What is the purpose of whole farm planning?

To ensure the long-term sustainability of the farm

A legume has lumps on its roots. What's the effect of these lumps on the growth of the plant?

Increased growth due to an increase in available nutrients

What is the meaning of the term withholding period?

The period between chemical treatment and harvesting

Which combination of farming practices is most likely to decrease water quality in waterways?

Fertiliser usage, cultivation, stock access

Which of the following is a disadvantage of the ruminant digestive system?

Loss of energy due to methane production

What does the term heritability mean in relation to genetic improvement?

The portion of a trait determined by genes

Which of the following is an advantage of establishing a mixed species pasture?

It extends the growing season of a pasture

What does net assimilation rate (NAR) measure?

Dry matter production of a plant / unit area of leaf matter

A soil test determined that the pH of a soil was 4. What does this pH level indicate?

Plants could access a more nutrients if the pH was raised.

Heterosis or hybrid vigour is observed when

Progeny from a crossbreeding program outperform parents

Which is NOT an example of overcoming an environmental constraint in plant production?

Applying hormones to plant cuttings to promote root growth

What is the most likely consequence for animals exposed to sustained high temperatures?

Reduced fertility in male animals

Which best describes the purpose of animal welfare legislation in animal production systems?

To promote the wellbeing of animals & prevent animal cruelty

What is meant by the term flushing when used with reference to animal production?

Increasing nutrition prior to mating

A government charge on the amount of irrigation water used will have an effect on

the production of plants and animals

studbud

Yr 11 Ag No. 2 25/6/20

80 termsStudBud Administration11 plays

HSC Agriculture Multiple Choice (2): A multiple choice style quiz to help prepare for #NSW#HSC#Agriculture HSC Agriculture Multiple Choice (3): a multiple choice style quiz to help prepare for #NSW#HSC#Agriculture

Flashcards80 cardsFPractice quizPHost liveL

Questions 80

Answers

1
What does this table represent?
A market report
Supply of a product
Demand for a product
A gross margin analysis
2
What is the purpose of whole farm planning?
To calculate gross margins for various farm enterprises
To develop and manage wildlife corridors
To ensure the long-term sustainability of the farm
To classify land and match it to intended usage
3
Which management techniques for crop production is NOT associated with managing competition?
Herbicides
Row spacing
Seed rate
Insecticides
4
What is the hormone that promotes development of the lining of the uterus in mammals?
Follicle stimulating hormone
Oestrogen
Oxytocin
Luteinising hormone
5
The diagram shows a oestrus synchronisation program for cows. What hormone is injected-day 5?
Prostaglandin
Progesterone
Follicle stimulating hormone
Oxytocin
6
Which statistical measure provides information about the spread of data?
Mean
Median
Standard deviation
Mode
7
Which row in the table correctly describes microbes involved in ruminant digestion?
Row B
Row A
Row D
Row C
8
A legume has lumps on its roots. What's the effect of these lumps on the growth of the plant?
Increased growth due to an increase in available nutrients
Decreased growth because of the presence of a disease
Decreased growth due to a blockage of the root xylem vessels
Increased growth because of increased water uptake
9
The fate of energy in an animals diet is shown. What energy types are represented at X & Y?
Row D
Row C
Row A
Row B
10
The disease triangle shows the 3 factors needed for disease development. Label (ii) and (iii)
ii) Pathogen iii) Time
ii) Environment iii) Time
ii) Environment iii) Vector
ii) Pathogen iii) Environment
11
What is the meaning of the term withholding period?
The period between chemical treatment and harvesting
The period between chemical treatment & the pests control
The period between treatment of a pest and human consumption
The period between planting and harvesting
12
The following procedure was undertaken on a dry soil sample. What is being measured?
Texture
Bulk density
Organic matter content
Net Assimilation Rate (NAR)
13
Which combination of farming practices is most likely to decrease water quality in waterways?
Fertiliser usage, cultivation, stock access
Ley farming, stock access, fertiliser usage
Green manuring, fertiliser usage, cultivation
Crop rotation, stock access, cultivation
14
Which of the following is a disadvantage of the ruminant digestive system?
Inability to utilise low quality proteins
Inefficient digestion of starch
Inability to synthesise vitamin B
Loss of energy due to methane production
15
What name is given to the spherical swellings on the roots of a legume?
Root hairs
Guard cells
Nodules
Rhizomes
16
What name is given to organisms which cause disease?
Hosts
Vectors
Pathogens
Predators
17
What does the term heritability mean in relation to genetic improvement?
The percentage of a particular breed in a cross-bred animal
The portion of a trait determined by the environment
The increase or decrease of a trait over the breed average
The portion of a trait determined by genes
18
From the supply and demand graph for a product, which letter shows equilibrium market price?
X
W
Y
Z
19
What is the component of experimental design that involves the management of variables?
Standardisation
Replication
Control
Randomisation
20
The diagram shows part of the nitrogen cycle. Which arrow represents the nitrification process?
Y
Z
X
W
21
Which factor would most likely cause seedlings in a greenhouse, appear pale & elongated?
Low light conditions
Low carbon dioxide level
Low oxygen level
Low water availability
22
Here are EBV's for four sires. Which bull should join heifers to supply steers to a feedlot?
Sire Z
Sire X
Sire Y
Sire W
23
Which of the following is NOT an indicator of water quality?
Temperature
Turbidity
pH
Dissolved oxygen level
24
The table shows the weights of a group of lambs. What is the mean weight?
18
16
19
17
25
Which of the following is an advantage of establishing a mixed species pasture?
The mixture of species suppresses weed growth
Pasture production in arid climatic zones is possible
It is easier to establish and manage than monocultures
It extends the growing season of a pasture
26
What does net assimilation rate (NAR) measure?
Photosynthesis
Nutrient uptake of a plant
Cellular respiration
Dry matter production of a plant / unit area of leaf matter
27
Financial information for a farm is shown. What is the return on capital for this farm?
7.4%
25.0%
14.3%
13.0%
28
What is likely to result from the loss of organic matter (soil carbon) from a soil over time?
An increase in soil salinity
An increase in water-holding capacity
A change in soil texture
A breakdown of soil structure
29
A soil test determined that the pH of a soil was 4. What does this pH level indicate?
This soil is too alkaline for most plants to grow well
This soil is too saline for seeds to germinate and grow
All macro soil nutrients are available to plants at this pH.
Plants could access a more nutrients if the pH was raised.
30
What is the function of the hormone progesterone in female animals?
It stimulates the development of follicles in the ovary
It causes milk ‘let down’ following birth
It causes contraction of the uterus at the time of birth
It maintains pregnancy
31
What is a marketing strategy where one owner controls different parts of the supply chain?
Contract selling
Saleyard selling
Wholesale marketing
Vertical integration
32
The diagram shows a plant breeding system. Which type of breeding system is this?
Selective breeding
Genetic engineering
Hybridisation
Cross breeding
33
Heterosis or hybrid vigour is observed when
An organisms genetic material has been manipulated
Production data is measured and recorded for breeding use
Progeny from a crossbreeding program outperform parents
Progeny have identical type & production levels as parents
34
Which of the following is an example of a behavioural characteristic of an animal?
Liveweight
Fertility
Temperament
Body temperature
35
Which type of plant hormone increases the ripening rate of fruits?
Ethylene
Cytokinin
Auxin
Gibberellin
36
Which of the following soil textural classes would have the highest ion exchange capacity?
Clay loam
Loam
Sandy loam
Sand
37
A producer has to treat his bulls for lice. How much chemical is required for the whole mob?
1170mL
450mL
585mL
780mL
38
A farmer has 50 sheep with weights from 70–80 kg. What is the dosage per sheep? Use the diagram
16 mL
15 mL
14 mL
17 mL
39
Which row of the table of soil characteristics best describes a sandy soil?
Row B
Row D
Row A
Row C
40
Which is NOT an example of overcoming an environmental constraint in plant production?
Covering fruit trees with bird netting
Growing crops in a glasshouse
Adding lime to acidic soils
Applying hormones to plant cuttings to promote root growth
41
A digestive tract is shown. Identify the type of digestive system and organ (M)?
Monogastric system; M= Crop
Monogastric system; M= Caecum
Ruminant system; M= Duodenum
Ruminant system; M= Omasum
42
Which if the following is not a soil degredation issue?
Soil carbon sequestraion
Soil salinity
Soil acidity
Soil erosion
43
Which of the following best describes an effect that fertilisers can have on water quality?
Row B
Row A
Row D
Row C
44
What is the most likely consequence for animals exposed to sustained high temperatures?
Early onset of puberty
Increased ovulation rates in female animals
Increased birthweights of offspring
Reduced fertility in male animals
45
What should be subtracted from total enterprise income to calculate a gross margin?
Fixed equity
Variable costs
Fixed costs
Variable equity
46
Which best describes the purpose of animal welfare legislation in animal production systems?
To eliminate all sources of pain and suffering for animals
To ensure that farm animals have adequate food
To prevent animal rights activists from interfering on farms
To promote the wellbeing of animals & prevent animal cruelty
47
What is meant by the term flushing when used with reference to animal production?
Administering an oral drench rather than a backline
Increasing nutrition prior to mating
Allowing an animal’s gut to empty before slaughter
Applying backline drenches rather than oral drenches
48
Dry matter yield was measured comparing 3 fertiliser types. What's the most suitable graph type
Graph A
Graph C
Graph D
Graph B
49
A government charge on the amount of irrigation water used will have an effect on
interest rates on farm loans
the marketing of farm products
farm safety
the production of plants and animals
50
What system of plant breeding is shown in the diagram?
Hybridisation
Genetic engineering
Selective breeding
Line breeding
51
Which row of the table best describes the effect of each plant hormone?
Row A
Row D
Row B
Row C
52
After germination, what is the correct order of the phases of growth for a plant?
Vegetative, reproductive, emergence
Vegetative, emergence, reproductive
Emergence, vegetative, reproductive
Emergence, reproductive, vegetative
53
What is the name of the bacteria responsible for nodule formation on legumes?
Rhizobium
Ribosomes
Reticulum
Rhizomes
54
The long-term fertility of sandy soils is best maintained by:
Regularly using the land to grow organic crops
Applying a chemical fertiliser
Applying gypsum
Conserving organic matter (soil carbon)
55
From the diagram which ruminant organ has the same function as 'organ X' in the pig system.
Reticulum
Abomasum
Omasum
Rumen
56
Which of the following best describes the plant breeding technique known as selective breeding?
Transferring a gene into a plant using laboratory techniques
Crossing two different plant species to produce a new plant
Choosing seeds from genetically superior plants to reproduce
Crossing 2 existing plant varieties to produce a new variety
57
Which correctly relates a soil chemical characteristic to an effect that increases plant growth
A low bulk density value raises the porosity of the soil
Extreme pH values make all plant nutrients more available
Soil particles with a net positive charge attract cations.
Soils with a high CEC can release large numbers of cations
58
Which graph shows the correct order of development of tissues during an animal’s life?
Graph B
Graph A
Graph D
Graph C
59
What is the most effective way of managing riparian zones in order to improve water quality?
Applying fertiliser
Constructing dams
Clearing all vegetation
Fencing to exclude livestock
60
A company’s website describes its operations as shown. What is the companies marketing strategy
Direct marketing
Marketing board
Cooperative
Vertical integration
61
Which characteristic of a soil would give the best indication of its chemical fertility?
Ion exchange capacity
Acidity
The arrangement of soil particles
The proportions of sand, silt and clay
62
What is the land use practice commonly used by the Aboriginal inhabitants of Australia?
Firestick farming
Conservation tillage
Subsistence farming
Minimum tillage
63
What does weight per unit volume of soil measure?
Porosity
Structure
Ion exchange capacity
Bulk density
64
A procedure used in cattle production is shown in the diagram. What is this procedure?
Pregnancy testing
Embryo transfer
Artificial insemination
Oestrus synchronisation
65
Net assimilation rate (NAR) is determined by calculating the balance between:
Photosynthesis and respiration.
Respiration and germination.
Photosynthesis and germination.
Respiration and transpiration.
66
What is the likely consequence for animals under conditions of sustained high temperatures?
Increased ovulation rates in female animals
Reduced fertility in male animals
Early onset of puberty
Increased birth weights of offspring
67
The diagram shows the early stages of the growth of a plant. What type of plant is it?
Monogastric
Monocotyledon
Grass
Dicotyledon
68
Which of the following is an example of a value-added product?
Diced beef
Eggs
Raw milk
Wine grapes
69
The prime purpose of regulating access to water on farms is to
balance the needs of farmers and environmental flows
share water equally between farms
prevent eutrophication of rivers and streams
prevent irrigation salinity
70
An extract from a 100 steer feedlot enterprise is shown. Calculate the gross margin/steer.
$250
$760
$200
$710
71
What is being determined by the test shown in the diagrams?
Structure
Bulk density
Porosity
Texture
72
Supply and demand curves are shown. What's the outcome of the shift from Supply 1 to Supply 2?
The price for the product would remain unchanged
Supply, quantity and price would increase for the product
There would be an increase in price for the product
There would be a decrease in price for the product
73
Which combination of factors affects the rate of photosynthesis in a plant?
Carbon dioxide and oxygen concentrations
Day length and carbon dioxide concentration
Day length and temperature
Carbon dioxide concentration, temperature & light intensity
74
Which of the following describes ONLY physical characteristics of a soil?
Porosity, structure, nitrogen status
Ion exchange capacity, carbon status, nitrogen status
Porosity, structure, texture
Ion exchange capacity, structure, texture
75
Which statistical measure provides the average?
Standard deviation
Mode
Mean
Median
76
Which of the following is a feature of a soil with a high bulk density?
Low mechanical strength
Closely packed soil particles
High levels of organic matter
High level of porosity
77
The growth rate (kg/day) for each animal in a pen of steers is shown. What is the mean (kg/day)
1.90 kg/day
2.11 kg/day
2.00 kg/day
2.38 kg/day
78
The graph shows pure bred & cross-bred animals growth rates. What causes the A x B extra growth
Heritability
Hybrid vigour
Dominance
Co-dominance
79
Improved pastures are characterised as:
Pastures consisting of native and introduced species
Species indigenous to Australia, highly adapted to climate
Introduced varieties with high production, and palatability
Introduced varieties with low digestibility & palatability
80
Which graph most accurately shows a demand curve for an agricultural product?
Graph B
Graph D
Graph C
Graph A

Yr 11 Ag No. 2 25/6/20 Flashcards | StudBud

Yr 11 Ag No. 2 25/6/20

80 termsStudBud Administration11 plays

Flashcards80 cardsFPractice quizPHost liveL

Questions 80

Answers

1
What does this table represent?
A market report
Supply of a product
Demand for a product
A gross margin analysis
2
What is the purpose of whole farm planning?
To calculate gross margins for various farm enterprises
To develop and manage wildlife corridors
To ensure the long-term sustainability of the farm
To classify land and match it to intended usage
3
Which management techniques for crop production is NOT associated with managing competition?
Herbicides
Row spacing
Seed rate
Insecticides
4
What is the hormone that promotes development of the lining of the uterus in mammals?
Follicle stimulating hormone
Oestrogen
Oxytocin
Luteinising hormone
5
The diagram shows a oestrus synchronisation program for cows. What hormone is injected-day 5?
Prostaglandin
Progesterone
Follicle stimulating hormone
Oxytocin
6
Which statistical measure provides information about the spread of data?
Mean
Median
Standard deviation
Mode
7
Which row in the table correctly describes microbes involved in ruminant digestion?
Row B
Row A
Row D
Row C
8
A legume has lumps on its roots. What's the effect of these lumps on the growth of the plant?
Increased growth due to an increase in available nutrients
Decreased growth because of the presence of a disease
Decreased growth due to a blockage of the root xylem vessels
Increased growth because of increased water uptake
9
The fate of energy in an animals diet is shown. What energy types are represented at X & Y?
Row D
Row C
Row A
Row B
10
The disease triangle shows the 3 factors needed for disease development. Label (ii) and (iii)
ii) Pathogen iii) Time
ii) Environment iii) Time
ii) Environment iii) Vector
ii) Pathogen iii) Environment
11
What is the meaning of the term withholding period?
The period between chemical treatment and harvesting
The period between chemical treatment & the pests control
The period between treatment of a pest and human consumption
The period between planting and harvesting
12
The following procedure was undertaken on a dry soil sample. What is being measured?
Texture
Bulk density
Organic matter content
Net Assimilation Rate (NAR)
13
Which combination of farming practices is most likely to decrease water quality in waterways?
Fertiliser usage, cultivation, stock access
Ley farming, stock access, fertiliser usage
Green manuring, fertiliser usage, cultivation
Crop rotation, stock access, cultivation
14
Which of the following is a disadvantage of the ruminant digestive system?
Inability to utilise low quality proteins
Inefficient digestion of starch
Inability to synthesise vitamin B
Loss of energy due to methane production
15
What name is given to the spherical swellings on the roots of a legume?
Root hairs
Guard cells
Nodules
Rhizomes
16
What name is given to organisms which cause disease?
Hosts
Vectors
Pathogens
Predators
17
What does the term heritability mean in relation to genetic improvement?
The percentage of a particular breed in a cross-bred animal
The portion of a trait determined by the environment
The increase or decrease of a trait over the breed average
The portion of a trait determined by genes
18
From the supply and demand graph for a product, which letter shows equilibrium market price?
X
W
Y
Z
19
What is the component of experimental design that involves the management of variables?
Standardisation
Replication
Control
Randomisation
20
The diagram shows part of the nitrogen cycle. Which arrow represents the nitrification process?
Y
Z
X
W
21
Which factor would most likely cause seedlings in a greenhouse, appear pale & elongated?
Low light conditions
Low carbon dioxide level
Low oxygen level
Low water availability
22
Here are EBV's for four sires. Which bull should join heifers to supply steers to a feedlot?
Sire Z
Sire X
Sire Y
Sire W
23
Which of the following is NOT an indicator of water quality?
Temperature
Turbidity
pH
Dissolved oxygen level
24
The table shows the weights of a group of lambs. What is the mean weight?
18
16
19
17
25
Which of the following is an advantage of establishing a mixed species pasture?
The mixture of species suppresses weed growth
Pasture production in arid climatic zones is possible
It is easier to establish and manage than monocultures
It extends the growing season of a pasture
26
What does net assimilation rate (NAR) measure?
Photosynthesis
Nutrient uptake of a plant
Cellular respiration
Dry matter production of a plant / unit area of leaf matter
27
Financial information for a farm is shown. What is the return on capital for this farm?
7.4%
25.0%
14.3%
13.0%
28
What is likely to result from the loss of organic matter (soil carbon) from a soil over time?
An increase in soil salinity
An increase in water-holding capacity
A change in soil texture
A breakdown of soil structure
29
A soil test determined that the pH of a soil was 4. What does this pH level indicate?
This soil is too alkaline for most plants to grow well
This soil is too saline for seeds to germinate and grow
All macro soil nutrients are available to plants at this pH.
Plants could access a more nutrients if the pH was raised.
30
What is the function of the hormone progesterone in female animals?
It stimulates the development of follicles in the ovary
It causes milk ‘let down’ following birth
It causes contraction of the uterus at the time of birth
It maintains pregnancy
31
What is a marketing strategy where one owner controls different parts of the supply chain?
Contract selling
Saleyard selling
Wholesale marketing
Vertical integration
32
The diagram shows a plant breeding system. Which type of breeding system is this?
Selective breeding
Genetic engineering
Hybridisation
Cross breeding
33
Heterosis or hybrid vigour is observed when
An organisms genetic material has been manipulated
Production data is measured and recorded for breeding use
Progeny from a crossbreeding program outperform parents
Progeny have identical type & production levels as parents
34
Which of the following is an example of a behavioural characteristic of an animal?
Liveweight
Fertility
Temperament
Body temperature
35
Which type of plant hormone increases the ripening rate of fruits?
Ethylene
Cytokinin
Auxin
Gibberellin
36
Which of the following soil textural classes would have the highest ion exchange capacity?
Clay loam
Loam
Sandy loam
Sand
37
A producer has to treat his bulls for lice. How much chemical is required for the whole mob?
1170mL
450mL
585mL
780mL
38
A farmer has 50 sheep with weights from 70–80 kg. What is the dosage per sheep? Use the diagram
16 mL
15 mL
14 mL
17 mL
39
Which row of the table of soil characteristics best describes a sandy soil?
Row B
Row D
Row A
Row C
40
Which is NOT an example of overcoming an environmental constraint in plant production?
Covering fruit trees with bird netting
Growing crops in a glasshouse
Adding lime to acidic soils
Applying hormones to plant cuttings to promote root growth
41
A digestive tract is shown. Identify the type of digestive system and organ (M)?
Monogastric system; M= Crop
Monogastric system; M= Caecum
Ruminant system; M= Duodenum
Ruminant system; M= Omasum
42
Which if the following is not a soil degredation issue?
Soil carbon sequestraion
Soil salinity
Soil acidity
Soil erosion
43
Which of the following best describes an effect that fertilisers can have on water quality?
Row B
Row A
Row D
Row C
44
What is the most likely consequence for animals exposed to sustained high temperatures?
Early onset of puberty
Increased ovulation rates in female animals
Increased birthweights of offspring
Reduced fertility in male animals
45
What should be subtracted from total enterprise income to calculate a gross margin?
Fixed equity
Variable costs
Fixed costs
Variable equity
46
Which best describes the purpose of animal welfare legislation in animal production systems?
To eliminate all sources of pain and suffering for animals
To ensure that farm animals have adequate food
To prevent animal rights activists from interfering on farms
To promote the wellbeing of animals & prevent animal cruelty
47
What is meant by the term flushing when used with reference to animal production?
Administering an oral drench rather than a backline
Increasing nutrition prior to mating
Allowing an animal’s gut to empty before slaughter
Applying backline drenches rather than oral drenches
48
Dry matter yield was measured comparing 3 fertiliser types. What's the most suitable graph type
Graph A
Graph C
Graph D
Graph B
49
A government charge on the amount of irrigation water used will have an effect on
interest rates on farm loans
the marketing of farm products
farm safety
the production of plants and animals
50
What system of plant breeding is shown in the diagram?
Hybridisation
Genetic engineering
Selective breeding
Line breeding
51
Which row of the table best describes the effect of each plant hormone?
Row A
Row D
Row B
Row C
52
After germination, what is the correct order of the phases of growth for a plant?
Vegetative, reproductive, emergence
Vegetative, emergence, reproductive
Emergence, vegetative, reproductive
Emergence, reproductive, vegetative
53
What is the name of the bacteria responsible for nodule formation on legumes?
Rhizobium
Ribosomes
Reticulum
Rhizomes
54
The long-term fertility of sandy soils is best maintained by:
Regularly using the land to grow organic crops
Applying a chemical fertiliser
Applying gypsum
Conserving organic matter (soil carbon)
55
From the diagram which ruminant organ has the same function as 'organ X' in the pig system.
Reticulum
Abomasum
Omasum
Rumen
56
Which of the following best describes the plant breeding technique known as selective breeding?
Transferring a gene into a plant using laboratory techniques
Crossing two different plant species to produce a new plant
Choosing seeds from genetically superior plants to reproduce
Crossing 2 existing plant varieties to produce a new variety
57
Which correctly relates a soil chemical characteristic to an effect that increases plant growth
A low bulk density value raises the porosity of the soil
Extreme pH values make all plant nutrients more available
Soil particles with a net positive charge attract cations.
Soils with a high CEC can release large numbers of cations
58
Which graph shows the correct order of development of tissues during an animal’s life?
Graph B
Graph A
Graph D
Graph C
59
What is the most effective way of managing riparian zones in order to improve water quality?
Applying fertiliser
Constructing dams
Clearing all vegetation
Fencing to exclude livestock
60
A company’s website describes its operations as shown. What is the companies marketing strategy
Direct marketing
Marketing board
Cooperative
Vertical integration
61
Which characteristic of a soil would give the best indication of its chemical fertility?
Ion exchange capacity
Acidity
The arrangement of soil particles
The proportions of sand, silt and clay
62
What is the land use practice commonly used by the Aboriginal inhabitants of Australia?
Firestick farming
Conservation tillage
Subsistence farming
Minimum tillage
63
What does weight per unit volume of soil measure?
Porosity
Structure
Ion exchange capacity
Bulk density
64
A procedure used in cattle production is shown in the diagram. What is this procedure?
Pregnancy testing
Embryo transfer
Artificial insemination
Oestrus synchronisation
65
Net assimilation rate (NAR) is determined by calculating the balance between:
Photosynthesis and respiration.
Respiration and germination.
Photosynthesis and germination.
Respiration and transpiration.
66
What is the likely consequence for animals under conditions of sustained high temperatures?
Increased ovulation rates in female animals
Reduced fertility in male animals
Early onset of puberty
Increased birth weights of offspring
67
The diagram shows the early stages of the growth of a plant. What type of plant is it?
Monogastric
Monocotyledon
Grass
Dicotyledon
68
Which of the following is an example of a value-added product?
Diced beef
Eggs
Raw milk
Wine grapes
69
The prime purpose of regulating access to water on farms is to
balance the needs of farmers and environmental flows
share water equally between farms
prevent eutrophication of rivers and streams
prevent irrigation salinity
70
An extract from a 100 steer feedlot enterprise is shown. Calculate the gross margin/steer.
$250
$760
$200
$710
71
What is being determined by the test shown in the diagrams?
Structure
Bulk density
Porosity
Texture
72
Supply and demand curves are shown. What's the outcome of the shift from Supply 1 to Supply 2?
The price for the product would remain unchanged
Supply, quantity and price would increase for the product
There would be an increase in price for the product
There would be a decrease in price for the product
73
Which combination of factors affects the rate of photosynthesis in a plant?
Carbon dioxide and oxygen concentrations
Day length and carbon dioxide concentration
Day length and temperature
Carbon dioxide concentration, temperature & light intensity
74
Which of the following describes ONLY physical characteristics of a soil?
Porosity, structure, nitrogen status
Ion exchange capacity, carbon status, nitrogen status
Porosity, structure, texture
Ion exchange capacity, structure, texture
75
Which statistical measure provides the average?
Standard deviation
Mode
Mean
Median
76
Which of the following is a feature of a soil with a high bulk density?
Low mechanical strength
Closely packed soil particles
High levels of organic matter
High level of porosity
77
The growth rate (kg/day) for each animal in a pen of steers is shown. What is the mean (kg/day)
1.90 kg/day
2.11 kg/day
2.00 kg/day
2.38 kg/day
78
The graph shows pure bred & cross-bred animals growth rates. What causes the A x B extra growth
Heritability
Hybrid vigour
Dominance
Co-dominance
79
Improved pastures are characterised as:
Pastures consisting of native and introduced species
Species indigenous to Australia, highly adapted to climate
Introduced varieties with high production, and palatability
Introduced varieties with low digestibility & palatability
80
Which graph most accurately shows a demand curve for an agricultural product?
Graph B
Graph D
Graph C
Graph A