2 hours
** This question paper consists of 12 pages.

Related : Department of Basic Education NSC Examination Agricultural Management Practices Question Paper :

Instructions & Information

1. This question paper consists of TWO sections.
2. Answer ALL the questions in the ANSWER BOOK.
3. Read the questions carefully and answer only what is asked.
4. Number the answers correctly according to the numbering system used in this question paper.
5. You may use a non-programmable calculator.
6. Round off ALL calculations to TWO decimal places, unless stated otherwise.
7. Write neatly and legibly.

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Sample Question

Section A

1.1 Various options are provided as possible answers to the following questions. Write down the question number (1.1.1–1.1.10), choose the answer and make a cross (X) over the letter (A–D) of your choice in the ANSWER BOOK.

The compartment of the ruminant stomach that corresponds to the simple stomach of the pig:
A Abomasum
B Omasum
C Rumen
D Reticulum

1.1.2 Mechanical digestion of food in a fowl takes place in the …
A crop.
B proventriculus.
C ventriculus.
D cloaca.

1.1.3 … secrete(s) an alkaline secretion rich in mucus in the duodenum that protects it from the acidic chyme.
A Duodenal glands
B Brunner’s gland
C The parotid gland
D The gland of Lieberkühn

1.1.4 Bile is produced in the … and then stored in the gall bladder.
A bile ducts
B liver
C pancreas
D small intestine

1.1.5 The best description of external parasites on cattle:
(i) Live on the skin of cattle
(ii) Can damage the skin
(iii)Can produce toxins
(iv) Found in the liver
Choose the CORRECT combination:
A (i), (ii) and (iv)
B (i), (ii) and (iii)
C (ii), (iii) and (iv)
D (i), (iii) and (iv)

Indicate whether each of the descriptions in COLUMN B applies to A ONLY, B ONLY, BOTH A AND B or NONE of the items in COLUMN A. Write A only, B only, both A and B or none next to the question number (1.2.1–1.2.5) in the ANSWER BOOK, for example 1.2.6 B only.
1.2.1 A: High DP content – Concentrate feed suitable for growth, milk production and reproduction B: Low fibre content
1.2.2 A: NR of 1 : 6 – Feed ratio suitable for the fattening of farm animals B : NR of 1 : 10
1.2.3 A: Liver fluke and chicken lice – Examples of external parasites in broilers B: Blue ticks and wireworm
1.2.4 A: Subcutaneous Injecting animals between the layers of the skin B: Intradermal
1.2.5 A: Sodium citrate and penicillin Dilutants mixed with semen B: Egg yolk and water

1.3 Give ONE word/term for each of the following descriptions. Write only the word/term next to the question number (1.3.1–1.3.5) in the ANSWER BOOK.
1.3.1 The enzyme in the saliva of pigs responsible for the chemical change from starch to simple sugars
1.3.2 A farmer who produces on a large scale and is profit-orientated
1.3.3 The phenomenon where a superior cow is treated with hormones to produce many ova
1.3.4 A powerful contraction of the urethra that deposits semen into the vagina of the cow
1.3.5 The stage of mating where male and female animals are attracted to one another

1.4 Change the UNDERLINED WORD(S) in each of the following statements to make them TRUE. Write only the answer next to the question number (1.4.1–1.4.5) in the ANSWER BOOK.
1.4.1 Fundic muscles prevent food from the oesophagus from entering the stomach of a pig.
1.4.2 Free-range is a system where chickens are kept on the floor of a house until they stop laying eggs.
1.4.3 The gestation period in dairy cattle refers to the period between two lactations.
1.4.4 Dolly, the famous sheep, produced seven identical lambs through the process of genetic modification.
1.4.5 A spermatozoon is the end product of the process of oogenesis.

Section B

QUESTION 2: Animal Nutrition
Start this question on a NEW page.
2.1 The diagram below represents the alimentary canal of a farm animal.
2.1.1 Name the farm animal represented by the alimentary canal in the diagram above. (1)
2.1.2 Indicate the importance of parts A and C in the digestion of feed of the farm animal identified in QUESTION 2.1.1. (2)
2.1.3 Explain mechanical digestion as it occurs in the alimentary canal of the farm animal identified above. (2)

2.2 The diagram below shows the absorption of nutrients from the small intestines into the blood circulatory system.
2.2.1 Identify the types of nutrient transport in A and B. (2)
2.2.2 Give a reason for the answer to QUESTION 2.2.1. (2)
2.2.3 Identify structure C. (1)
2.2.4 Name the nutrient that is absorbed through each of the following:
(a) Blood capillaries(1)
(b) Lacteal

2.3 The graph below shows the feed components of a ration.
2.3.1 Identify ONE example of an energy-rich concentrate in the graph above. (1)
2.3.2 Identify the feed supplement that is mainly added to licks as a source of energy in the graph above. (1)
2.3.3 Comment, with a reason, on the suitability of urea as a supplement for pigs. (2)
2.3.4 Tabulate, using the rations in the graph above:
(a) A source of natural protein
(b) A source of NPN protein

QUESTION 3: Animal Production, Protection And Control
Explain how EACH of the following impacts on an extensive production system:
3.1.1 Natural resources (2)
3.1.2 Feeding (2)
3.1.3 Exploitative practices (2)

3.2 The pictures below indicate management practices applied to piglets.
3.2.1 Identify management practices A and B in the pictures above. (2)
3.2.2 Give a reason for management practice A and B. (2)
3.2.3 Refer to A and name the mineral that is usually given to piglets. (1)
3.2.4 Give TWO reasons to motivate the answer to QUESTION 3.2.3. (2)

QUESTION 4: Animal Reproduction
Start this question on a NEW page.
4.1 The diagram below shows the embryo and foetus development in farm animals.
4.1.1 Identify structures B, E and F. (3)
4.1.2 State the following about structure D:
(a) ONE function (1)
(b) ONE constituent (1)
(c) Place where it is found (1)
4.1.3 Indicate the time (in months) during which dairy farmers should be able to detect the presence of a foetus with a rectal pregnancy diagnosis test.

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