Question 1 of 20 2,054 total questions
During photosynthesis, green plants convert carbon dioxide to
A chlorophyll
B carbohydrate
C protein
D carbonic acid
The term supplying in crop production means
A pruning excess branches of crops
B spacing out crops during planting
C replacing ungerminated seeds on seedbeds
D adding enough fertilizer to the crop
Which of the following statement about farmstead planning is false?
A administartive blocks should not be located close to the entrance of the farmstead
B waste disposal unit should be located far away from the main farm area
C all buildings should be well ventilated with good lightings
D animal pens should not be located too close to the worker's house
A farm surveying equipment made of steel and used for measuring short distance is called
A prismatic compass
B measuring tape
C gunter's chain
D theodolite
An incubator is important in supplying
A heat for day-old chicks
B heat for embryo develoment
C light for cadling eggs
D feed to chicks
The implement used for pulverizing the soil is the
A planter
B ridger
C horrow
D plough
Considering all costs, the cheapest source of energy for domestic use is
A eloectricity
B sunlight
C biogas
D water
Excessive drainage of soil water can be checked by the addition of adequate quantities of
A N.P.K 15 - 15 - 15
B sulphate of ammonia
C single superphosphate
D compost manure
The following equipment can be used for irrigation except
A bucket
B watering can
C knapsack sprayer
D siphon tube
A farmer applied NPK 15:11:8 at planting. What is the percentage of potassium in the fertilizer?
A 23.53%
B 32.35%
C 33.33%
D 44.12%
Which of the following statements about bush burning is false?
A it releases mineral nutrients bound in plant tissues
B it encourages the growth of fresh grasses
C the heat generated destroys pests
D the heat generated increases the population of soil organisms
sources of nitrogen to the soil include the following except
A lightening
B urea
C blue-green algae
D residues of burning activities
Which of the following crops should be planted on a piece of land that has been repeatedly cropped with maize?
A guinea corn
B millet
C rice
D cowpea
Which of the following statement is not true about waterlogged soils?
A such soils are heavily leached
B dentrifying bacteria are more active in such soil than nitrifying bacteria
C nitrosomonas yield bet in such soils
D soil temperature is usually low
The three most important physical factors that influence rock weathering are
A colour,particle size and hardness of rock
B particle size,hardness and degree of cementation
C hardness,degrss of cementation and colour
D particle size, temperature and colour
A reddish coloured soil indicates the presence of
A copper
B sodium
C iron
D manganese
The following are types of sedimentary rocks except
A granites
B loimestone
C sandstone
D dolomite
Which of the following biotic factors are usually used to control cassava mealbugs?
A parasites
B predators
C pests
D pathogens
The most important use of land for agriculture production is
A grazing paddocks
B botanical gardens
C game reserves
D farmstead construction
The practice of planting one type of annual crop each season is referred to as
A monoculture
B continuous cropping
C mono-cropping
D horticulture
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