AGRICULTURAL SCIENCES
GRADE 12
PAPER 2 
NSC PAST PAPERS AND MEMOS
SEPTEMBER 2017

MEMORANDUM 

SECTION A 

QUESTION 1.1  QUESTION 1.2  
1.1.1 A √√ 
1.1.2 C √√
1.1.3 B √√ 
1.1.4 A √√ 
1.1.5 D √√ 
1.1.6 A √√ 
1.1.7 B √√ 
1.1.8 C √√ 
1.1.9 C √√ 
1.1.10 D √√ (10 x 2) (20) 
1.2.1 G √√  
1.2.2 D √√  
1.2.3 A √√  
1.2.4 J √√  
1.2.5 B √√ (5 x 2) (10)
QUESTION 1.3  QUESTION 1.4 

1.3.1 Selective breeding √√ 
1.3.2 Equilibrium price √√ 
1.3.3 Hedging √√ 
1.3.4 Labour contract/contract √√
1.3.5 Polyploidy √√ 

(5 x 2) (10) 

1.4.1 Sex linkage √ 
1.4.2 Outsourcing √ 
1.4.3 Net income/profit √
1.4.4 Green products √ 
1.4.5 Marketing chain √

(5 x 1) (5) 

TOTAL SECTION A: 45

SECTION B 
QUESTION 2: AGRICULTURAL MANAGEMENT AND MARKETING
2.1
2.1.1 Reasons why tomatoes are protected in boxes 

  •  For easy handling during distribution/transportation. √ 
  • For protection against mechanical damage. √ 
  • For easy storage and packaging. √ (Any 2 x 1) (2) 

2.1.2 Important packaging information that could attract tomato  buyers. 

  •  Produce name √
  • Brand of the produce √
  • Size √ 
  • Variety √ 
  • Net weight √
  • Count √ 
  •  Producer √ 
  • Shipper √
  • Country of origin √ (Any 2 x 1) (2) 

2.1.3 Reason why materials used for packaging vegetables must not  contain chemicals. 

  • Toxic chemicals can be transferred to the vegetables. √ 
  • Vegetables may contaminate/absorb chemical odour/unpleasant  smell. √ (Any 1 x 1) (1) 

2.2 2.2.1 The law of supply 

  • The higher the supply, the more goods will be supplied. √√ (2)

2.2.2 Functions of agricultural marketing factors affecting supply  

  • Price of the product – the higher the price, the more producers  will be willing to supply. √
  • Competitive products – if cheaper products enter the market, the  farmer may reduce production. √
  • Environmental conditions such as pest infestation can affect  supply. √ 
  • Political instability such as war. √
  • Expectation of future price changes. √
  • When the demand for the product declines, producers will switch  to produce other things. √ 
  • Technology – new technology may increase production. √
  • Production cost – the higher the cost of production, the less profit  will be made. √
  • If government subsidies production, supply is likely to increase. √  (Any 2 x 1) (2)

2.2.3 How the following factors affect the demand of a product. 

  1.  Advertisement
    • Advertisement can inform consumers of a new or improvement  in a product. √ This can increase the demand for that  product. √ (2)
  2. Quality of a product
    • Demand of a product will increase if the quality of the product  is good. √ If the quality is bad, the demand will  decrease/decline. √ (2) 

2.3 2.3.1
rosewood

  • Correct heading √
  • Correct plotting of values √ 
  • Labelling and units (Price in Rands) on Y-axis √
  • Labelling and units (Quantity of oranges) on X-axis √
  • Demand and supply curves √ (5)

2.3.2 Price at market equilibrium 

  • R30,00 √ (1)

2.3.3 Why demand for oranges is low at R50,00 

  • The price is very high / the higher the price, the lower the demand. √ (1)

2.4 2.4.1 Free marketing 

  • It is the marketing of products in an uncontrolled way. √√ (2) 

2.4.2 The main channels of free marketing 

  • Farm gate marketing √
  • Fresh produce markets
  • Stock sales √ 
  • Direct marketing √ 
  • Internet marketing √
  • Auction √ (Any 2 x 1) (2)

2.4.3 Disadvantages of free marketing. 

  • Price fluctuates considerably √
  • Market cost are high √ 
  • The producer is responsible for the marketing of the products √
  • The producer has limited bargaining power √
  • Producer decision may lead to big financial loss
  • Very often cartels are formed and the consumers are exploited √  (Any 2 x 1) (2) 

2.5 2.5.1 Marketing cost that could affect the price of the product 

  • Product preparation and packaging costs √
  • Handling cost √
  • Transport cost √ 
  • Product cost √ (Any 3 x 1) (3)

2.5.2 Factors that hamper the marketing of agricultural products 

  • Perishability nature of farm produce like meat √
  • Agricultural products have high volume with relative low unit  value √ 
  • Seasonal fluctuations in production √
  • Standardisation of size, taste and appearance vary √ 
  • Local restrictions of agricultural production √ 
  • Intermediaries required for the marketing of agricultural  products √
  • Long production time of certain crops such as wood √  (Any 2 x 1) (2)

2.5.3 Ways to streamline and improve the agri-business chain 

  • Improve the competiveness of commercial farmers √
  • Increase government control over inferior agricultural products  from overseas √ 
  • Improve transportation √ 
  • Promote farmer cooperatives √
  • Provide access to market information √
  • Improve access to storage facilities √
  • Improve training and skill development √ 
  • Improve local marketing infrastructure and local marketing  networks √ (Any 2 x 1) (2)

2.6 Possible problems that may arise when compiling agri-business  plan. 

  • Insufficient research √
  • Leaving gaps / being vague / providing too much information √ 
  • Insufficient technical detail √
  • Overambitious or unrealistic assumptions and projections √
  • Incomplete financials √
  • Not highlighting potential competition √ 
  • Hiding weakness and risks √
  • Using the incorrect format √ (Any 2 x 1) (2)

[35] 

QUESTION 3: PRODUCTION FACTORS  
3.1 3.1.1 Production factor that could be used as a collateral Land √ (1)
3.1.2 Justification 

  • The value of land appreciates with time √ 
  • Land ownership is easily transferable √
  • The value of land can be convertible √
  • Land can easily be sold at any time √ (Any 2 x 1) (2) 

3.1.3 Explanation of “the availability of land for agricultural  purposes is limited”. 

  • Land for cultivation/tillage/production or agricultural purposes  is restricted √ to specific areas. √
  • Land for agricultural purposes cannot be produced. √ 
  • It is fixed. √ (Any 2 x 1) (2)

3.1.4 Economic characteristics of land 

  • It is a primary factor of production √
  • It is indestructible √
  • It varies in production potential √
  • It can be bought and sold √ 
  • Its value appreciates √
  • It is a passive factor of production √ (Any 2 x 1) (2)

3.2 3.2.1 (3) 

Skilled labourer 

Semi-skilled labourer

Unskilled labourer

Veterinarian √ 

Unqualified  mechanic √

Apple picker √

3.2.2 Worker who could be in highest demand by a livestock  farmer 

  • Veterinarian √ (1)

3.2.3 Reason 

  • Skilled workers are scarce and demand for them is high. √
  • It takes a long time to train a veterinarian. √ 
  • Only the veterinarian is more useful to the livestock farmer. √  (Any 1 x 1) (1) 

3.2.4 Methods to improve the economic conditions of the apple  picker 

  • Provide him with incentives √
  • Pay higher salary √ 
  • Pay bonuses √
  • Entering into partnership deals with the worker √
  • Provide medical insurance √
  • Supply farm products such as milk √ (Any 2 x 1) (2)

3.2.5 The legislation that can best help the apple picker 

  • Basic Conditions of Employment Act/Skills Development Act √ (1)

3.3 3.3.1 The type of document in 3.3. 

  • Enterprise budget √ (1)

3.3.2 Justification of answer to QUESTION 3.3.1. 

  • The record is a plan or a record of the money spent on and  earned √ by only one enterprise (tomato). √ (2)

3.3.3 Two types of capital with examples 

  • Movable capital e.g. tractor √
  • Working capital e.g. fertiliser, tomato seedlings, insecticides  storage boxes √ (2)

3.3.4 Profit or loss of the farmer. 

  • Total income = 15 250,92 √
    Expenditure = 4 521,25 √
    Profit = R15 250,92 – R4 521,25 = R10 729,67 √ (3)

3.3.5 Sources of capital to the farm worker 

  • A commercial bank that supplies credit to the general public √ 
  • Financial institutions such as land bank or Ithala Development Finance Corporation Ltd √
  • A trust company √
  • A potential business partner √
  • Agricultural cooperatives and agribusinesses √ (Any 2 x 1) (2)

3.4 3.4.1 Definition of farm management 

  • Application of basic business principles and scientific principles of  agriculture √ to the farm business. √ (2) 

3.4.2 Components of strategic management 

  • Developing a vision √ 
  • Developing a mission √ 
  • Setting goals and objectives √ (3)

3.4.3 Explanation of conceptual skills 

  • Conceptual skills allow you to reflect on changes in the industry or  in farm circumstances √ and develop strategies to address  them. √ (2)

3.4.4 Socio-cultural forces that affect businesses 

  • Population demographics – age, gender and race  composition √ 
  • Education levels can affect the labour availability to the  farm √ 
  • Culture and religion and the values and lifestyle choices of  your customers √ 
  • Attitudes to environmental issues will affect demand for your  product √ 
  • HIV and Aids can affect your consumers available cash and  the availability of labour √ (Any 3 x 1) (3)

[35]

QUESTION 4: GENETICS 
4.1 4.1.1 Genotype in K 

  • SsQq √ (1)

4.1.2 Phenotype in L 

  • Black Short √ (1)

4.1.3 Ratio of white and long hair in the crosses 

  • 1 √ : 16 √ (2)

4.1.4 Percentage of black and short hair in the phenotype 

  • Total of the phenotypes = 9 + 3 + 3 + 1 √ = 16 √
    Black and short hair = 9
    Percentage of black and short hair = 9/16 x 100 √ 
                                                           = 56,25% or 56,3% √ (4)

4.2 4.2.1 Qualitative characteristics 

  • These are characteristics that can take only a few fixed forms. √ 
  • They are controlled by one pair of genes. √ (2) 

Quantitative characteristics 

  • Quantitative characteristics can take on a whole series of values  without clear boundary lines between the different classes. √
  • They  are usually determined by a number of genes. √ (2) (4) 

4.2.2

  1. Gender of a bull – qualitative characteristic √ (1)
  2. Body size of the bull – quantitative characteristic √ (1)

4.3 4.3.1 Limitations of traditional breeding 

  • It is not precise. √ 
  • Many unwanted traits can be transferred. √ 
  • Not suitable for the production of vaccines. √ 
  • Recombined genetic traits within species and between related  ones. √ 
  • It is time-consuming – takes several years. √ (Any 2 x 1) (2)

4.3.2 Current uses of genetically modified plants 

  • Improving the shell life of many fruiting plants. √
  • Improving the nutritional value of food. √
  • Improving resistance to diseases and pests. √ 
  • Improving resistance to weed killers. √
  • Improving resistance to viral disease.√ 
  • Increasing resistance of plants to negative environmental  influences such as drought. √ (2)

4.4

  1. Prepotency
    • The ability of a parent to pass its genetic characteristics √ on to its offspring. √ (2)
  2. Pedigree selection
    1. Pedigree selection focuses on the quality of the ancestors, √ rather than on the individual. √ (2)

4.5 4.5.1 The type of breeding that could take place on the farm.

  • Cross breeding √ (1)

4.5.2 Reason for answer in QUESTION 4.5.1. 

  • It involves the mating of two pure-bred animals √ of different  breeds. √ (2)

4.5.3 Characteristics of crossbred animals 

  • They produce heterosis/hybrid vigor √ 
  • The offspring are heterozygous √ 
  • It helps to improve characteristics that have low heritability √ 
  • Progeny is more resistant to diseases √ 
  • Offspring have more vitality √ 
  • Better adaptability to varying environmental conditions √  (Any 3 x 1) (3)

4.5.4 One genetic terminology for the offspring 

  • Progeny √ (1)

4.6 4.6.1 Calculation of milk yield 

  • aabbcc = 3 000 litres of milk
    B = 200 litres of milk √
    C = 200 litres of milk √
    AaBbcC = 3 000 + 200 + 200 
    = 3 400 √ litres of milk √ (4) 

4.7 4.7.1 Crossing over √√ (2)

[35] 
TOTAL SECTION B: 105 
GRAND TOTAL: 150

Last modified on Friday, 16 July 2021 11:30