Question 1 of 20 58 total questions
Mulching
A reduces evaporation of soil water
B increases soil acidity
C prevents seedling diseases
D improves soil texture
When a farmland is heavily infested with striga, it may be concluded that the farmland
A is undergoing drainage
B had not ben regularly irrigated
C may have been used for growing guinea corn
D may have been used for cowpea production
Weed plants which grow on other plants without deriving nutrients from them are called
A sedged
B epiphytes
C decomposers
D saprophytes
The following problems are likely to be caused by insects except
A loss of leaves of crop plants
B rottening of cobs in storage
C transmission of viral diseases
D reduction of grains in storage to powder
Viral diseases of crop plants are best controlled by
A planting resistant varieties
B applying fungicides
C aplying insecticides
D flooding farmlands
Most viral diseases of plants are transmitted by
A wind
B rain
C insects
D rodents
Streak disease of crop commonly attacks
A millet
B sorghum
C maize
D rice
Selective exploitation means felling trees of
A different ages and girths
B specific ages and girths
C different girths and same species
D different girths and different species
Which of the following factors does not affect the distribution of pasture grasses?
A wind
B temperature
C soil
D pests
Some cassava tubers are poisonous to non-ruminant because they contain
A hydrochloric acid
B hydrocyanic acid
C sodium chloride
D sodium hydroxide
Transplanting is best carried out in the evening because
A it allows for greater plant respiration
B roots show positive geotropism
C moisture losses are low during cold waether
D plnts grow faster in the dark
A crop which is usually propagated sexually is
A banana
B pineapple
C cowpea
D ginger
Which of the following reasons explain why fertilizers are added to soils?
A prevention of erosion
B increasing the organic matter content
C increasing the water retention capacity
D increasing the nutrient level
The by-product in plant photosynthesis is
A carbondioxide
B carbohydrate
C hydrogen
D oxygen
A prolonged wet season at the early stage of growth in cotton will lead to
A good vegetative growth and high yield of lint
B tall plant with few bolls
C premature dropping of leaves
D waterlogged soil which increases availability of soil nutrients
Farm mechanization does not
A involve the use of motorized equipment
B require much capital
C lead to unemployment
D involve the use of only heavy machinery
Calculate the area of a rectangular vegetable garden measuring 100m by 26m in hectares.
A 0.250
B 0.200
C 0.125
D 0.004
Which of the following types of survey reveals the physical features of farmlands?
A soil survey
B topographical survey
C chain survey
D compass survey
A decorticator is useful in the processing of
A maize
B cotton
C cocoa
D groundnut
Energy in fossil materials may be harnessed as
A water energy
B wind energy
C electrical energy
D fuel energy
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