CropSc 02

100問 • 1年前

問題一覧

Growth is manifested in the increase in the girth of the trunk. This growth is due to the division of a meristematic tissue called a

vascular cambium

The capacity of a cell cultured in vitro to regenerate into a plant

totipotency

Production of various organs such as roots, shoot etc. from cells and tissue

organogenesis

The plant part to be cultured in vitro is known as

explant

Removal of developing embryo from seed and its cultivation in vitro is called

embryo cultures

The cultivation of apical meristems, particularly of shoot and apical meristem is known as

meristem culture

Vegetative multiplication through meristem culture is known as

mericloning

The implantation of a meristem from another plant to a plantlet or sterile plant in

micrografting

This refers to a group of cells, tissue or plant derived from a single mother cell, tissue or plant through asexual means and is expected to be genetically identical

clone

A standard procedure of testing whether plant or plant tissue carry known diseases or not

disease indexing

A substance whether natural or synthetic that can modify growth

growth regulator

A planting originating from meristem or other organ isolated in vitro

protocorm

The clonal true-to-type rapid propagation of plants in vitro is

micropropagation

A sterile plant with a functional roots and shoots developed in vitro is

plantlet

The increased genetic variability brought about by tissue culture

somaclonal variation

Group of plant hormone that induces cell elongation and cell division

gibberellins

Any organic substance at low concentrations, promotes inhibits or modifies growth

hormone

Actively dividing non-organized tissues of undifferentiated and differentiated cells often developing from injury (wounding) or in tissue cultures

callus

Organic compounds serving as a source of energy, including sugars, starches, and cellulose

carbohydrates

The development of cells or tissues with a specific function and/or the regeneration of organs or organ-like structure (roots,shoots, etc) or embryo

differentiation

Is the phenomena that, after a number of subcultures, cells can grow without the addition of hormones, although this was originally necessary

habituation

An undesirable phenomenon that sometime develops in culture appearing as overly succulent, crip water-logged or glassy tissues

oxidation

Combining together a root stock and scion until they unite permanently

grafting

Example of plant propagated by root cutting

guava

Air layering is also known as

marcotting

In cleft grafting the wedge is located at the

root stock

Inarching is also known as

grafting by approach

For rapid rate of multiplication the type of propagation generally practiced is

micropropagation

Method of plant propagation for discovery of new variety

tissue propagation

The easiest method of artificial propagation

cutting

Type of germination when the cotyledon comes above the ground

epigeal

The type of germination when the cotyledon comes above the ground

epigeal

The treatment that removes the seed coat or alter it making it permeable to water

scarification

The placement of seeds between layers of either moist, sand, soil, or sawdust at light or low temperature so the action of water high and low temperature will soften the seedcoat

stratification

Term used to describe seeds of some plants that could be kept viable for longer periods, provided they are properly dried and stored

orthodox

Term used to describe seeds od plants that could not be kept viable for a long time. It cannot withstand drying and should not permit to dry out before planting

recalcitrant

Another term for propagating material

propagules

Slender specialized aerial stem that grows horizontally along the ground from the leaf axil at the base or crown that produce roots and leaf at the near tip

runner/stolon

Method of artificial vegetative propagation involving regeneration of severed plant part (roots, leafs or stem, from the parent plant)

cutting

Type of cuttings consist of leaf blade, petiole, and short piece of the stem with an axillary bud

leaf bud

Type of grafting for overgrown stocks too large for other grafting operation

whip and tongue

An specialized form of grafting in which a single detached bud is used as the scion

budding

Method of artificial propagation when the plant part to be rooted is still attached from the parent plant which supplies the nutrients and moisture while the parts is rooting.

layering

This type of layering was originated by the Chinese centuries ago

air layering

Method of artificial plant propagation when rootstock and scion are made to unite while both of them are still growing on their own roots

inarching

Sexual propagation is also known as

seed propagation

Marcotting is a method of

vegetative propagation

Propagation which preserve the characteristers of the parent plant

asexual

A properly dried seed can be stored for longer duration with high germination

sealed tin cans

An example of recalcitrant seeds

avocado

It is not an example of classes of seed recognized by the Philippines Seed Certification scheme

good seed

Cabbage, onion, carrots require

vernalization

An example of biennial vegetable crop is

onion

Which is not included as rogues in seed production

plants that are genetically pure and conform with the standard of the variety intended for reproduction

Theoretically, crops intended for seed production shall be harvested at the point of

physiological maturity

Under the Philippine condition, what character is not routinely analyzed in the seed testing laboratory to become a certified seed

incidence of seedborne diseased

The inability of a viable seeds to germinate under favorable conditions

seed dormancy

An example of monoecious plant

corn

The scientist who formulated the Rule of Thumb in seed storage of seeds is

Harrington

The best seed storage temperature for orthodox seeds at relatively low humidity is

15°C

Who is not the member of the National Seed Industry Council (the former Philippine Seedboard)?

Bureau of Post harvest Research and Extension Director

Crops that normally produce quality seeds in temperate countries

cabbage

The germination percentage of tomato after seed testing was 96 percent,therefore, the class of tomato seed is

good seed

In purity analysis of the seeds, pure seeds includes

all of the above

What moisture content of the seed inhibit insect activity or little insect activity?

below 8-9%

A white tag shall be attached to the bag of

breeder seed

An example of crop that needs light in order to germinate is

mungbean

Is the removal of water from the soil through surface run-off by flow through the soil to underground spaces

soil drainage

This law changed National Seed Industry Council to the Philippine Seedboard to the National Seed Industry Council as per Republic Act No

RA 7308 since March 27, 1992

In seed production, roguing shall be done several times at different stages of the crop development however, the best time is when the crop is in

full bloom

The class of seed which is considered the purest in terms of varietal purity is

breeder seed

The tilling of the soil when it is saturated with water

wet land or low land preparation

It refers to the traditional system which begins with a primary tillage operation followed by several secondary tillage operations

maximum or conventional tillage

Characterictics of a well prepared lowland field

weeds, rice straw and stubble, which have been tilled under, are thoroughly decayed. The soil is well puddled and leveled for uniform distribution of water

The seeds are treated with fungicide before planting to protect them from soil-borne diseases that can cause poor seedling stand

seed treatment

It is a usual method employed by farmers in planting the seeds evenly into the field

broadcast method

Seedlings of rice on wet bed method are ready for transplanting in

25-30 days

Planting the seeds by distributing them individually in the row is called

drill planting

Method of raising rice seedling where pre-germinated seeds are sown on cement or puddle soil covered with banana leaves or polyethylene plastic sheet. The raised seedlings are ready for transplanting in 10-14 days

Dapog method

A process done on the seedling which is started at 7 to 10 days before transplanting in which the seedlings are exposed to full sunlight and temporary wilting

hardening

A process done at 7 to 10 days before the vegetable seedlings are transplanted in which the full depth of the soil is cut with knife into blocks 5cm x 5cm to confine the roots in separate blocks

blocking

What is the germination percentage of corn,if only 180 normal seedling has germinated out of the 200 seed sown

90%

The recommended seeding rate of peanut is 90 kilogram per hectare. How many kilogram seed is needed if the germinationtest is only 80 percent

112.5

Corn will be planted at spaced 75cm between rows and 50 cm between hills and will be maintained at 2 plants per hill. What is the plant population per hectare?

53,333

Following are ecological classification of plants according to water relations, except

saprophytes

The following are commercial varities of cacao, except

hershey

Diseases of perennial crops may be found in the roots, leaves, flowers, and fruits. Fungicides are resorted to when

systemic fungicides are available to control anthracnose of flowers and fruits of mango

Which of the following horticultural crops that can be used in the control of insect pests

Capsicum annuum

What happens in the phloem

food moves down

Sciophytes are also known as

shade loving plants

"Cabuyao" is considered a variety of

garlic

In determining when to irrigate

using sand-cum-soil miniplot technique, when the plant crop in the miniplot shows wilting D

Rose-sinensis is the species of this common ornamental plant

gumamela

Which among these food crops is the most involved in the formulation of government policies on food security?

rice

Phototropism is a growth response to unidirectional light which is probably influenced by a particular growth hormone

indola acetic acid (IAA)

Dormancy is physiological effect of

abscissic acid

Magat, Pasig, and Peñananda are all varieties of

lowland rice

Phenotype is determined by

genotype, environment and genotype x environment

In seed germination, the zygote which gives rise to the embryo if formed by the fusion of A

sperm cell + egg cell

100

A rice floret has how many anthers

CropSc 01

Anne Ranay · 100問 · 1年前

CropSc 01

100問 • 1年前

Anne Ranay

Cropsci 03

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Cropsci 03

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AgEcon 01

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AgEcon 01

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Anne Ranay

SoilSc01

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SoilSc01

100問 • 1年前

Anne Ranay

AgEcon 02

Anne Ranay · 100問 · 1年前

AgEcon 02

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AgEcon 03

Anne Ranay · 100問 · 1年前

AgEcon 03

100問 • 1年前

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AnSci 01

Anne Ranay · 100問 · 1年前

AnSci 01

100問 • 1年前

Anne Ranay

AnSci 02

Anne Ranay · 100問 · 1年前

AnSci 02

100問 • 1年前

Anne Ranay

AgExt 01

Anne Ranay · 100問 · 1年前

AgExt 01

100問 • 1年前

Anne Ranay

CropProt 01

Anne Ranay · 100問 · 1年前

CropProt 01

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Anne Ranay

AnSci 03

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AnSci 03

100問 • 1年前

Anne Ranay

CropSci 04 UPSTEP

Anne Ranay · 100問 · 1年前

CropSci 04 UPSTEP

100問 • 1年前

Anne Ranay

CropSci 05 UPSTEP

Anne Ranay · 100問 · 1年前

CropSci 05 UPSTEP

100問 • 1年前

Anne Ranay

CropSci 06 UPSTEP

Anne Ranay · 100問 · 1年前

CropSci 06 UPSTEP

100問 • 1年前

Anne Ranay

AgEcon 04 UpStep

Anne Ranay · 100問 · 1年前

AgEcon 04 UpStep

100問 • 1年前

Anne Ranay

SoilSci 02

Anne Ranay · 53問 · 1年前

SoilSci 02

53問 • 1年前

Anne Ranay

Ansci 04

Anne Ranay · 100問 · 1年前

Ansci 04

100問 • 1年前

Anne Ranay

Ansci 05

Anne Ranay · 28問 · 1年前

Ansci 05

28問 • 1年前

Anne Ranay

zenguru + upstep

Anne Ranay · 25問 · 1年前

zenguru + upstep

25問 • 1年前

Anne Ranay

問題一覧

Growth is manifested in the increase in the girth of the trunk. This growth is due to the division of a meristematic tissue called a

vascular cambium

The capacity of a cell cultured in vitro to regenerate into a plant

totipotency

Production of various organs such as roots, shoot etc. from cells and tissue

organogenesis

The plant part to be cultured in vitro is known as

explant

Removal of developing embryo from seed and its cultivation in vitro is called

embryo cultures

The cultivation of apical meristems, particularly of shoot and apical meristem is known as

meristem culture

Vegetative multiplication through meristem culture is known as

mericloning

The implantation of a meristem from another plant to a plantlet or sterile plant in

micrografting

This refers to a group of cells, tissue or plant derived from a single mother cell, tissue or plant through asexual means and is expected to be genetically identical

clone

A standard procedure of testing whether plant or plant tissue carry known diseases or not

disease indexing

A substance whether natural or synthetic that can modify growth

growth regulator

A planting originating from meristem or other organ isolated in vitro

protocorm

The clonal true-to-type rapid propagation of plants in vitro is

micropropagation

A sterile plant with a functional roots and shoots developed in vitro is

plantlet

The increased genetic variability brought about by tissue culture

somaclonal variation

Group of plant hormone that induces cell elongation and cell division

gibberellins

Any organic substance at low concentrations, promotes inhibits or modifies growth

hormone

Actively dividing non-organized tissues of undifferentiated and differentiated cells often developing from injury (wounding) or in tissue cultures

callus

Organic compounds serving as a source of energy, including sugars, starches, and cellulose

carbohydrates

The development of cells or tissues with a specific function and/or the regeneration of organs or organ-like structure (roots,shoots, etc) or embryo

differentiation

Is the phenomena that, after a number of subcultures, cells can grow without the addition of hormones, although this was originally necessary

habituation

An undesirable phenomenon that sometime develops in culture appearing as overly succulent, crip water-logged or glassy tissues

oxidation

Combining together a root stock and scion until they unite permanently

grafting

Example of plant propagated by root cutting

guava

Air layering is also known as

marcotting

In cleft grafting the wedge is located at the

root stock

Inarching is also known as

grafting by approach

For rapid rate of multiplication the type of propagation generally practiced is

micropropagation

Method of plant propagation for discovery of new variety

tissue propagation

The easiest method of artificial propagation

cutting

Type of germination when the cotyledon comes above the ground

epigeal

The type of germination when the cotyledon comes above the ground

epigeal

The treatment that removes the seed coat or alter it making it permeable to water

scarification

The placement of seeds between layers of either moist, sand, soil, or sawdust at light or low temperature so the action of water high and low temperature will soften the seedcoat

stratification

Term used to describe seeds of some plants that could be kept viable for longer periods, provided they are properly dried and stored

orthodox

Term used to describe seeds od plants that could not be kept viable for a long time. It cannot withstand drying and should not permit to dry out before planting

recalcitrant

Another term for propagating material

propagules

Slender specialized aerial stem that grows horizontally along the ground from the leaf axil at the base or crown that produce roots and leaf at the near tip

runner/stolon

Method of artificial vegetative propagation involving regeneration of severed plant part (roots, leafs or stem, from the parent plant)

cutting

Type of cuttings consist of leaf blade, petiole, and short piece of the stem with an axillary bud

leaf bud

Type of grafting for overgrown stocks too large for other grafting operation

whip and tongue

An specialized form of grafting in which a single detached bud is used as the scion

budding

Method of artificial propagation when the plant part to be rooted is still attached from the parent plant which supplies the nutrients and moisture while the parts is rooting.

layering

This type of layering was originated by the Chinese centuries ago

air layering

Method of artificial plant propagation when rootstock and scion are made to unite while both of them are still growing on their own roots

inarching

Sexual propagation is also known as

seed propagation

Marcotting is a method of

vegetative propagation

Propagation which preserve the characteristers of the parent plant

asexual

A properly dried seed can be stored for longer duration with high germination

sealed tin cans

An example of recalcitrant seeds

avocado

It is not an example of classes of seed recognized by the Philippines Seed Certification scheme

good seed

Cabbage, onion, carrots require

vernalization

An example of biennial vegetable crop is

onion

Which is not included as rogues in seed production

plants that are genetically pure and conform with the standard of the variety intended for reproduction

Theoretically, crops intended for seed production shall be harvested at the point of

physiological maturity

Under the Philippine condition, what character is not routinely analyzed in the seed testing laboratory to become a certified seed

incidence of seedborne diseased

The inability of a viable seeds to germinate under favorable conditions

seed dormancy

An example of monoecious plant

corn

The scientist who formulated the Rule of Thumb in seed storage of seeds is

Harrington

The best seed storage temperature for orthodox seeds at relatively low humidity is

15°C

Who is not the member of the National Seed Industry Council (the former Philippine Seedboard)?

Bureau of Post harvest Research and Extension Director

Crops that normally produce quality seeds in temperate countries

cabbage

The germination percentage of tomato after seed testing was 96 percent,therefore, the class of tomato seed is

good seed

In purity analysis of the seeds, pure seeds includes

all of the above

What moisture content of the seed inhibit insect activity or little insect activity?

below 8-9%

A white tag shall be attached to the bag of

breeder seed

An example of crop that needs light in order to germinate is

mungbean

Is the removal of water from the soil through surface run-off by flow through the soil to underground spaces

soil drainage

This law changed National Seed Industry Council to the Philippine Seedboard to the National Seed Industry Council as per Republic Act No

RA 7308 since March 27, 1992

In seed production, roguing shall be done several times at different stages of the crop development however, the best time is when the crop is in

full bloom

The class of seed which is considered the purest in terms of varietal purity is

breeder seed

The tilling of the soil when it is saturated with water

wet land or low land preparation

It refers to the traditional system which begins with a primary tillage operation followed by several secondary tillage operations

maximum or conventional tillage

Characterictics of a well prepared lowland field

weeds, rice straw and stubble, which have been tilled under, are thoroughly decayed. The soil is well puddled and leveled for uniform distribution of water

The seeds are treated with fungicide before planting to protect them from soil-borne diseases that can cause poor seedling stand

seed treatment

It is a usual method employed by farmers in planting the seeds evenly into the field

broadcast method

Seedlings of rice on wet bed method are ready for transplanting in

25-30 days

Planting the seeds by distributing them individually in the row is called

drill planting

Dapog method

A process done on the seedling which is started at 7 to 10 days before transplanting in which the seedlings are exposed to full sunlight and temporary wilting

hardening

A process done at 7 to 10 days before the vegetable seedlings are transplanted in which the full depth of the soil is cut with knife into blocks 5cm x 5cm to confine the roots in separate blocks

blocking

What is the germination percentage of corn,if only 180 normal seedling has germinated out of the 200 seed sown

90%

The recommended seeding rate of peanut is 90 kilogram per hectare. How many kilogram seed is needed if the germinationtest is only 80 percent

112.5

Corn will be planted at spaced 75cm between rows and 50 cm between hills and will be maintained at 2 plants per hill. What is the plant population per hectare?

53,333

Following are ecological classification of plants according to water relations, except

saprophytes

The following are commercial varities of cacao, except

hershey

Diseases of perennial crops may be found in the roots, leaves, flowers, and fruits. Fungicides are resorted to when

systemic fungicides are available to control anthracnose of flowers and fruits of mango

Which of the following horticultural crops that can be used in the control of insect pests

Capsicum annuum

What happens in the phloem

food moves down

Sciophytes are also known as

shade loving plants

"Cabuyao" is considered a variety of

garlic

In determining when to irrigate

using sand-cum-soil miniplot technique, when the plant crop in the miniplot shows wilting D

Rose-sinensis is the species of this common ornamental plant

gumamela

Which among these food crops is the most involved in the formulation of government policies on food security?

rice

Phototropism is a growth response to unidirectional light which is probably influenced by a particular growth hormone

indola acetic acid (IAA)

Dormancy is physiological effect of

abscissic acid

Magat, Pasig, and Peñananda are all varieties of

lowland rice

Phenotype is determined by

genotype, environment and genotype x environment

In seed germination, the zygote which gives rise to the embryo if formed by the fusion of A

sperm cell + egg cell

100

A rice floret has how many anthers