QCAA Agricultural Science Agricultural enterprises B

12 sample questions with marking guides and sample answers

Q6
2025
QCAA
Paper 2
4 marks
Q6
4 marks

Use an example of a value-added product and its original raw plant product to describe two benefits of value-adding to the selected agricultural plant product.

Reveal Answer

An example of a value-added product is canned pineapple, which is made from the raw material, pineapple. Benefits of canning pineapple include extending the shelf life of the pineapple through packaging and being more profitable.

Marking Criteria
DescriptorMarks

identifies a value-added plant product

1

identifies the raw product from which the value-added product is derived

1

identifies one benefit of value adding

1

identifies a second benefit of value adding

1
Q25
2022
QCAA
Paper 1
3 marks
Q25
3 marks

Identify two features of an online auction in the context of an agricultural industry.

Reveal Answer

Online auctions occur in the beef cattle industry.
A feature of an online auction in the beef cattle industry is that products are sold by description only.
A second feature of an online auction in the beef cattle industry is that the buyer is responsible for the collection of their purchase.

Marking Criteria
DescriptorMarks

Identifies a relevant industry

1

Identifies one feature of the online auction process for that industry

1

Identifies a second feature of the online auction process for that industry

1
Q21
2020
QCAA
Paper 1
4 marks
Q21
4 marks

Use an example to explain the process that an agricultural plant product undergoes between harvest and sale to the consumer.

Reveal Answer

An agricultural plant product that undergoes post-harvest processing is bananas.

At the beginning of the process, bunches of bananas are removed from bags and broken down into hands, which are packaged in boxes. In the next step, ethylene and cold storage are used to ripen the bananas. Finally, the bananas are transported from the markets to the stores for sale.

Marking Criteria
DescriptorMarks

Identifies an agricultural plant product that undergoes post-harvest processing

1

Identifies relevant processes

1

Describes features of the relevant processes

2
Q14
2023
QCAA
Paper 1
1 mark
Q14
1 mark

Australian agricultural products are often referred to as ‘clean and green’ because

A

produce is grown through conventional methods and sold directly to consumers.

B

sustainable methods are used to produce food with quality assurance programs.

C

the food produced is considered safe and farming systems maintain soil health.

D

there is limited use of chemicals and genetic breeding is used to control pests.

Reveal Answer
A

produce is grown through conventional methods and sold directly to consumers.

Selling directly to consumers describes a distribution method, not the production quality or environmental impact implied by the 'clean and green' label.

B

sustainable methods are used to produce food with quality assurance programs.

While quality assurance and sustainability are relevant, this option is less precise than Option C, which explicitly links the terms to food safety and environmental health.

C

the food produced is considered safe and farming systems maintain soil health.

Correct Answer

This accurately defines the terms: 'clean' refers to food safety (free from pests, diseases, and contaminants) and 'green' refers to sustainable practices that maintain environmental assets like soil health.

D

there is limited use of chemicals and genetic breeding is used to control pests.

While limited chemical use is relevant, genetic breeding is not the defining characteristic of the 'clean and green' image, which focuses more broadly on environmental stewardship and product purity.

Q11
2020
QCAA
Paper 1
1 mark
Q11
1 mark

The supply of an agricultural product is most directly affected by the

A

amount of household disposable income.

B

number of people wanting the product.

C

market price offered for a product.

D

price of alternative products.

Reveal Answer
A

amount of household disposable income.

Household disposable income is a determinant of demand, not supply; it affects consumers' ability to purchase goods rather than producers' ability to create them.

B

number of people wanting the product.

The number of people wanting a product influences market demand, whereas supply is determined by factors affecting production.

C

market price offered for a product.

Correct Answer

According to the Law of Supply, the market price is the most direct signal to producers; higher prices incentivize farmers to increase the quantity supplied to maximize profit.

D

price of alternative products.

While the price of alternative products (substitutes in production) can shift the supply curve, the product's own market price is the primary factor determining the specific quantity producers are willing to offer.

Q7
2025
QCAA
Paper 1
1 mark
Q7
1 mark

The use of quality assurance programs in agriculture supports

A

a premium price paid to producers.

B

a competitive advantage for farmers over other producers.

C

the uniformity of agricultural produce to meet minimum market standards.

D

the enforcement of animal welfare practices to meet environmental standards.

Reveal Answer
A

a premium price paid to producers.

While quality assurance can sometimes lead to better prices, its primary purpose is to ensure consistent quality and safety, not to guarantee premium prices for producers.

B

a competitive advantage for farmers over other producers.

Quality assurance programs are often industry-wide requirements or baseline expectations rather than tools designed to give individual farmers a competitive advantage.

C

the uniformity of agricultural produce to meet minimum market standards.

Correct Answer

Quality assurance programs are specifically designed to ensure that agricultural products consistently meet specific minimum standards for quality, safety, and uniformity in the market.

D

the enforcement of animal welfare practices to meet environmental standards.

Animal welfare and environmental standards are distinct areas. While quality assurance programs may include aspects of both, their main focus is on product quality and safety rather than enforcing environmental standards through animal welfare.

Q8
2022
QCAA
Paper 1
1 mark
Q8
1 mark

An increase in the price of red meat in Queensland domestic markets will occur after

A

a 12-month period of continuous negative southern oscillation values.

B

an increase in customer demand for alternative vegan products.

C

a decrease in the quota allowed for live export of cattle.

D

above average rainfall totals across production areas.

Reveal Answer
A

a 12-month period of continuous negative southern oscillation values.

Correct Answer

Continuous negative Southern Oscillation Index (SOI) values indicate El Niño conditions, which typically cause drought in Queensland. Drought reduces pasture availability and herd sizes, leading to a shortage in supply and a subsequent increase in red meat prices.

B

an increase in customer demand for alternative vegan products.

An increase in demand for substitute goods, such as vegan products, would likely decrease the demand for red meat. A decrease in demand typically leads to a fall in price.

C

a decrease in the quota allowed for live export of cattle.

Decreasing the live export quota would result in more cattle remaining in the domestic market. This increase in domestic supply would typically put downward pressure on prices.

D

above average rainfall totals across production areas.

Above-average rainfall generally improves pasture growth and production conditions. While farmers might hold back stock to rebuild herds (restocking), good conditions generally support supply, whereas the scarcity caused by drought (Option A) is a more direct cause of high prices due to lack of resources.

Q16
2021
QCAA
Paper 1
1 mark
Q16
1 mark

A demand factor that could increase the price of coffee beans grown in northern Queensland is the

A

arrival of coffee berry disease in Australia.

B

implementation of a foreign trade agreement.

C

implementation of water quotas in irrigation areas.

D

destruction of plantations due to extreme weather events.

Reveal Answer
A

arrival of coffee berry disease in Australia.

This is a supply factor, not a demand factor. Disease reduces the quantity of beans produced (supply), which might raise prices, but does not originate from consumer demand.

B

implementation of a foreign trade agreement.

Correct Answer

A trade agreement can open up new export markets, increasing the overall demand for the coffee beans and shifting the demand curve to the right, which drives up prices.

C

implementation of water quotas in irrigation areas.

Water quotas restrict the inputs available for farming, acting as a supply constraint rather than a factor influencing consumer demand.

D

destruction of plantations due to extreme weather events.

The destruction of plantations reduces the available supply of coffee beans; while this increases price, it is a supply-side shock, not a demand factor.

Q2
2024
QCAA
Paper 1
1 mark
Q2
1 mark

The table shows the export of Australian beef products to China from 2015 to 2018.

 Export (tonnes)  
 201520162017
Grain-fed chilled beef10 39118 67420 210
Grain-fed frozen beef22 91033 41245 678
Grass-fed chilled beef459855684320
Grass-fed frozen beef55 63256 45270 563

What may have caused the change in grain-fed beef exports between 2017 and 2018?

A

increasing competition from grain-fed beef exports from the United States

B

flooding of the Chinese market with grass-fed beef from Chile

C

decreasing volume of grain-fed beef imported from Argentina

D

ceasing the China–Australia Free Trade Agreement in 2017

Reveal Answer
A

increasing competition from grain-fed beef exports from the United States

Correct Answer

The table shows a significant decrease in Australian grain-fed beef exports between 2017 and 2018. Increased competition from the United States, a major producer of grain-fed beef, would reduce demand for Australian products in that specific category.

B

flooding of the Chinese market with grass-fed beef from Chile

This option refers to grass-fed beef competition. However, the table shows that Australian grass-fed frozen beef exports actually increased, suggesting this segment was not negatively impacted by such competition.

C

decreasing volume of grain-fed beef imported from Argentina

If imports from a competitor like Argentina decreased, demand for Australian beef would typically increase to fill the shortage. This contradicts the data, which shows a decrease in Australian grain-fed exports.

D

ceasing the China–Australia Free Trade Agreement in 2017

The China–Australia Free Trade Agreement (ChAFTA) did not cease in 2017. Furthermore, the termination of a trade agreement would likely negatively impact all beef categories, yet grass-fed exports increased.

Q16
2024
QCAA
Paper 1
5 marks
Q16
5 marks

Explain the processing stages from the farm gate to the consumer for a chosen agricultural plant product. Describe a marketing strategy for the product and a value-adding process that increases the profit for the involved processors and/or producers.

Reveal Answer

Lettuce is produced in the Lockyer Valley, harvested and then transported to a processing plant. At the processing plant, lettuce is washed and chopped, then placed into food safe plastic bags. This allows the lettuce to be sold at a higher price per kilogram (i.e. value adding).

The marketing of this product can involve direct sale to retail outlets. For example, bags of lettuce from a processing plant can be transported directly to takeaway chains.

Marking Criteria
DescriptorMarks

Identifies a plant product

1

Describes the post-harvest process of transport to a packhouse/storage facility

1

Explains the post-harvest process of handling, packaging or grading

1

Describes one marketing strategy

1

Describes how value is added to the product

1
Q26
2020
QCAA
Paper 1
4 marks
Q26a
1 mark

What is a tariff?

Reveal Answer

A tariff is a tax or duty that businesses pay on the goods they import.

Marking Criteria
DescriptorMarks

Describes a tariff

1
Q26b
1 mark

What is a free trade agreement?

Reveal Answer

A free trade agreement is an international treaty between two or more economies that reduces or eliminates certain barriers to trade, such as tariffs.

Marking Criteria
DescriptorMarks

Describes a free trade agreement

1
Q26c
1 mark

Explain why the European Union (EU) currently has a tariff on Australian lamb and beef.

Reveal Answer

The European Union (EU) has a high tariff on imported lamb and beef to protect the local sales of EU-grown lamb and beef.

Marking Criteria
DescriptorMarks

Explains the EU tariff

1
Q26d
1 mark

Explain the impact that a tariff as high as 50% has on the sale of Australian goods in the EU.

Reveal Answer

The tariff makes Australian-produced lamb and beef more expensive in the EU and, therefore, reduces sales.

Marking Criteria
DescriptorMarks

Explains the impact of the EU tariff

1
Q6
2021
QCAA
Paper 2
7 marks
Q6

The table contains information about the market share (% volume) and value for different egg production systems in the 2018 financial year.

SystemMarket volume (%)Market value (%)Eggs produced (×\times 1000)Change in market volume from 2017 (%)
Cage eggs43.9930.68101 038–6.90
Free-range eggs45.3856.36104 21113.80
Barn-laid eggs9.129.4520 9443.70
Specialty eggs1.513.513 46615.20
Q6a
3 marks

Determine which egg production system would have the highest value per egg in the marketplace. Justify your answer using two pieces of evidence.

Reveal Answer

Specialty eggs have a much higher unit price per egg in the market compared to other egg production systems. Both barn-laid (20 944 × 1000, 9.45%) and specialty (3465 × 1000, 3.51%) egg production systems produced smaller quantities of eggs, and both represent a smaller percentage of the market value. However, the ratio of number of eggs to a single % of the total market value is lower for specialty eggs compared to all other systems. Therefore, the most expensive eggs are specialty eggs.

Marking Criteria
DescriptorMarks

Determines the egg production system with the highest unit price

1

Provides a piece of evidence

1

Provides a second piece of evidence

1
Q6b
4 marks

Infer reasons for two trends in the change of egg production systems.

Reveal Answer

Free-range and specialty eggs’ market shares have increased by approximately 14% and 15% respectively. Barn-laid eggs’ market share has increased by 3%. There has been a decline of close to 7% in cage egg sales.
Free-range eggs have significantly increased their market share due to consumer trends that have demanded better conditions for hens. Although sales of cage eggs have decreased a little, they have held their place in the market because they are a cheaper product.

Marking Criteria
DescriptorMarks

Identifies a trend

1

Explains the first trend

1

Identifies a second trend

1

Explains the second trend

1

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