9423752
Descripción
Test por Freya Robinson, actualizado hace más de 1 año
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Creado por Freya Robinson
hace alrededor de 7 años
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Pregunta 1
Pregunta
What is a type 1 error?
Respuesta
-
Rejecting the true null hypothesis. False positive
-
Not rejecting the false null hypothesis. False Negative
Pregunta 2
Pregunta
Statistical power depends on?
Respuesta
-
Sample Size
-
Size of Specimens
-
Effect Size
-
Background Variation
-
Pseudo-replication
-
Significant level
Pregunta 3
Pregunta
What are the 8 steps of Feed and Food Processing?
Respuesta
-
Search, Detection, Decision, Orientation, Pursuit, Attack, Capture, Ingestion
-
Search, Decision, Detection, Orientation, Pursuit, Attack, Capture, Ingestion
-
Search, Detection, Decision, Pursuit, Orientation, Attack, Capture, Ingestion
-
Search, Detection, Decision, Orientation, Pursuit, Capture, Attack, Ingestion
Pregunta 4
Pregunta
In Aquaculture, what are some of the parameters that can effect feeding behavior?
Respuesta
-
Temp, Salinity, Light Intensity etc
-
Smell, loud music, wind speed etc
-
turbidity, sex ratio, health etc
Pregunta 5
Pregunta
A fish with high levels of Cones in their eyes and feeds during the day would be?
Respuesta
-
Mesotopic
-
Scotopic
-
Photopic
Pregunta 6
Pregunta
A scotopic fish has which characteristic?
Respuesta
-
High number of cones
-
High number of rods
Pregunta 7
Pregunta
Ghrelin is an orexogenic neurohormone that is stimulated in the hypothalamic.
Respuesta
- True
- False
Pregunta 8
Pregunta
Which of the following are Orexigenic Neurohormones?
Respuesta
-
Ghrelin
-
Melanocotrine (POMC)
-
Galanin
-
Agouti-regulated protien
-
BBS - bombesin
-
CCK - gastrin
-
Melanin concentrating hormone (MHC)
-
NPY
Pregunta 9
Pregunta
Which of the following are Anorexigenic neurohormones stimulated by the brain?
Respuesta
-
CCK - gastrin
-
Melanocortine
-
CART
-
Bombesin
-
Leptin
-
Glucogen like peptide - GLP-1
-
Tachykinins
-
CRF
Pregunta 10
Pregunta
What does Ghrelin Control?
Respuesta
-
Homeostasis and consumption of food
-
Coloration and Consumption of food
-
Homeostasis and Coloration
-
All
Pregunta 11
Pregunta
Where is NPY stimulated?
Respuesta
-
Hypothalamus
-
Stomach
-
Nervous system
-
Pancreas
-
Digestive Canal
-
Liver
Pregunta 12
Pregunta
Galanin is produced in the brain and pituitary tissues?
Respuesta
- True
- False
Pregunta 13
Pregunta
BBS is produced where?
Respuesta
-
Central nervous system
-
pancreas
-
Cardiovascular system
-
Liver
-
Spleen
-
Brain
-
Digestive Canal
Pregunta 14
Pregunta
CART interacts with which neurohormones?
Respuesta
-
CRF
-
Galanin
-
MCH
-
NPY
-
Orexins
-
Agouti-regulated protien
-
Leptin
Pregunta 15
Pregunta
Ultradian Cycles are composed of more than one cycle per 24 hours?
Respuesta
- True
- False
Pregunta 16
Pregunta
Circadian Cycles are composed of 2 cycles per 24 hours?
Respuesta
- True
- False
Pregunta 17
Pregunta
Infradian cycles are composed of less than one cycle per 24 hours?
Respuesta
- True
- False
Pregunta 18
Pregunta
A digestive system composing of a large stomach an small intestine belongs to ...
Respuesta
-
Omnivore
-
Carnivore
-
Herbivore
-
Insectivore
Pregunta 19
Pregunta
A digestive system composing of a large stomach and a large intestine would belong to what?
Respuesta
-
Herbivore
-
Carnivore
-
Omnivore
Pregunta 20
Pregunta
Anticipatory feeding behaviour characteristics include;
Respuesta
-
Feeding anticipatory activity gradual appearance.
-
Feeding anticipatory activity mostly appeared during food deprivation.
-
Detected only after several feeding cycles.
-
Disappeared during ad libitum feeding.
-
The restricted feeding increase the possibility for the fish to express food-anticipatory activity.
-
All of the Above
Pregunta 21
Pregunta
Signs of anticipatory feeding behavior include;
Respuesta
-
Swimming activity
-
Aggression
-
Lever-pressing behavior (if self fed)
-
Shyness
-
Agnostic Behavior
-
Swimming and feeding activity rhythms are strongly influenced by feeding method.
Pregunta 22
Pregunta
Synchronizing stimuli for feeding entrainment
Respuesta
-
Meal size and composition
-
Attractiveness of person feeding
-
Energy content
-
Food restriction
-
Hormone melatonin
-
Tank colouration
Pregunta 23
Pregunta
Feed Efficiency = wet weight / dry feed weight ?
Respuesta
- True
- False
Pregunta 24
Pregunta
FCR = Dry feed weight / wet weight gain ?
Respuesta
- True
- False
Pregunta 25
Pregunta
Protein efficiency ratio = 100 x (wet weight gain/ crude protein intake) ?
Respuesta
- True
- False
Pregunta 26
Respuesta
-
Feed Fish
-
Feed Losses
-
Wt Gain
-
Feed gain ratio
-
Feed Supply
Pregunta 27
Pregunta
Net protein ratio = (N gain in fish - N loss) / N Intake
Respuesta
- True
- False
Pregunta 28
Pregunta
For every 1g of oxygen consumed, how many Kj of energy expenditure is recieved?
Respuesta
-
14
-
12.7
-
13.6
-
11
Pregunta 29
Pregunta
Direct method for quantifying digestibility is: control of feed intake & collection of faecal losses corresponding to the amount eaten
Respuesta
- True
- False
Pregunta 30
Pregunta
An inert marker for indirect quantification of digestibility must be:
Respuesta
-
Without any physiological or behavioral effects
-
neither absorbed or metabolised
-
small
-
an appropriate color
-
easily and rapidly measured
Pregunta 31
Pregunta
Indirect method of digestibility sampling relies on collection of representative samples of faeces. how is this done?
Respuesta
-
Stripping/abdominal pressure
-
Collecting faeces from bottom of tank
-
Dissection
-
Anal Suction
Pregunta 32
Pregunta
Digestion variation: methodological factors to take into account
Respuesta
-
Number of replicates
-
frequency of feed distribution
-
Palatibility
-
Adaptation time of fish
-
Fish size
-
Water temperature
-
pH and salinity
-
Ingestion levels
Pregunta 33
Pregunta
Excess amino acids are stored in tissues in the body
Respuesta
- True
- False
Pregunta 34
Pregunta
Different forms of Ammoniagenesis
Respuesta
-
Uricolysis
-
Ureagenesis
-
Purine Nucleotide breakdown
-
Amino acid catabolism: deamination and transdeamination
Pregunta 35
Pregunta
Different forms of Ureagenesis
Respuesta
-
Ornithine Urine Cycle
-
Purine nucleotide breakdown
-
Arginine Breakdown
-
Uricolysis
-
Amino acid deamination
Pregunta 36
Respuesta
-
Uric Acid
-
Allantoin
-
Allantoic acid
-
Urea and glyoxil acid
-
NH3
Pregunta 37
Pregunta
Forms of N excretion in Vertebrates
Respuesta
-
Uric Acid
-
Uricotelic
-
Ammoniotelic
-
Urea
-
Ureotelic
Pregunta 38
Respuesta
-
Growth
-
Body Protein
-
FAA Pool
-
Oxidation/Catabolism
Pregunta 39
Pregunta
This isn't even a question... just look at it....
The answer is: Nutrition is lame
Image:
Image (image/png)
Respuesta
-
Nutrition is lame
Pregunta 40
Respuesta
-
Faeces
-
Absorption
-
Oxidation
-
Synthesis
-
Amino Acids
Pregunta 41
Pregunta
Poor carb utilization in fish can lead to an intolerance to glucose, why?
Respuesta
-
Poor feed quality
-
Low insulin release
-
Feed the wrong size
-
Low number of insulin receptors in muscle
-
Absence of glucose transporters in muscle
-
Not enough starch
-
Poor regulation of hepatic glucose metabolism
Pregunta 42
Pregunta
20:5(n-3) is what?
Respuesta
-
DHA
-
Oleic acid
-
EPA
-
Linoleique
Pregunta 43
Pregunta
22:6(n-3) is what?
Respuesta
-
Linolenique
-
EPA
-
DHA
-
Palmitic
Pregunta 44
Pregunta
Fat soluble Vitamins are?
Respuesta
-
A
-
B6
-
C
-
D
-
E
-
B12
-
K
Pregunta 45
Pregunta
Sites of synthesis and deposition for lipogenesis
Respuesta
-
Spleen and Liver
-
Liver and adipose tissue
-
Muscle and organs
-
Liver and Muscle
Pregunta 46
Pregunta
Protein Sources in fish feed
Respuesta
-
Marine hydrolisates
-
Starch
-
Animal processed by-products
-
Plant meals
-
Animal Fat
-
Fish meals
Pregunta 47
Pregunta
Lipid sources in fish feeds
Respuesta
-
Marine oils - fish, krill etc
-
Cereals
-
Rapeseed, sunflower, soy
Pregunta 48
Pregunta
Problems with soybean include:
Respuesta
-
High Price
-
Low in Met and Lys
-
Post-extrusion fat absorption
-
High ANFs
Pregunta 49
Pregunta
Protein plant sources: processing benefits
Respuesta
-
Better palatibility
-
Faster Sinking Rate
-
More expansion potential for floating diets
-
Reduced ingredient costs
-
Applicable at higher temps
-
More binding potential for improved durability
Pregunta 50
Pregunta
Characteristics of single celled proteins
Respuesta
-
Can consist of bacteria, yeasts, other fungi or algae
-
Low Price
-
Low in Met and Cys
-
Efficient process of eliminating nucleic acid as uric acid
Pregunta 51
Pregunta
Starch is an important nutritional source in fish and provides expansion and improves binding and pellet durability
Respuesta
- True
- False
Pregunta 52
Pregunta
The general problem with pigmentation in feed is the low retention rates
Respuesta
- True
- False
Pregunta 53
Pregunta
Ways to reduce suspended matter?
Respuesta
-
Better AA availability
-
Changing feeding methods and strategies
-
Higher P sources
-
Quality of feed ingredients
Pregunta 54
Pregunta
Factors affecting voluntary feed intake:
Respuesta
-
Pigmentation
-
Temperature
-
Palatability
-
Fish Size
Pregunta 55
Pregunta
How to reduce N losses?
Respuesta
-
Adapt feed distribution to fish appetite
-
Choose proper protein sources to obtain an ideal dietary amino acid profile
-
Make pellets float better
-
Optimize phosphorus levels
Pregunta 56
Pregunta
How to reduce phosphorus losses?
Respuesta
-
Increase excess dietary P
-
Feed distribution should match fish appetite
-
Use dietary ingredients with high P bio-availability
-
Increase binders
Pregunta 57
Pregunta
Potential problems for implementing IMTA to reduce nutrients
Respuesta
-
Fish might escape and eat other species
-
Legal issues with different species in one location etc
-
Shellfish cannot take up organic nutrients
-
Seaweed isn't edible
Pregunta 58
Pregunta
Of the 176 differently expressed genes, how many are involved in metabolism?
Respuesta
-
60%
-
52%
-
48%
-
57%
Pregunta 59
Pregunta
Flesh lipid content, flesh n3 LC PUFA is found to be a highly heritable trait
Respuesta
- True
- False
Pregunta 60
Pregunta
Arriana overall objectives:
Respuesta
-
Reduce the overall cost of aquaculture production
-
Develop sustainable alternative aquaculture feeds while reducing FM and FO
-
To increase palatibility of feeds for European species
-
To provide flexibility in the use of various ingredients in the formulation of feeds
Pregunta 61
Pregunta
Reduction of fish meal and fish oil in feeds have no trans-generational effects
Respuesta
- True
- False
Pregunta 62
Pregunta
Early feeding exposure can lead to changes in phenotype of adult fish
Respuesta
- True
- False
Pregunta 63
Pregunta
We can prepare fish for novel feeds by Induction and persistency of an altered nutritional phenotype and exposure to a nutritional stimuli at early life stages of high metabolic plasticity
Respuesta
- True
- False
Pregunta 64
Pregunta
Problems with increasing the use of "omics" technologies
Respuesta
-
quantifying responses is difficult at the biological level
-
Comparisons between species / studies are difficult
-
Studies to separate the effects of specific nutrients from those due to ingredients themselves are needed
Pregunta 65
Pregunta
Reliable biomarkers are needed for:
Respuesta
-
Increasing palatability
-
Growth, Feed utilization / Nutrient utilization efficiency
-
Monitoring the effects of temperature on feed
-
Analysis of biological consequences
Pregunta 66
Respuesta
-
Endogenous Losses
-
Maintenance
-
Max Growth
Pregunta 67
Respuesta
-
Feed Loss
-
Metabolic Loss
-
Faecal loss
Pregunta 68
Pregunta
How to calculate growth prediction based on water temperature and body size in Shrimp
Respuesta
-
Calculate specific daily growth rate
-
Evaluate Thermal Unit Growth Coefficient
-
Predict weight gain
-
Guess
-
Other factors such as genotype, husbandry practices and feed quality
Pregunta 69
Pregunta
Problems with shrimp nutrition
Respuesta
-
Affects pigmentation negatively
-
Our knowledge on nutrient requirements limited
-
Shrimp don't like the taste
-
Feed technology and feeding strategies need further refinement
-
Need to reduce the pressure on marine ingredients
Pregunta 70
Pregunta
Benefits of using information technology in aquaculture
Respuesta
-
Product looks better
-
Lower Production costs
-
Data can be shared with other companies
-
Improved operational efficiency
-
Improved product quality
Pregunta 71
Pregunta
Benefits of Data Mining
Respuesta
-
Have data for immediate use
-
Transform data into knowledge, and use this knowledge to improve efficiency and increase profitability.
-
Models are based on historical data so very accurate
-
Helps companies to identify systematic relationships
Pregunta 72
Respuesta
-
Andreas
-
Dimos
Pregunta 73
Pregunta
Assumptions of absolute growth rate AGR = (Wt-Wi) / t
Respuesta
-
AGR is the same regardless of fish size
-
Linear relationship between weight and time
-
Allows comparisons between treatments with fish of different initial sizes
-
Assumes that fish weight increases exponentially
Pregunta 74
Pregunta
Assumptions of relative growth rate RGR = ((Wt-Wi) / Wi) x 100
Respuesta
-
Assumes that fish weight increases exponentially
-
The length (L) - weight (W) relationship is W ∝ L3
-
Restricted to the length of time for which it was computed and cannot easily be converted to another time period
-
Allows comparisons between treatments with fish of different initial sizes
Pregunta 75
Pregunta
Assumptions of specific growth rate SGR = ((lnWt - lnWi) / t) x 100
Respuesta
-
Is the same regardless of fish size.
-
Assumes that fish weight increases exponentially – useful for reporting the growth of small fish
-
Restricted to the length of time for which it was computed and cannot easily be converted to another time period
Pregunta 76
Respuesta
-
Is the same regardless of fish size.
-
Growth in length is constant over time (i.e. L increases linearly over time).
-
Assumes that fish weight increases exponentially
-
The length (L) - weight (W) relationship is W ∝ L3
Pregunta 77
Respuesta
-
Allows comparisons between treatments with fish of different initial sizes
-
Similar to DGC
-
Can be used to make predictions about how big a fish would be at different temperatures
-
Linear relationship between weight and time
-
Growth increases in a steady and predictable manner with increasing temperature
Pregunta 78
Pregunta
What is the Von Bertalanffy growth function ?
Respuesta
-
Image:Image (image/png)
-
Image:Image (image/png)
-
Image:Image (image/png)
-
Image:Image (image/png)
Pregunta 79
Respuesta
-
Structure
-
Reproductive
Pregunta 80
Respuesta
-
Feeding
-
Defecation
-
Assimilation
-
Growth
-
Development / Reproduction
Pregunta 81
Pregunta
Principles of experimental design include
Respuesta
-
Size
-
Replication
-
Pseudo-replication
-
Blinding
-
Randomization
-
Transparency
-
Controls
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