- •Agriculture I – exam (2015/2016 academic year)
- •Varianta g
- •2)The most widespread seedy oil crop worldwide is:
- •14) Soil origin is:
- •16) Chlorophyll:
- •20) As a source of poppy alcaloids for pharmaceutical industry is used:
- •34)Oil flax is characteristic by:
- •Additional questions
- •Flooding occurs when:
- •Conservation tillage includes:
- •Crop pests include:
- •Mark shallow rooting crops:
- •Most economies of the developing world are predominantly:
Crop pests include:
Insects
Which group of crops enriches the soil nitrogen content by biological fixation, provided by bacteria from the genus Rhizobium?
Cereal
Legumes
The acquisition of a plant’s ability to flower or germinate in the spring by exposure to the prolonged cold of winter is called:
Vernalization
Selective herbicide:
Is much more toxic to some plants than to others
PAR:
400- 760 nm
Toxic….
Herbicides
As renewable energy resource an present in plants:
Oil-seed rape
Where major nutrient an present in plants:
are part of protein, nucleic acid, vitamins, phospholipids
Main vectors of virus-born diseases in plants are:
Aphids
Sugar beet does not prefer:
Light sandy soils
Warmer growing regions
Weeds are:
Solely crop parasits
Which elements belong…. potentially toxic:
Cd, Hg, Pb
How much individual macronutrients is commonly present in dry matter of plant biomass:
0.10- 2.5%
IR radiation:
Can be used as a heating source
Is popularly known as heat radiation
Photosynthesis is the process:
converting light energy to chemical energy
Gaseous phase (soil air) contains:
elevated amounts of oxygen and nitrogen
Norfolk four-course system is:
First crop was wheat followed by turnips and third barley with clover undersown
Fallow field was omitted and system emphasized fodder crops
The world’s most important protein feed, accounting for more than two- thirds of world supplies is:
Soybean
Urban Based Farming system is represented by:
Production of vegetables, in particular leaf vegetables
Small livestock is usually grown there as well
Irrigation:
Is an artificial application of water to the land or soil
is used in cultivation of fruits and vegetables
Nutrient uptake is caused by:
Root tips and hairs as well leaves and stems of plants
To the cereals of II group belong:
Maize
Sorghum
Among the most important crops that feed the world belong:
Maize and barley
Cereal crop suitable for sodden conditions is:
Rice
Rice is the most widespread cereal crop in:
Asia
Flax seed is used for:
Production of technical and industrial oil
Productions of Fibre
Organic solid soil portion consist of:
Primary and secondary aluminosilicates
Polychlorinated biphenyls belong among main:
organic pollutants
Winter oilseed rape is usually harvested:
During July
What does it mean rhizosphere environment:
layer of soil touch to plant roots
Which elements belong to major nutrients:
N P K Ca Mg
N P K Ca S
Spring barley:
Does not require exposure to winter temperatures
Which components belong among outputs of nutrient cycle:
Volatilization leaching denitrification erosion
Plant cells differ from the cells of other eukaryotic organisms:
Have vacuole, cell wall
Have plastids and cell membrane
Organic farming is the form of agriculture that excludes or strietly limits:
Use of synthetic fertilizers and pesticides
Use of livestock feed additives and genetically modified organisms
Main steps of soil development are:
Transition of unstable minerals into more stable ones
Living organisms appeared in mixture of inorganic and organic materials
Soil horizon O is described as:
A surface layer, dominated by the presence of large amounts of organic materials
Layer with presence of high organic matter
Winter oilseed rape overwintering is in vegetation stage of:
Leaf rosette
A symbiotic association between a fungus and the roots of a vascular plant is called:
Mycorrhiza
Mutualism
Main producers of sugar cane are:
Brazil, India, China
Primary tillage is used for:
Break and loose the soil
To the basic quality parameter of sugar beet roots doesn’t belong:
Vitamins content
… ash content
Crops with shallow root systems are:
Flax
Potatoes
Optimum of C:N ratio fluctuates between:
15:1-23:1
The world’s most important protein feed, accounting for more than two-thirds of world supplies is:
Soybean meal
Potatoes do not prefer:
Lower temperatures during vegetation
Sunflower is not used for:
Production of starch
Ridging of potatoes by the special ploughshare is made several times:
From germination to the beginning of buds formation
To the medical plants used like antidepressives doesn’t belong:
oak bark
Achene is source of oil in:
sunflower, safflower, cotton
Winter oilseed rape is usually harvested:
during July
The best harvest time of the leaf drugs is:
beginning of the buds formation
C4 carbon fixation is:
typical for maize, sugar cane, millet and sorghum
The most suitable cereal crops for bioethanol production are:
wheat and triticale
Horticulture Mixed Farming System is represented by:
farm size is small and has a diversified production pattern
cultivation of fruit, nuts and vegetables, partly irrigated
Term of winter wheat sowing in European conditions is usually in:
September and October
UV radiation is the light with wavelengths betwee
100- 400 nm
Long day plants
typically flower in the northern hemisphere during late spring or early summer
The process where a population of animals or plants is changed through a process of artificial selection at the genetic level, desired by humans, is called
Domestication
UV radiation
can not be seen (non-visible)
can not be harmful to plant tissues and eyes
Minimum oil content in the seeds of oilseed rape should be:
42%
Environmental importance of plants are:
sequestration of CO2
water reservoirs protection
Positive effects of the weeds:
weeds can provide food for crop pollinators and pest bioregulators
Main purposes for primary use of plants
production of food, production of fabrics
Farming system is defined as:
horizontal and vertical integration of crop livestock, trees and aquaculture
Sparse (cold) Farming System is represented by:
limited cultivation of rye and oats, as well as for potatoes and some vegetables
short growing season, very low temperatures and poor soils
Main objectives of organic farming are:
production of healthy food under regulated procedure
development of soil fertility mechanical weed control
Gaseous phase (soil air) contains .... compare to atmospheric air:
elevated amounts of oxygen and nitrogen
Which main factors are required for plant growth:
water, sun radiation, temperature, nutrients
Recommended sowing rate of winter wheat is:
400-500 kernels per 1m2
Which organism belong to pathogens:
Salmonella, Clostridium, Mycotoxins, Leptospira
Choose characteristics, which does not belong to the characterization of the 1st group of cereals:
they create only spring forms
The average growing area of rye in Czech Republic is about:
45 000 ha
The average yield of sugar beet roots in the Czech Republic is about:
40-50 t*ha-1
Potatoes of the cooking type D are:
intensely mealy
Average sugar content in the sugar beet root in the conditions of the Czech Republic is about:
16-19%
Oilseed rape is not used for production of:
Bioethanol
bread making
To the antidiabetics does not belong:
golden-rod
Convention tillage comprises all tillage types that:
leave less than 15% crops residues on the soil surface after planting the next crop
leave less than 1100kg ha-1 of small grain residues through a critical erosion period
