How do Australian land capability assessment systems encourage more sustainable farming?

Use land according to its capability reduces erosion issues

What is a major difference between the digestive processes in ruminant and monogastric animals?

Ruminants are able to synthesise some B group vitamins

What is a common commercial use of the plant hormone group auxins?

To promote root growth in cuttings

What is the purpose of welfare legislation and industry codes of practice in animal management?

To reduce unnecessary pain and suffering

What is the function of root nodules on legume plants?

They contain bacteria which convert N gas into N compounds

After germination, what is the correct order of the phases of growth for a plant?

Emergence, vegetative, reproductive

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

the production of plants and animals.

What is the role of Rhizobium bacteria found in root nodules of legume plants?

They provide an available source of nitrogen to the plant

Using the data, in which months should cowpeas be planted to maximise germination percentage?

November, December, January, February

What is the purpose of welfare legislation and industry codes of practice in animal management?

To reduce unnecessary pain and suffering

What is the role of standardisation in experimental design?

To ensure onlythe variable affects the results

What is the best description of integrated pest management (IPM)?

Choosing most appropriate control strategies from a range

The no. of family farms in Aust has declined over the past 100 years. What is the consequence?

Reduced population in small rural towns

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

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

What is the best method of preventing the development of resistance in pest populations?

Implementing a range of chemical and nonchemical strategies

Which of the following is true of early European land management practices in Australia?

They led to an increase in soil degradation issues

What does net assimilation rate (NAR) measure?

Dry matter production of a plant

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

Increasing nutrition prior to mating

What is the role of standardisation in experimental design?

Ensure factors other than the variable don't affect results

Ruminant animals can achieve high growth on a diet of low quality protein. Why is this?

Microbes synthesise amino acids

In a research paper, what's the principal reason for including details on research methodology?

It allows readers to evaluate the validity of the research

Which of the following statements is NOT true of embryo transfer in animals?

Higher pregnancy rates achievable compared to natural mating

What is the major difference between the digestive process in ruminant and monogastric animals?

Ruminants are able to synthesise some B group vitamins

What is ONE disadvantage associated with artificial insemination in livestock breeding?

It may lead to an increase in inbreeding

What is ONE disadvantage associated with artificial insemination in livestock breeding?

It may lead to an increase in inbreeding.

After germination, what is the correct order of the phases of growth for a plant?

Emergence, vegetative, reproductive

Which of the following statemens is NOT true of embryo transfer in animals?

Higher rate of pregnancy achieved compared to natural method

studbud

Yr 11 Ag 25/6/20

100 termsStudBud Administration86 plays

HSC Agriculture: HSC Agriculture Quiz HSC Agriculture : Past HSC Ag questions HSC Agriculture Multiple Choice (1): A multiple choice style quiz to help prepare for #NSW#HSC#Agriculture#multiple choice

Flashcards100 cardsFPractice quizPHost liveL

Questions 100

Answers

1
How do Australian land capability assessment systems encourage more sustainable farming?
Use land according to its capability reduces erosion issues
They regulate what farmers can and cannot do on their land
Changing the capability of land ensures financial security
Enables the financial capability of land to be calculated
2
Which term is used to describe the arrangement of particles in soil?
Bulk density
Texture
Porosity
Structure
3
What is a major difference between the digestive processes in ruminant and monogastric animals?
Ruminants can convert some amino acids into other amino acid
Monogastrics use their own enzymes in the digestive process
Monogastric animals do not require roughage in their diet
Ruminants are able to synthesise some B group vitamins
4
Which term is used to describe the arrangement of particles in soil?
Bulk density
Porosity
Texture
Structure
5
Data for a soil sample is shown. What should be applied to increase pasture production?
Herbicide
Nitrogenous fertiliser
Lime
Gypsum
6
What is a common commercial use of the plant hormone group auxins?
To thin fruit in orchards
To defoliate cotton crops
To promote root growth in cuttings
To ripen fruit for market
7
Which of the following is responsible for ovulation?
Oestrogen
Progesterone
Prostaglandin
Luteinising hormone
8
What is the purpose of welfare legislation and industry codes of practice in animal management?
To reduce unnecessary pain and suffering
To improve the quantity of animal products
To all farm managers to monitor the performance of employees
To ensure that the latest technologies are being used
9
What is the function of root nodules on legume plants?
They store proteins which plants can use in times of stress
They contain bacteria which assist in the uptake of water
They store chemicals which stimulate root growth
They contain bacteria which convert N gas into N compounds
10
After germination, what is the correct order of the phases of growth for a plant?
Emergence, vegetative, reproductive
Vegetative, reproductive, emergence
Emergence, reproductive, vegetative
Vegetative, emergence, reproductive
11
Which of the following is a direct product of photosynthesis?
Carbon dioxide
Glucose
Starch
Glycogen
12
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.
the production of plants and animals.
farm safety.
13
What is the marketing strategy where one owner is involved in different parts of supply chain?
Saleyard selling
Wholesale marketing
Vertical integration
Contract selling
14
What term describes the time between consecutive ovulations in a breeding female animal?
Oestrous cycle
Breeding cycle
Standing heat
Gestation period
15
Predatory mites may be used to assist in the control of red spider mite. What type is this?
Biological
Chemical
Genetic
Cultural
16
At which point in a marketing chain would product promotion most likely increase total sales?
Production
Processing
Transport
Wholesaling
17
What is the role of Rhizobium bacteria found in root nodules of legume plants?
They provide resistance to plant pathogens
They assist in absorbing water and plant nutrients
They provide an available source of nitrogen to the plant
They provide energy for root growth
18
What is used to describe the time between consecutive ovulations in a breeding female animal?
Oestrous cycle
Standing heat
Breeding cycle
Gestation period
19
Which of the following is responsible for ovulation?
Prostaglandin
Progesterone
Oestrogen
Luteinising hormone
20
Which combination of factors is most likely to affect the fertility of farm animals?
Day length, topography, diseases
Nutrition, day length, light intensity
Light intensity, genetics, topography
Nutrition, genetics, diseases
21
Using the data, in which months should cowpeas be planted to maximise germination percentage?
February, March, April
January, February, March
April, May, June, July
November, December, January, February
22
What is the purpose of welfare legislation and industry codes of practice in animal management?
To improve the quantity of animal products
To reduce unnecessary pain and suffering
To allow farm managers to monitor employee performance
To ensure that the latest technologies are being used
23
What is the role of standardisation in experimental design?
To ensure onlythe variable affects the results
To provide a basis for comparison
To reduce the effects of biological variability
To reduce the effects of bias by the experimenter
24
What is the best description of integrated pest management (IPM)?
Breeding plants or animals which are pest resistant
Encouraging or introducing natural enemies of a pest
Choosing most appropriate control strategies from a range
Alternating the chemicals used in a pest control program
25
Which of the following diagrams best represents an example of line breeding?
D
A
B
C
26
Which financial management technique allows for comparison of farm enterprise profitability?
A farm development budget
A return to capital statement
A gross margin budget
A whole farm budget
27
Which pair of nitrogen-containing substances can plant roots extract from the soil?
Ammonium and nitrite
Ammonium and nitrate
Ammonia and nitrate
Ammonia and nitrite
28
The no. of family farms in Aust has declined over the past 100 years. What is the consequence?
Less variety in ag commodities being produced in Australia
Reduced total agricultural output
Reduced population in small rural towns
Increased food prices in Australia
29
A soil test determined that the pH of a soil was 4. What does this pH level indicate?
This soil is too saline for seeds to germinate and grow
Plants could access more of nutrients if the pH was raised.
This soil is too alkaline for most plants to grow well.
Soil nutrients are available to plants at this pH
30
Which correctly shows the relationship between plant density & dry matter (DM) yield /plant?
D
A
B
C
31
What is the best method of preventing the development of resistance in pest populations?
Repeated use of a synthetically manufactured pesticide
Using a different brand of the chemical each season
Implementing a range of chemical and nonchemical strategies
Replacing synthetic pesticides with organic ones
32
Which of the following is true of early European land management practices in Australia?
They did not involve the burning of plant material
They did not affect natural waterways.
Encouraged establishment of a range of native plant species
They led to an increase in soil degradation issues
33
Which of the following is an example of avalue added product?
Eggs
Raw milk
Wine Grapes
Diced beef
34
What does net assimilation rate (NAR) measure?
Photosynthesis
Cellular respiration
Dry matter production of a plant
Nutrient uptake of a plant
35
What is meant by the term flushing when used with reference to animal production?
Applying backline drenches rather than oral drenches
Increasing nutrition prior to mating
Allowing an animal’s gut to empty before slaughter
Wetting animals with insecticide to control ext parasites
36
What is the role of standardisation in experimental design?
Ensure factors other than the variable don't affect results
To reduce the effects of bias by the experimenter
To provide a basis for comparison between experiments
To reduce the effects of biological variability
37
Ruminant animals can achieve high growth on a diet of low quality protein. Why is this?
Microbes synthesise volatile fatty acids.
Microbes produce B group vitamins.
Microbes synthesise amino acids
Microbes digest cellulose.
38
In a research paper, what's the principal reason for including details on research methodology?
Readers can interpret the results of the research
The researcher can patent the research methodology
It allows readers to evaluate the validity of the research
It allows readers to understand how results were analysed
39
Which financial technique provides comparison of relative profitability of enterprises on-farm?
A whole farm budget
A farm development budget
A return to capital statement
A gross margin budget
40
Which of the following statements is NOT true of embryo transfer in animals?
Higher pregnancy rates achievable compared to natural mating
Embryos can be frozen and stored for use at a later time
Embryos can be sexed allowing for gender selection
Embryos can be split producing multiple identical embryos
41
What is the major difference between the digestive process in ruminant and monogastric animals?
Monogastrics do not require roughage in their diet
Ruminants are able to convert amino acids into other a/acids
Ruminants are able to synthesise some B group vitamins
Monogastrics use their own enzymes in the digestion process
42
Which group of chemicals regulates animal reproduction and behaviour?
Steroids
Amino acids
Hormones
Enzymes
43
What system modifies characteristics of a plant/animal by insert a single gene into its cells?
Hybridisation
Selective breeding
Line breeding
Genetic engineering
44
What is ONE disadvantage associated with artificial insemination in livestock breeding?
Reduce no. of progeny sired by genetically superior animals.
It may lead to an increase in inbreeding
It may reduce range of male genotypes available to a farmer.
It may lead to an increase in sexually transmitted diseases
45
Which statistical measure provides information about the spread of data?
Standard Deviation
Mean
Mode
Median
46
Which of these management techniques for crops is NOT associated with managing competition?
Insecticides
Irrigation
Herbicides
Row spacing
47
What name is given to organisms which cause disease?
Predators
Pathegeons
Vectors
Hosts
48
What is ONE disadvantage associated with artificial insemination in livestock breeding?
It may reduce the range of male genotypes available
It may lead to an increase in inbreeding.
It may reduce the number of genetically superior offspring
It may lead to an increase in sexually transmitted diseases.
49
After germination, what is the correct order of the phases of growth for a plant?
Emergence, reproductive, vegetative
Emergence, vegetative, reproductive
Vegetative, reproductive, emergence
Vegetative, emergence, reproductive
50
Which of the following statemens is NOT true of embryo transfer in animals?
Embryos can be frozen and stored for use at a later time
Embryos can be split so 2+ identical embryos are produced
Higher rate of pregnancy achieved compared to natural method
Embryos can be sexed so gender can be chosen
51
The diagram shows total energy used by an animal. What's metabolisable energy a combination of?
W, X and Y
W and X
X, Y and Z
Y and Z
52
What is the role of Rhizobium bacteria found in root nodules on legume plants?
They provide an available source of nitrogen to the plant
They provide resistance to plant pathogens
They assist in absorbing water and plant nutrients
They provide energy for root growth
53
Where in a marketing chain would product promotion be likely to increase sales of a product?
Wholesaling
Transport
Production
Processing
54
Farmers often increase the quantity & quality of food to female animals prior to mating. Why?
To increase the rate of ovulation in their breeding stock
To increase milk production during lactation
To increase the chance of survival of any offspring
To increase the length of the oestrus cycle
55
Which of the following is an example of value adding?
Selling pigs directly to a supermarket chain
Selling wine made on a farm
Selling beef cattle through an internet auction
Selling wheat through a growers cooperative
56
Which type of plant hormone increases the ripening rate of fruits?
Ethylene
Gibberellin
Auxin
Cytokinin
57
Which of the following is responsible for ovulation?
Progesterone
Luteinising hormone
Prostaglandin
Oestrogen
58
The graph shows an agricultural commodities price fluctuations. What could cause change at yr 3
Unseasonal weather conditions in a major production area
A significant reduction in consumer demand for the commodity
Importing more of the commodity
Normal seasonal variation in availability of the commodity
59
Which group of chemicals regulates animal production and behaviour
hormones
amio acids
enzymnes
steroids
60
The diagram shows the nitrogen cycle. Which process does NOT involve microbial activity?
W
Z
Y
X
61
A soil test determined that the pH of a soil was 4. What does this pH level indicate?
This soil is too saline for seeds to germinate and grow.
This soil is too alkaline (basic) for most plants to grow
Important soil nutrients are available to plants at this pH
Plants access a greater range of nutrients if the pH raised
62
Which pair of nitrogen-containing substances can plant roots extract from the soil?
Ammonium and nitrate
Ammonia and nitrate
Ammonium and nitrite
Ammonia and nitrite
63
How do Australian native pasture species differ from introduced pasture species?
They are mostly more productive in highly fertile soils
They are less susceptible to heavy grazing by livestock
They are typically more tolerant of hot and dry conditions
They actively grow the longest throughout the year
64
What name is given to the spherical swellings on the roots of a legume?
Root hairs
Guard cells
Rhizomes
Nodules
65
Which of the following graphs shows the relationship between photosynthesis & light intensity?
B
A
D
C
66
Which of the following is a feature of a soil with a high bulk density?
High levels of organic matter
Closely packed soil particles
Low mechanical strength
High level of porosity
67
What is the most likely consequence for animals under conditions of sustained high temperatures
Increased ovulation rates in female animals
Increased birth weights of offspring
Early onset of puberty
Reduced fertility in male animals
68
What is most likely to result from the loss of organic matter from a soil over time?
An increase in soil salinity
A change in soil texture
A breakdown of soil structure
An increase in water-holding capacity
69
What's the name given to the method of breeding stock selection using animal production data?
Progeny testing
Subjective measurement
Objective measurement
Show judging
70
Which of the following is a direct product of photosynthesis?
Starch
Glycogen
Glucose
Carbon dioxide
71
What is the best description of integrated pest management (IPM)?
Choosing the most appropriate strategies from a range
Breeding plants or animals which are pest resistant
Alternating the chemicals used in a pest control program
Introducing natural enemies of a pest to control it
72
Which of the following is an example of value adding?
Selling beef cattle through an internet auction
Selling wine made on a farm
Selling pigs directly to a supermarket chain
Selling wheat through a growers cooperative
73
Which combination of factors is most likely to affect the fertility of farm animals?
Nutrition, day length, light intensity
Light intensity, genetics, topography
Day length, topography, diseases
Nutrition, genetics, diseases
74
What is increased as a result of the use of hormone growth promotants (HGPs) in animals?
Fertility
Age of maturity
Efficiency of food conversion
Fat content of the carcase
75
They contain bacteria which convert nitrogen gas into nitrogen-containing compounds
Decreases - Fertilisers contribute to algal blooms
Decreases - Ferts enter atmosphere and convert to acid rain
Unchanged - Fertilisers are absorbed and utilised by plants
Improves - Water becomes more nutrient rich
76
Which of these techniques used in crop production is NOT associated with managing competition?
Irrigation
Insecticides
Herbicides
Row spacing
77
The table shows weights of four groups of lambs. Which group has the LEAST variable weights?
A
D
C
B
78
What group of chemicals is responsible for the regulation of animal reproductive systems?
Enzymes
Hormones
Regulators
Promotants
79
Which of the following describes ONLY physical characteristics of a soil?
Ion exchange capacity, structure, texture
Ion exchange capacity, carbon status, nitrogen status
Porosity, structure, texture
Porosity, structure, nitrogen status
80
What is the best method of preventing the development of resistance in a pest population?
Repeated use of a synthetically manufactured pesticide
Replacing synthetic pesticides with organic ones
Implement a range of chemical and non-chemcial strategies
Using a different brand of the chemical each season
81
Predatory mites may be used to control red spider mite. What type of pest control is this?
Chemical
Cultural
Biological
Genetic
82
What's the breeding system which modifies an organism by inserting a single gene into its cells
Genetic engineering
Selective breeding
Hybridisation
Line breeding
83
What is the name of the hormone that is responsible for maintaining pregnancy?
Oxytocin
Progesterone
Prostaglandin
Oestrogen
84
How do Australian native pasture species differ from introduced pasture species?
They are mostly more productive in highly fertile soils
They are generally less susceptible to heavy graxing
The usually grow actively for longer periods during the year
They are typically more tolerant of hot and dry conditions
85
Which environmental factor most likely causes seedlings to appear pale and elongated?
Low light conditions
Low oxygen level
Low carbon dioxide level
Low water availability
86
Which combination of factors is most likely to affect the fertility of farm animals?
Light intensity, genetics, topography
Nutrition, day length, light intensity
Nutrition, genetics, diseases
Day length, topgraphy, diseases
87
Which term is used to describe the arrangement of particles of soil?
Texture
Bulk density
Structure
Porosity
88
What is the function of the hormone progesterone in female animals?
It stimulates the development of follicles in the ovary
It maintains pregnancy
It causes contraction of the uterus at the time of birth
It causes milk ‘let down’ following birth
89
Why do farmers increase the quanity and quality of food to femail animals prior to mating?
To increase the rate of ovulation in their breeding stock
To increase the chance of survival of any offspring
To increase the length of the oestrus cycle
To increase milk production during lactation
90
Which statement is true of early European land management practices in Australia?
They led to an increase in soil degradation issues
They did not involve the burning of plant material
They encouraged a more diverse range of native plant species
They did not affect natural waterways
91
What is the name of the hormone that is responsible for maintaining pregnancy?
Progesterone
Oestrogen
Oxytocin
Prostaglandin
92
What group of chemicals is responsible for the regulation of animal reproductive systems?
Enzymes
Hormones
Promotants
Regulators
93
What is a common commercial use of the plant hormone group auxins?
To thin fruit in orchards
To defoliate cotton crops
To promote root growth in cuttings
To ripen fruit for market
94
Which characteristic of a soil would give the best indication of its chemical fertility?
Acidity
The proportions of sand, silt and clay
Ion exchange capacity
The arrangement of soil particles
95
Which environmental factor would cause seedlings to appear pale and elongated?
Low oxygen level
Low carbon dioxide level
Low light conditions
Low water availability
96
What is the role of standardisation in experimental design?
To ensure factors other than variable don't affect results
To provide a basis for comparison between experiments
To reduce the effects of biological variability
To reduce the effects of bias by the experimenter
97
What is increased as a result of the use of hormone growth promotants (HGPs) in animals?
Age of maturity
Fertility
Fat content of the carcase
Efficiency of food conversion
98
The number of Australian family farms has declined. What's the most likely consequence of this?
Reduced total agricultural output
Less variety in Australian agricultural commodities produced
Reduced population in small rural towns
Increased food prices in Australia
99
Which of the following is an example of a behavioural characteristic of an animal?
Liveweight
Temperament
Fertility
Body temperature
100
What is the feature of rumen microbes that allows ruminants to upgrade low quality protein?
Ability to digest cellulose
Ability to produce B group vitamins
Ability to synthesise amino acids
Ability to synthesise volatile fatty acids

Yr 11 Ag 25/6/20 Flashcards | StudBud

Yr 11 Ag 25/6/20

100 termsStudBud Administration86 plays

Flashcards100 cardsFPractice quizPHost liveL

Questions 100

Answers

1
How do Australian land capability assessment systems encourage more sustainable farming?
Use land according to its capability reduces erosion issues
They regulate what farmers can and cannot do on their land
Changing the capability of land ensures financial security
Enables the financial capability of land to be calculated
2
Which term is used to describe the arrangement of particles in soil?
Bulk density
Texture
Porosity
Structure
3
What is a major difference between the digestive processes in ruminant and monogastric animals?
Ruminants can convert some amino acids into other amino acid
Monogastrics use their own enzymes in the digestive process
Monogastric animals do not require roughage in their diet
Ruminants are able to synthesise some B group vitamins
4
Which term is used to describe the arrangement of particles in soil?
Bulk density
Porosity
Texture
Structure
5
Data for a soil sample is shown. What should be applied to increase pasture production?
Herbicide
Nitrogenous fertiliser
Lime
Gypsum
6
What is a common commercial use of the plant hormone group auxins?
To thin fruit in orchards
To defoliate cotton crops
To promote root growth in cuttings
To ripen fruit for market
7
Which of the following is responsible for ovulation?
Oestrogen
Progesterone
Prostaglandin
Luteinising hormone
8
What is the purpose of welfare legislation and industry codes of practice in animal management?
To reduce unnecessary pain and suffering
To improve the quantity of animal products
To all farm managers to monitor the performance of employees
To ensure that the latest technologies are being used
9
What is the function of root nodules on legume plants?
They store proteins which plants can use in times of stress
They contain bacteria which assist in the uptake of water
They store chemicals which stimulate root growth
They contain bacteria which convert N gas into N compounds
10
After germination, what is the correct order of the phases of growth for a plant?
Emergence, vegetative, reproductive
Vegetative, reproductive, emergence
Emergence, reproductive, vegetative
Vegetative, emergence, reproductive
11
Which of the following is a direct product of photosynthesis?
Carbon dioxide
Glucose
Starch
Glycogen
12
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.
the production of plants and animals.
farm safety.
13
What is the marketing strategy where one owner is involved in different parts of supply chain?
Saleyard selling
Wholesale marketing
Vertical integration
Contract selling
14
What term describes the time between consecutive ovulations in a breeding female animal?
Oestrous cycle
Breeding cycle
Standing heat
Gestation period
15
Predatory mites may be used to assist in the control of red spider mite. What type is this?
Biological
Chemical
Genetic
Cultural
16
At which point in a marketing chain would product promotion most likely increase total sales?
Production
Processing
Transport
Wholesaling
17
What is the role of Rhizobium bacteria found in root nodules of legume plants?
They provide resistance to plant pathogens
They assist in absorbing water and plant nutrients
They provide an available source of nitrogen to the plant
They provide energy for root growth
18
What is used to describe the time between consecutive ovulations in a breeding female animal?
Oestrous cycle
Standing heat
Breeding cycle
Gestation period
19
Which of the following is responsible for ovulation?
Prostaglandin
Progesterone
Oestrogen
Luteinising hormone
20
Which combination of factors is most likely to affect the fertility of farm animals?
Day length, topography, diseases
Nutrition, day length, light intensity
Light intensity, genetics, topography
Nutrition, genetics, diseases
21
Using the data, in which months should cowpeas be planted to maximise germination percentage?
February, March, April
January, February, March
April, May, June, July
November, December, January, February
22
What is the purpose of welfare legislation and industry codes of practice in animal management?
To improve the quantity of animal products
To reduce unnecessary pain and suffering
To allow farm managers to monitor employee performance
To ensure that the latest technologies are being used
23
What is the role of standardisation in experimental design?
To ensure onlythe variable affects the results
To provide a basis for comparison
To reduce the effects of biological variability
To reduce the effects of bias by the experimenter
24
What is the best description of integrated pest management (IPM)?
Breeding plants or animals which are pest resistant
Encouraging or introducing natural enemies of a pest
Choosing most appropriate control strategies from a range
Alternating the chemicals used in a pest control program
25
Which of the following diagrams best represents an example of line breeding?
D
A
B
C
26
Which financial management technique allows for comparison of farm enterprise profitability?
A farm development budget
A return to capital statement
A gross margin budget
A whole farm budget
27
Which pair of nitrogen-containing substances can plant roots extract from the soil?
Ammonium and nitrite
Ammonium and nitrate
Ammonia and nitrate
Ammonia and nitrite
28
The no. of family farms in Aust has declined over the past 100 years. What is the consequence?
Less variety in ag commodities being produced in Australia
Reduced total agricultural output
Reduced population in small rural towns
Increased food prices in Australia
29
A soil test determined that the pH of a soil was 4. What does this pH level indicate?
This soil is too saline for seeds to germinate and grow
Plants could access more of nutrients if the pH was raised.
This soil is too alkaline for most plants to grow well.
Soil nutrients are available to plants at this pH
30
Which correctly shows the relationship between plant density & dry matter (DM) yield /plant?
D
A
B
C
31
What is the best method of preventing the development of resistance in pest populations?
Repeated use of a synthetically manufactured pesticide
Using a different brand of the chemical each season
Implementing a range of chemical and nonchemical strategies
Replacing synthetic pesticides with organic ones
32
Which of the following is true of early European land management practices in Australia?
They did not involve the burning of plant material
They did not affect natural waterways.
Encouraged establishment of a range of native plant species
They led to an increase in soil degradation issues
33
Which of the following is an example of avalue added product?
Eggs
Raw milk
Wine Grapes
Diced beef
34
What does net assimilation rate (NAR) measure?
Photosynthesis
Cellular respiration
Dry matter production of a plant
Nutrient uptake of a plant
35
What is meant by the term flushing when used with reference to animal production?
Applying backline drenches rather than oral drenches
Increasing nutrition prior to mating
Allowing an animal’s gut to empty before slaughter
Wetting animals with insecticide to control ext parasites
36
What is the role of standardisation in experimental design?
Ensure factors other than the variable don't affect results
To reduce the effects of bias by the experimenter
To provide a basis for comparison between experiments
To reduce the effects of biological variability
37
Ruminant animals can achieve high growth on a diet of low quality protein. Why is this?
Microbes synthesise volatile fatty acids.
Microbes produce B group vitamins.
Microbes synthesise amino acids
Microbes digest cellulose.
38
In a research paper, what's the principal reason for including details on research methodology?
Readers can interpret the results of the research
The researcher can patent the research methodology
It allows readers to evaluate the validity of the research
It allows readers to understand how results were analysed
39
Which financial technique provides comparison of relative profitability of enterprises on-farm?
A whole farm budget
A farm development budget
A return to capital statement
A gross margin budget
40
Which of the following statements is NOT true of embryo transfer in animals?
Higher pregnancy rates achievable compared to natural mating
Embryos can be frozen and stored for use at a later time
Embryos can be sexed allowing for gender selection
Embryos can be split producing multiple identical embryos
41
What is the major difference between the digestive process in ruminant and monogastric animals?
Monogastrics do not require roughage in their diet
Ruminants are able to convert amino acids into other a/acids
Ruminants are able to synthesise some B group vitamins
Monogastrics use their own enzymes in the digestion process
42
Which group of chemicals regulates animal reproduction and behaviour?
Steroids
Amino acids
Hormones
Enzymes
43
What system modifies characteristics of a plant/animal by insert a single gene into its cells?
Hybridisation
Selective breeding
Line breeding
Genetic engineering
44
What is ONE disadvantage associated with artificial insemination in livestock breeding?
Reduce no. of progeny sired by genetically superior animals.
It may lead to an increase in inbreeding
It may reduce range of male genotypes available to a farmer.
It may lead to an increase in sexually transmitted diseases
45
Which statistical measure provides information about the spread of data?
Standard Deviation
Mean
Mode
Median
46
Which of these management techniques for crops is NOT associated with managing competition?
Insecticides
Irrigation
Herbicides
Row spacing
47
What name is given to organisms which cause disease?
Predators
Pathegeons
Vectors
Hosts
48
What is ONE disadvantage associated with artificial insemination in livestock breeding?
It may reduce the range of male genotypes available
It may lead to an increase in inbreeding.
It may reduce the number of genetically superior offspring
It may lead to an increase in sexually transmitted diseases.
49
After germination, what is the correct order of the phases of growth for a plant?
Emergence, reproductive, vegetative
Emergence, vegetative, reproductive
Vegetative, reproductive, emergence
Vegetative, emergence, reproductive
50
Which of the following statemens is NOT true of embryo transfer in animals?
Embryos can be frozen and stored for use at a later time
Embryos can be split so 2+ identical embryos are produced
Higher rate of pregnancy achieved compared to natural method
Embryos can be sexed so gender can be chosen
51
The diagram shows total energy used by an animal. What's metabolisable energy a combination of?
W, X and Y
W and X
X, Y and Z
Y and Z
52
What is the role of Rhizobium bacteria found in root nodules on legume plants?
They provide an available source of nitrogen to the plant
They provide resistance to plant pathogens
They assist in absorbing water and plant nutrients
They provide energy for root growth
53
Where in a marketing chain would product promotion be likely to increase sales of a product?
Wholesaling
Transport
Production
Processing
54
Farmers often increase the quantity & quality of food to female animals prior to mating. Why?
To increase the rate of ovulation in their breeding stock
To increase milk production during lactation
To increase the chance of survival of any offspring
To increase the length of the oestrus cycle
55
Which of the following is an example of value adding?
Selling pigs directly to a supermarket chain
Selling wine made on a farm
Selling beef cattle through an internet auction
Selling wheat through a growers cooperative
56
Which type of plant hormone increases the ripening rate of fruits?
Ethylene
Gibberellin
Auxin
Cytokinin
57
Which of the following is responsible for ovulation?
Progesterone
Luteinising hormone
Prostaglandin
Oestrogen
58
The graph shows an agricultural commodities price fluctuations. What could cause change at yr 3
Unseasonal weather conditions in a major production area
A significant reduction in consumer demand for the commodity
Importing more of the commodity
Normal seasonal variation in availability of the commodity
59
Which group of chemicals regulates animal production and behaviour
hormones
amio acids
enzymnes
steroids
60
The diagram shows the nitrogen cycle. Which process does NOT involve microbial activity?
W
Z
Y
X
61
A soil test determined that the pH of a soil was 4. What does this pH level indicate?
This soil is too saline for seeds to germinate and grow.
This soil is too alkaline (basic) for most plants to grow
Important soil nutrients are available to plants at this pH
Plants access a greater range of nutrients if the pH raised
62
Which pair of nitrogen-containing substances can plant roots extract from the soil?
Ammonium and nitrate
Ammonia and nitrate
Ammonium and nitrite
Ammonia and nitrite
63
How do Australian native pasture species differ from introduced pasture species?
They are mostly more productive in highly fertile soils
They are less susceptible to heavy grazing by livestock
They are typically more tolerant of hot and dry conditions
They actively grow the longest throughout the year
64
What name is given to the spherical swellings on the roots of a legume?
Root hairs
Guard cells
Rhizomes
Nodules
65
Which of the following graphs shows the relationship between photosynthesis & light intensity?
B
A
D
C
66
Which of the following is a feature of a soil with a high bulk density?
High levels of organic matter
Closely packed soil particles
Low mechanical strength
High level of porosity
67
What is the most likely consequence for animals under conditions of sustained high temperatures
Increased ovulation rates in female animals
Increased birth weights of offspring
Early onset of puberty
Reduced fertility in male animals
68
What is most likely to result from the loss of organic matter from a soil over time?
An increase in soil salinity
A change in soil texture
A breakdown of soil structure
An increase in water-holding capacity
69
What's the name given to the method of breeding stock selection using animal production data?
Progeny testing
Subjective measurement
Objective measurement
Show judging
70
Which of the following is a direct product of photosynthesis?
Starch
Glycogen
Glucose
Carbon dioxide
71
What is the best description of integrated pest management (IPM)?
Choosing the most appropriate strategies from a range
Breeding plants or animals which are pest resistant
Alternating the chemicals used in a pest control program
Introducing natural enemies of a pest to control it
72
Which of the following is an example of value adding?
Selling beef cattle through an internet auction
Selling wine made on a farm
Selling pigs directly to a supermarket chain
Selling wheat through a growers cooperative
73
Which combination of factors is most likely to affect the fertility of farm animals?
Nutrition, day length, light intensity
Light intensity, genetics, topography
Day length, topography, diseases
Nutrition, genetics, diseases
74
What is increased as a result of the use of hormone growth promotants (HGPs) in animals?
Fertility
Age of maturity
Efficiency of food conversion
Fat content of the carcase
75
They contain bacteria which convert nitrogen gas into nitrogen-containing compounds
Decreases - Fertilisers contribute to algal blooms
Decreases - Ferts enter atmosphere and convert to acid rain
Unchanged - Fertilisers are absorbed and utilised by plants
Improves - Water becomes more nutrient rich
76
Which of these techniques used in crop production is NOT associated with managing competition?
Irrigation
Insecticides
Herbicides
Row spacing
77
The table shows weights of four groups of lambs. Which group has the LEAST variable weights?
A
D
C
B
78
What group of chemicals is responsible for the regulation of animal reproductive systems?
Enzymes
Hormones
Regulators
Promotants
79
Which of the following describes ONLY physical characteristics of a soil?
Ion exchange capacity, structure, texture
Ion exchange capacity, carbon status, nitrogen status
Porosity, structure, texture
Porosity, structure, nitrogen status
80
What is the best method of preventing the development of resistance in a pest population?
Repeated use of a synthetically manufactured pesticide
Replacing synthetic pesticides with organic ones
Implement a range of chemical and non-chemcial strategies
Using a different brand of the chemical each season
81
Predatory mites may be used to control red spider mite. What type of pest control is this?
Chemical
Cultural
Biological
Genetic
82
What's the breeding system which modifies an organism by inserting a single gene into its cells
Genetic engineering
Selective breeding
Hybridisation
Line breeding
83
What is the name of the hormone that is responsible for maintaining pregnancy?
Oxytocin
Progesterone
Prostaglandin
Oestrogen
84
How do Australian native pasture species differ from introduced pasture species?
They are mostly more productive in highly fertile soils
They are generally less susceptible to heavy graxing
The usually grow actively for longer periods during the year
They are typically more tolerant of hot and dry conditions
85
Which environmental factor most likely causes seedlings to appear pale and elongated?
Low light conditions
Low oxygen level
Low carbon dioxide level
Low water availability
86
Which combination of factors is most likely to affect the fertility of farm animals?
Light intensity, genetics, topography
Nutrition, day length, light intensity
Nutrition, genetics, diseases
Day length, topgraphy, diseases
87
Which term is used to describe the arrangement of particles of soil?
Texture
Bulk density
Structure
Porosity
88
What is the function of the hormone progesterone in female animals?
It stimulates the development of follicles in the ovary
It maintains pregnancy
It causes contraction of the uterus at the time of birth
It causes milk ‘let down’ following birth
89
Why do farmers increase the quanity and quality of food to femail animals prior to mating?
To increase the rate of ovulation in their breeding stock
To increase the chance of survival of any offspring
To increase the length of the oestrus cycle
To increase milk production during lactation
90
Which statement is true of early European land management practices in Australia?
They led to an increase in soil degradation issues
They did not involve the burning of plant material
They encouraged a more diverse range of native plant species
They did not affect natural waterways
91
What is the name of the hormone that is responsible for maintaining pregnancy?
Progesterone
Oestrogen
Oxytocin
Prostaglandin
92
What group of chemicals is responsible for the regulation of animal reproductive systems?
Enzymes
Hormones
Promotants
Regulators
93
What is a common commercial use of the plant hormone group auxins?
To thin fruit in orchards
To defoliate cotton crops
To promote root growth in cuttings
To ripen fruit for market
94
Which characteristic of a soil would give the best indication of its chemical fertility?
Acidity
The proportions of sand, silt and clay
Ion exchange capacity
The arrangement of soil particles
95
Which environmental factor would cause seedlings to appear pale and elongated?
Low oxygen level
Low carbon dioxide level
Low light conditions
Low water availability
96
What is the role of standardisation in experimental design?
To ensure factors other than variable don't affect results
To provide a basis for comparison between experiments
To reduce the effects of biological variability
To reduce the effects of bias by the experimenter
97
What is increased as a result of the use of hormone growth promotants (HGPs) in animals?
Age of maturity
Fertility
Fat content of the carcase
Efficiency of food conversion
98
The number of Australian family farms has declined. What's the most likely consequence of this?
Reduced total agricultural output
Less variety in Australian agricultural commodities produced
Reduced population in small rural towns
Increased food prices in Australia
99
Which of the following is an example of a behavioural characteristic of an animal?
Liveweight
Temperament
Fertility
Body temperature
100
What is the feature of rumen microbes that allows ruminants to upgrade low quality protein?
Ability to digest cellulose
Ability to produce B group vitamins
Ability to synthesise amino acids
Ability to synthesise volatile fatty acids