AGRICULTURAL SCIENCES PAPER 2
GRADE 12
NOVEMBER 2020
MEMORANDUM
NATIONAL SENIOR CERTIFICATE

SECTION A
QUESTION 1

1.1
1.1.1 D✓✓
1.1.2 B ✓✓
1.1.3 A ✓✓
1.1.4 C ✓✓
1.1.5 B✓✓
1.1.6 A✓✓
1.1.7 C ✓✓
1.1.8 A ✓✓
1.1.9 B ✓✓
1.1.10 B✓✓ (10 x 2)
(20)

1.2
1.2.1 C ✓✓
1.2.2 A ✓✓
1.2.3 B ✓✓
1.2.4 D✓✓
1.2.5 G ✓✓(5 x 2)
(10)

1.3
1.3.1 Market equilibrium✓✓
1.3.2 Casual/temporary ✓✓
1.3.3 Genetic modification/Genetic engineering/manipulation ✓✓
1.3.4 Species crossing ✓✓
1.3.5 Heritability ✓✓ (5 x 2)
(10)

1.4
1.4.1 Green/eco/sustainable agricultural marketing✓
1.4.2 Contract ✓
1.4.3 Family ✓
1.4.4 Estimated breeding value/EBV ✓
1.4.5 Prepotency ✓ (5 x 1)
(5)

TOTAL SECTION A: 45

SECTION B
QUESTION 2: AGRICULTURAL MANAGEMENT AND MARKETING

2.1 Functions of marketing
2.1.1 Identification of the marketing function
B - Transportation ✓(1)
C - Packaging ✓ (1)
2.1.2 TWO guidelines of packaging

  • Provide information about the product/identification ✓
  • Convenient for handling/containment✓
  • Biodegradable/recyclable ✓
  • Free from chemicals/foreign objects ✓
  • Protection against mechanical damage ✓ (Any 2) (2)

2.1.3 TWO advantages of processing

  • Increases the value of the product ✓
  • Overcome over-supply of the product ✓
  • Allows easier packaging and handling of product/easy to transport/convenience✓
  • Provide job opportunities ✓
  • Ensures the availability of product throughout the year ✓
  • Reduces spoilage/perishability/longer shelf life✓
  • Ensures food security✓
  • Improved food safety ✓
  • Makes the products more appealing to the consumer✓ (Any 2) (2)

2.2
2.2.1
4
Criteria/rubric/marking guideline

  • Correct heading ✓
  • X-axis: Correctly calibrated with label (Quantity demanded)✓
  • Y-axis: Correctly calibrated with label (Price per bag)✓
  • Line graph ✓
  • Correct units (R and kg) ✓
  • Accuracy ✓ (6)

2.2.2 Identification of the product reflecting law of demand
Product 1✓ (1)
2.2.3 Justification
The lower the price, the higher the demand ✓
OR
The higher the price, the lower the demand ✓ (Any 1) (1)
2.2.4 Indication of the form of elasticity
PRODUCT 1 - Price elasticity of demand ✓(1)
PRODUCT 2 - Price inelasticity of demand ✓(1)
2.2.5 Reason
PRODUCT 1 - Demand changed drastically with change in price ✓(1)
PRODUCT 2 - Demand remained high/constant despite the change in price ✓ (1)
2.3 Free market system
2.3.1 Advantage of a free marketing system to the consumer

  • Consumer can benefit from better quality products/ fresh produce✓
  • Consumer can bargain through negotiating price ✓
  • Consumer can buy wherever they want✓
  • Produce are cheaper as there is no intermediaries ✓(Any 1) (1)

2.3.2 TWO disadvantages of free marketing system for the producer

  • Greater price fluctuation✓
  • High market costs as marketing takes place on a small scale✓
  • Time is spent on marketing/producer responsible for marketing ✓
  • Limited bargaining power/the producer acts as an individual ✓
  • Smaller profit if the agent is not fully active✓
  • Greater financial loss if wrong decisions are made ✓
  • Highly competitive✓
  • Risk/theft✓ (Any 2) (2)

2.3.3 TWO free marketing channels

  • Farm gate marketing✓
  • Fresh produce markets✓
  • Stock sales/auction✓
  • Direct/contract marketing✓
  • Internet marketing✓ (Any 2) (2)

2.4 Marketing chain
2.4.1 Identification of the marketing chain
Supply/Agri-business chain ✓ (1)
2.4.2 Factor that may hamper the marketing at stage 

  • Spoilage/perishability/lack of storage facilities✓
  • Accidents/theft ✓ (Any 1) (1)

2.4.3 TWO ways to improve agri-business chain

  • Improving road infrastructure ✓
  • Improving access to market information✓
  • Providing storage facilities to prevent oversupply✓
  • Processing products close to where they are produced to reduce transportation costs ✓
  • Use of refrigerated transport to prevent spoilage/perishability ✓
  • Provision of access to finance ✓
  • Grading/standardisation✓
  • Collective marketing✓ (Any 2) (2)

2.5 Entrepreneurship
2.5.1 Personal characteristics of an entrepreneur

  1. Innovation ✓(1)
  2. Interpersonal skill ✓(1)
  3. Perseverance ✓(1)
  4. Risk taking ✓(1)

2.5.2 TWO phases of entrepreneurial process

  • Identification of the business opportunities✓
  • Evaluating the opportunity✓
  • Developing a business plan/planning✓
  • Resource mobilization✓
  • Starting and managing the business✓(Any 2) (2)

2.5.3 TWO problems of drawing up a business plan

  • Incomplete/incorrect financials details✓
  • Vague business plan ✓
  • Unrealistic assumptions/over ambitiousness ✓
  • Ignore risks/hiding weaknesses ✓
  • Not highlighting potential competitors/competition✓
  • Who and where are the suppliers✓
  • Leaving gaps/leaving out technical details✓
  • Using the incorrect format ✓
  • Insufficient research✓ (Any 2) (2)

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QUESTION 3: PRODUCTION FACTORS
3.1 Capital
3.1.1 Identification of the type of credit
Long-term credit✓(1)
3.1.2 Explanation of long-term credit

  • Used to buy fixed capital assets✓
  • Repayable over a period of 10 - 30 years✓
  • At a lower interest rate✓
  • Offered by the financial institutions/Land Bank✓(Any 2) (2)

3.1.3 Problems related to capital

  • Capital is scarce✓
  • Total amount due is high/capital is expensive✓
  • High risk factor✓ (Any 2) (2)

3.1.4 TWO other ways of creating capital

  • Savings ✓
  • Production/sales ✓
  • Grants ✓
  • Inheritance ✓
  • Gifts/donation/lottery ✓
  • Potential investors/business partners ✓ (Any 2) (2)

3.2 Management
3.2.1 Definition of management
The effective combination/coordination of resources ✓ to achieve a specific goal/maximise profit ✓ (2)
3.2.2 THREE main components of management

  • Set goals✓
  • Planning ✓
  • Organising/coordination/implementation ✓
  • Directing/leading✓
  • Control/monitoring/supervision ✓
  • Decision making✓
  • Communication✓ (Any 3) (3)

3.3 External forces that effect a business
3.3.1 Economic forces ✓ (1)
3.3.2 Legal forces ✓ (1)
3.3.3 Socio-cultural forces ✓ (1)
3.3.4 Environmental forces ✓ (1)
3.3.5 Technological forces ✓ (1)
3.4 Labour legislation
3.4.1 THREE aspects in the contract of a farm worker

  • Details of the employee✓
  • Leave ✓
  • Working hours ✓
  • Working on Sundays/public holidays ✓
  • Daily and weekly rest periods/meal intervals ✓
  • Deductions ✓
  • Wages/pay slip/method of payment/allowance ✓
  • Overtime ✓
  • Termination of employment✓
  • Job description✓(Any 3) (3)

3.4.2 Indication of the legislations

  1. Occupational Health and Safety Act (Act 85 of 1993) ✓(1)
  2. Labour Relations Act (Act 66 of 1995) ✓(1)

3.5 Land
3.5.1 Indication of an economic characteristic of land represented
Land cannot be destroyed/indestructibility ✓ (1)
3.5.2 Other THREE economic characteristic of land

  • Land is subject to the law of diminishing returns ✓
  • Land is durable ✓
  • Land can be bought/sold/has value✓
  • Good agricultural land is limited ✓
  • Land is found in a specific environment ✓
  • Available agricultural land is limited/availability✓
  • Differences with regard to production potential/restrictedness✓
  • The value of land appreciates over time✓
  • It is a passive factor of production ✓
  • It is a primary factor of production✓ (Any 3)(3)

3.5.3 TWO methods to improve land productivity

  • Water supply/provision ✓
  • Farming land more efficiently/ consolidation of uneconomic farm units✓
  • Improving soil fertility/restoring land potential ✓
  • Changing cropping practices and farming systems
  • Use of scientific farming methods✓ (Any 2) (2)

3.6 Budget
3.6.1 Identification of

  1. Fixed costs - Insurance ✓(1)
  2. Variable costs - Feed/sawdust/electricity/water/vaccines/ broilers/wages ✓(Any 1) (1)

3.6.2 Calculation of a profit/loss
Profit/loss = Total Income – Total Expenditure✓
= R83 450 – R56 400✓
= R27 050✓
OR
= R83 450✓ – R56 400✓
= R27 050 ✓ (3)
3.6.3 TWO types of budget

  • Whole farm budget ✓
  • Enterprise budget ✓
  • Partial budget✓ (Any 2) (2)

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QUESTION 4: BASIC AGRICULTURAL GENETICS
4.1 Monohybrid crossing
4.1.1 Determination of the female genotype
bb ✓ (1)
4.1.2 Punnet square
5
MARKING CRITERIA

  • Correct male gametes ✓
  • Correct offspring ✓
  • Punnet square with gametes and offspring✓
  • All the offspring are black ✓(4)

4.1.3 Identification of the type of dominance
Complete dominance ✓ (1)
4.1.4 Reason
Black colour is dominant over white colour/white colour is recessive to black colour/one allele masks/over shadows the other ✓ (1)
4.2 Dihybrid crossing
4.2.1 Identification of the type of crossing
Dihybrid crossing ✓ (1)
4.2.2 REASON
This crossing involves two different characteristics/ colour and shape ✓ (1)
4.2.3 ONE of the offspring which is different from that of parents

  • BBRr ✓
  • BBRR✓
  • BbRR ✓ (Any 1) (1)

4.3 Pedigree diagram
4.3.1 Indication of homozygous or heterozygous
Homozygous ✓ (1)
4.3.2 Reason to motivate for homozygous
Similar alleles ✓ (1)
4.3.3 Determination of

  1. F2 phenotype: 1 red : 2 pink : 1 white ✓(1)
  2. Percentage of red offspring - 25%✓ (1)

4.4 Variation
4.4.1 Indication of the genetic phenomenon
Variation ✓ (1)
4.4.2 Definition of the genetic phenomenon

  • The difference that occurs amongst individuals ✓ of the same species ✓
  • Difference in the genotype and phenotype✓ of the same species ✓ (Any 1) (2)

4.4.3 THREE environmental factors

  • Soil factors✓
  • Temperature ✓
  • Light intensity ✓
  • Diseases and pests ✓
  • Moisture/water content ✓
  • Topography ✓
  • Nutrition✓ (Any 3) (3)

4.4.4 Scientific term for the improvement
Heterosis/hybrid vigour ✓(1)
4.4.5 The type of breeding system
Cross breeding✓ (1)
4.5 Polygenic inheritance
4.5.1 Definition of polygenic inheritance
Characteristic that is determined ✓by many different genes  (2)
4.5.2 Determination of the height of an AABB
30 cm + 10 cm + 10 cm + 10 cm + 10 cm ✓
= 70 cm (2)
4.5.3 THREE different genotypes of a 50 cm tomato plant

  • AAbb ✓
  • aaBB ✓
  • AaBb ✓ (3)

4.6 Genetic modification
4.6.1 TWO techniques that can be used to modify plants

  • Agro-bacterium tumefaciens/bacterial carriers✓
  • Viral carriers ✓
  • Biolistic ✓
  • Calcium phosphate precipitation ✓
  • Electroporation✓
  • Gene slicing ✓
  • Gene silencing ✓
  • Lipofection✓
  • Micro-injection✓
  • Chemicalporation ✓ (Any 2) (2)

4.6.2 TWO advantages of GM crops

  • Improving the shelf life of produce ✓
  • Improving the nutritional value of food✓
  • More resistance to insects/pests/diseases ✓
  • Resistance to weed killers✓
  • More resistance to adverse environmental influences/factors ✓
  • Increased yield ✓ (Any 2) (2)

4.6.3 TWO disadvantages of GM crops

  • Health risks ✓
  • Environmental risks ✓
  • Personal/ethical/socio-cultural concerns ✓
  • Reduced biodiversity ✓
  • Socio-economic risks/expensive to emerging farmers ✓ Any 2) (2)

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

Last modified on Friday, 25 March 2022 08:43