問題一覧
1
What is the process by which unspecialized cells become specialized and take on specific functions in a plant?
differentiation
2
Which of the following is a morphological adaptation that enables plants to conserve water in arid enviroments?
all of the above
3
Which of the following is a biochemical adaptation that enables plants to tolerate high salt concentrations in soil?
production of osmoprotectants
4
The signaling molecule for flowering might be released earlier than usual in a long-day plant exposed to flashes of
red light during the night
5
Which of the following is a physiological adapatation that enables plants to survive in low light conditions
increased photosynthetic efficiency
6
What type of movement occurs when plant grows towards or away from a directional stimulus?
tropic movement
7
Which type of tropism occurs when a plant grows towards a source of light?
phototropism
8
What type of movement occurs in response to external stimuli but is not oriented in a specific direction?
nastic movement
9
Which type of tropism occurs when a plant grows in response to touch or mechanical stimulus?
thigmotropism
10
Which type of movement occurs in response to changes in turgor pressure in plant cells?
nastic movement
11
Which type of tropic movement occurs when a plant grows in response to gravity?
geotropism
12
Which type of nastic movement occurs in response to a decrease in temperature?
thermonastic movement
13
What type of movement occurs when a plant rapidly folds its leaves in response to touch or vibration?
seismonastic movement
14
Which type of tropism occurs when a plant grows in response to water?
hydrotropism
15
What type of nastic movement occurs in response to changes in light-dark cycles?
nyctinastic movement
16
Which type of tropism occurs when a plant grows in response to a chemical gradient?
chemotropism
17
What type of nastic movement occurs in response to the touch of a pollinator, leading to the release of pollen?
thigmonastic movement
18
What are the special cells in rice plants that allow them to adjust to varying levels of O2 in the growth medium?
aerenchyma cells
19
What is an optimum environment for crop growth and development?
one that poses a minimum constraints
20
What is the effective wavelenght for photoperiodism
far red and red
21
What is the difference between tropic and nastic movement in plants?
tropic movements are directional responses to external stimuli, while nastic movements are non-directional
22
Which plant hormone is responsible for promoting cell elongation and stem growth?
gibberellin
23
Which plant hormone is involved in promoting root development and lateral root formation?
auxin
24
Which plant hormone is responsible for controlling seed germination and breaking dormancy?
gibberellin
25
Which plant hormone is associated with leaf abscission (leaf drop)?
ethylene
26
Which plant hormone is involved in regulating the closing of stomata and reducing water loss?
abscisic acid
27
Which plant hormone is responsible foe promoting fruit ripening?
ethylene
28
Which plant hormone is involved in promoting lateral bud growth and inhibiting apical dominance?
cytokinin
29
Which plant hormone is responsible for regulating phototropism (bending towards light)?
auxin
30
Which plant hormone is involved in promoting cell division and tissue differentiation?
cytokinin
31
Which plant hormone is associated with senescence (aging) and leaf yellowing?
ethylene
32
This phytohormone stimulates stem elongation and promotes bolting in long day plants?
gibberellic acid
33
This phytohormone promotes ripening of climacteric fruits and leaf and fruit abscission
ethylene
34
This phytohormone promotes cell enlargement and cell division in the cambium in tissue culture and stimulates root initiation in cuttings
auxin
35
Smudging of mango trees induces flowering due to the production of this hormone
ethylene
36
Apical dominance is a phenomenon wherein lateral buds are dormant in the presence of terminal buds is affected by
auxins
37
This refers to the short piece of detached shoot with one to several dormant buds and which is to become the upper portion of graft combination
scion
38
An asexual propagation technique in which plants are made to unite while growing on their roots.
inarching
39
It is a form of artificial vegetative propagation which joins two plant parts with objective of uniting them so they can continue to grow as one.
grafting
40
What is the main advantage of asexual plant propagation in crop production compared to sexual reproduction?
Faster propagation and uniformity of offspring
41
Which asexual propagation method involves dividing the parent plant into two or more sections, each with a portion of the root system?
division
42
Which asexual propagation technique involves the insertion of a bud from the desired plant onto the stem or rootstock of another plant?
budding
43
Which method of asexual plant propagation involves the removal of a stem from the parent plant and planting it to develop roots and form a new plant?
cuttings
44
Which type of plant propagule is an above-ground horizontal stem that grows along the soil surface and develops new roots and shoots at the nodes?
stolon
45
Which type of plant propagule is an underground horizontal stem that produces roots and shoots at the nodes and gives rise to new plants?
rhizome
46
Which type of plant propagule is an underground storage stem that gives rise to new plants and stores nutrients?
tuber
47
Which type of plant propagule is a lateral shoot that arises from the base of the stem or from below the soil surface and develops into a new plant?
sucker
48
What is the primary objective of site characterization in agriculture?
Identifying site limitations
49
Which of the following is NOT a typical soil property assessed during site evaluation?
Crop yield potential
50
What is the purpose of a topographic survey during site evaluation?
Identifying slope and elevation
51
Which tool allows for the integration and analysis of spatial data, such as soil and climate information, for site characterization and evaluation?
GIS (Geographic Information System)
52
It is the process of preparing the soil for planting, thereby providing good physical, chemical and biological conditions that would permit optimum plant growth.
Land preparation
53
A system of land preparation where plowing and harrowing are done in dry or moist condition
upland
54
A unique component of lowland or wetland system of land
flooding
55
The most aggressive tillage operation
plowing
56
The Father of Modern Tillage
Jethro Tull
57
Which water management practice aims to remove excess water from the soil to prevent waterlogging?
drainage
58
Which water management practice involves reducing water loss through the soil surface by covering it with a layer of organic or synthetic material?
mulching
59
The lowland system of preparing the soil results in this physical change
Macropores are lost and only micropores prevail
60
What do you call the process of exposing young plants slowly to the outdoor environment?
hardening
61
What is the term for the removal of off-type or diseased plants from a garden or crop?
rouging
62
What is the practice of transferring seedlings from overcrowded containers to another container called?
pricking
63
What is the technique of providing structural support to plants so that stems, leaves, or fruits are kept away from the ground and exposed to sunlight?
trellising
64
What is the method of stimulating latex production in old rubber trees by using Ethrel called?
latex stimulation
65
What is the term for the removal of some fruits to minimize inter-fruit nutrient and assimilate competition?
fruit thinning
66
What do you call the process of removing unnecessary suckers from the base of banana or abaca plants?
desuckering
67
What is the practice of wrapping fruits individually or as a group with materials like newspaper or jute sack to prevent damage from pests, diseases, and strong winds?
fruit bagging
68
What is the term for the technique involving bending, twisting, and tying of plants to support structures?
training
69
What is the method of providing support to bunches or stalks which tend to bend due to heavy loads of fruits?
propping
70
What is the term for the removal of plant parts to attain a specific objective, such as preventive, formative, or corrective purposes?
pruning
71
What do you call the rows of trees or shrubs that protect crops from strong winds?
windbreak
72
What is the practice of growing a new crop out of the shoots arising from the previous crop called?
ratooning
73
What is the term for the removal of flowers on young woody plants to promote full canopy development?
deblossoming
74
What is the technique of hacking or using smoky fires to induce flowering in plants, specifically mango trees?
smudging
75
What method involves the application of fertilizer in a strip beneath and to the side of the location of the seed during seeding?
band application
76
What is the process of applying lime to correct soil acidity called?
liming
77
Which method involves the placement of fertilizer along the rows near the base of the plant?
localized placement
78
The water fern that grows symbiotically with blue-green algae and can produce 30T/ha in one growing season, equivalent to 150kg of N/ha?
azolla
79
What method involves the dissolving of fertilizer material in water and applying it as a spray to plants?
foliar application
80
What is the process of applying water in small droplets, requiring a smaller volume of water and adopted in various slopes and soils?
sprinkler system
81
Which factor partly determines the availability of nutrients in the soil solution?
pH of the solution
82
What is the method where water is directly applied on the soil surface over the root zone, forming a basin?
basin method
83
Which method delivers water through a network of pipes attached to drippers or nozzles and can be combined with fertilization and pesticide application?
drip system or trickle method
84
What is the term for the loss and displacement of fertile topsoil caused by extreme wind speeds or rainfall and runoff?
soil erosion
85
What is the term for the process of hastening the peel color change from green to orange or yellow of citrus fruits which have attained full flavor and aroma?
degreening
86
What do you call the process of cutting or killing potato vines a week before harvesting?
dehaulming
87
What is the term for the classification of a commodity into groups according to a set of recognized criteria of quality and size?
grading
88
Which term refers to the rapid cooling of a commodity to a desired transit or storage temperature soon after harvesting before it is stored or moved in transit?
precooling
89
What is the term for the removal of leaf sheaths in abaca plants?
topping
90
What do you call the process of separating the strong mechanical bundles from the weaker fibrovascular bundles?
tuxying
91
What is the term for the practice of applying a thin film of surface coating to fruits and vegetables for protection?
waxing
92
Which method involves the movement of farm products or operations through which commodities undergo from harvest to possession by the final consumer?
postharvest handling
93
What is the term for the process of toughening and self-healing of bruises and skinned areas in root and tuber crops?
curing
94
Which method aims to prolong the shelf-life of perishables by using the heat given off during respiration to evaporate water, resulting in a drop in temperature and an increase in relative humidity?
evaporative cooling
95
Which province is known for producing Chrysanthemum, Gladiola, and Roses?
Benguet
96
Tobacco cultivation is a prominent agricultural activity in which province?
Ilocos Sur
97
Which province is known for growing Cashew trees?
Palawan
98
In which province is Ube, a popular purple yam, primarily cultivated?
Bohol
99
Sugarcane farming is a significant industry in which province?
Negros Occidental
100
Which province is known for its production of Cacao, the source of chocolate?
Davao del Sur
CropSc 01
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Anne Ranay · 100問 · 1年前CropSc 01
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CropSc 02
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CropSci 06 UPSTEP
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CropSci 06 UPSTEP
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AgEcon 04 UpStep
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AgEcon 04 UpStep
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28問 • 1年前zenguru + upstep
zenguru + upstep
Anne Ranay · 25問 · 1年前zenguru + upstep
zenguru + upstep
25問 • 1年前問題一覧
1
What is the process by which unspecialized cells become specialized and take on specific functions in a plant?
differentiation
2
Which of the following is a morphological adaptation that enables plants to conserve water in arid enviroments?
all of the above
3
Which of the following is a biochemical adaptation that enables plants to tolerate high salt concentrations in soil?
production of osmoprotectants
4
The signaling molecule for flowering might be released earlier than usual in a long-day plant exposed to flashes of
red light during the night
5
Which of the following is a physiological adapatation that enables plants to survive in low light conditions
increased photosynthetic efficiency
6
What type of movement occurs when plant grows towards or away from a directional stimulus?
tropic movement
7
Which type of tropism occurs when a plant grows towards a source of light?
phototropism
8
What type of movement occurs in response to external stimuli but is not oriented in a specific direction?
nastic movement
9
Which type of tropism occurs when a plant grows in response to touch or mechanical stimulus?
thigmotropism
10
Which type of movement occurs in response to changes in turgor pressure in plant cells?
nastic movement
11
Which type of tropic movement occurs when a plant grows in response to gravity?
geotropism
12
Which type of nastic movement occurs in response to a decrease in temperature?
thermonastic movement
13
What type of movement occurs when a plant rapidly folds its leaves in response to touch or vibration?
seismonastic movement
14
Which type of tropism occurs when a plant grows in response to water?
hydrotropism
15
What type of nastic movement occurs in response to changes in light-dark cycles?
nyctinastic movement
16
Which type of tropism occurs when a plant grows in response to a chemical gradient?
chemotropism
17
What type of nastic movement occurs in response to the touch of a pollinator, leading to the release of pollen?
thigmonastic movement
18
What are the special cells in rice plants that allow them to adjust to varying levels of O2 in the growth medium?
aerenchyma cells
19
What is an optimum environment for crop growth and development?
one that poses a minimum constraints
20
What is the effective wavelenght for photoperiodism
far red and red
21
What is the difference between tropic and nastic movement in plants?
tropic movements are directional responses to external stimuli, while nastic movements are non-directional
22
Which plant hormone is responsible for promoting cell elongation and stem growth?
gibberellin
23
Which plant hormone is involved in promoting root development and lateral root formation?
auxin
24
Which plant hormone is responsible for controlling seed germination and breaking dormancy?
gibberellin
25
Which plant hormone is associated with leaf abscission (leaf drop)?
ethylene
26
Which plant hormone is involved in regulating the closing of stomata and reducing water loss?
abscisic acid
27
Which plant hormone is responsible foe promoting fruit ripening?
ethylene
28
Which plant hormone is involved in promoting lateral bud growth and inhibiting apical dominance?
cytokinin
29
Which plant hormone is responsible for regulating phototropism (bending towards light)?
auxin
30
Which plant hormone is involved in promoting cell division and tissue differentiation?
cytokinin
31
Which plant hormone is associated with senescence (aging) and leaf yellowing?
ethylene
32
This phytohormone stimulates stem elongation and promotes bolting in long day plants?
gibberellic acid
33
This phytohormone promotes ripening of climacteric fruits and leaf and fruit abscission
ethylene
34
This phytohormone promotes cell enlargement and cell division in the cambium in tissue culture and stimulates root initiation in cuttings
auxin
35
Smudging of mango trees induces flowering due to the production of this hormone
ethylene
36
Apical dominance is a phenomenon wherein lateral buds are dormant in the presence of terminal buds is affected by
auxins
37
This refers to the short piece of detached shoot with one to several dormant buds and which is to become the upper portion of graft combination
scion
38
An asexual propagation technique in which plants are made to unite while growing on their roots.
inarching
39
It is a form of artificial vegetative propagation which joins two plant parts with objective of uniting them so they can continue to grow as one.
grafting
40
What is the main advantage of asexual plant propagation in crop production compared to sexual reproduction?
Faster propagation and uniformity of offspring
41
Which asexual propagation method involves dividing the parent plant into two or more sections, each with a portion of the root system?
division
42
Which asexual propagation technique involves the insertion of a bud from the desired plant onto the stem or rootstock of another plant?
budding
43
Which method of asexual plant propagation involves the removal of a stem from the parent plant and planting it to develop roots and form a new plant?
cuttings
44
Which type of plant propagule is an above-ground horizontal stem that grows along the soil surface and develops new roots and shoots at the nodes?
stolon
45
Which type of plant propagule is an underground horizontal stem that produces roots and shoots at the nodes and gives rise to new plants?
rhizome
46
Which type of plant propagule is an underground storage stem that gives rise to new plants and stores nutrients?
tuber
47
Which type of plant propagule is a lateral shoot that arises from the base of the stem or from below the soil surface and develops into a new plant?
sucker
48
What is the primary objective of site characterization in agriculture?
Identifying site limitations
49
Which of the following is NOT a typical soil property assessed during site evaluation?
Crop yield potential
50
What is the purpose of a topographic survey during site evaluation?
Identifying slope and elevation
51
Which tool allows for the integration and analysis of spatial data, such as soil and climate information, for site characterization and evaluation?
GIS (Geographic Information System)
52
It is the process of preparing the soil for planting, thereby providing good physical, chemical and biological conditions that would permit optimum plant growth.
Land preparation
53
A system of land preparation where plowing and harrowing are done in dry or moist condition
upland
54
A unique component of lowland or wetland system of land
flooding
55
The most aggressive tillage operation
plowing
56
The Father of Modern Tillage
Jethro Tull
57
Which water management practice aims to remove excess water from the soil to prevent waterlogging?
drainage
58
Which water management practice involves reducing water loss through the soil surface by covering it with a layer of organic or synthetic material?
mulching
59
The lowland system of preparing the soil results in this physical change
Macropores are lost and only micropores prevail
60
What do you call the process of exposing young plants slowly to the outdoor environment?
hardening
61
What is the term for the removal of off-type or diseased plants from a garden or crop?
rouging
62
What is the practice of transferring seedlings from overcrowded containers to another container called?
pricking
63
What is the technique of providing structural support to plants so that stems, leaves, or fruits are kept away from the ground and exposed to sunlight?
trellising
64
What is the method of stimulating latex production in old rubber trees by using Ethrel called?
latex stimulation
65
What is the term for the removal of some fruits to minimize inter-fruit nutrient and assimilate competition?
fruit thinning
66
What do you call the process of removing unnecessary suckers from the base of banana or abaca plants?
desuckering
67
What is the practice of wrapping fruits individually or as a group with materials like newspaper or jute sack to prevent damage from pests, diseases, and strong winds?
fruit bagging
68
What is the term for the technique involving bending, twisting, and tying of plants to support structures?
training
69
What is the method of providing support to bunches or stalks which tend to bend due to heavy loads of fruits?
propping
70
What is the term for the removal of plant parts to attain a specific objective, such as preventive, formative, or corrective purposes?
pruning
71
What do you call the rows of trees or shrubs that protect crops from strong winds?
windbreak
72
What is the practice of growing a new crop out of the shoots arising from the previous crop called?
ratooning
73
What is the term for the removal of flowers on young woody plants to promote full canopy development?
deblossoming
74
What is the technique of hacking or using smoky fires to induce flowering in plants, specifically mango trees?
smudging
75
What method involves the application of fertilizer in a strip beneath and to the side of the location of the seed during seeding?
band application
76
What is the process of applying lime to correct soil acidity called?
liming
77
Which method involves the placement of fertilizer along the rows near the base of the plant?
localized placement
78
The water fern that grows symbiotically with blue-green algae and can produce 30T/ha in one growing season, equivalent to 150kg of N/ha?
azolla
79
What method involves the dissolving of fertilizer material in water and applying it as a spray to plants?
foliar application
80
What is the process of applying water in small droplets, requiring a smaller volume of water and adopted in various slopes and soils?
sprinkler system
81
Which factor partly determines the availability of nutrients in the soil solution?
pH of the solution
82
What is the method where water is directly applied on the soil surface over the root zone, forming a basin?
basin method
83
Which method delivers water through a network of pipes attached to drippers or nozzles and can be combined with fertilization and pesticide application?
drip system or trickle method
84
What is the term for the loss and displacement of fertile topsoil caused by extreme wind speeds or rainfall and runoff?
soil erosion
85
What is the term for the process of hastening the peel color change from green to orange or yellow of citrus fruits which have attained full flavor and aroma?
degreening
86
What do you call the process of cutting or killing potato vines a week before harvesting?
dehaulming
87
What is the term for the classification of a commodity into groups according to a set of recognized criteria of quality and size?
grading
88
Which term refers to the rapid cooling of a commodity to a desired transit or storage temperature soon after harvesting before it is stored or moved in transit?
precooling
89
What is the term for the removal of leaf sheaths in abaca plants?
topping
90
What do you call the process of separating the strong mechanical bundles from the weaker fibrovascular bundles?
tuxying
91
What is the term for the practice of applying a thin film of surface coating to fruits and vegetables for protection?
waxing
92
Which method involves the movement of farm products or operations through which commodities undergo from harvest to possession by the final consumer?
postharvest handling
93
What is the term for the process of toughening and self-healing of bruises and skinned areas in root and tuber crops?
curing
94
Which method aims to prolong the shelf-life of perishables by using the heat given off during respiration to evaporate water, resulting in a drop in temperature and an increase in relative humidity?
evaporative cooling
95
Which province is known for producing Chrysanthemum, Gladiola, and Roses?
Benguet
96
Tobacco cultivation is a prominent agricultural activity in which province?
Ilocos Sur
97
Which province is known for growing Cashew trees?
Palawan
98
In which province is Ube, a popular purple yam, primarily cultivated?
Bohol
99
Sugarcane farming is a significant industry in which province?
Negros Occidental
100
Which province is known for its production of Cacao, the source of chocolate?
Davao del Sur