Question 1 of 20 2,683 total questions
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
Drainage refers to
A removal of excess water from the soil
B removal of nutrients from the soil
C addition of water to the soil
D protection of soil from erosion
The appropriate irrigation method for upland rice field is
A sprinkler
B drip
C flooding
D underground
One importance of cover crops is that they
A provide shade for crops
B protect crops from pests
C increase soil acidity
D suppress weed growth
Which of the following materials can be applied to the soil in order to correct yellowing of leaves?
A lime
B urea
C gypsum
D bone meal
Under which of the following conditions will organic matter in the soil decompose fastest?
A optimum pH
B low temperature
C anaerobic conditions
D waterlogged condition
Clay particles hold cations because they
A are negatively charged
B become hardened when dry
C are very small in size
D have definite shapes
Soils in forest areas would normally have
A low moisture content
B high proportion of sand
C high proportion of humus
D low microbial activity
The most active agent of physical weathering in arid regions is
A wind
B water
C temperature
D ice
The first vegetation zone which runs across the coast of most West African countries is the
A derived savanna
B mangrove forest
C guinea savanna
D rain forest
A piece of land can be considered more suitable for livestock production than for crop production when it is
A moderately marshy
B stony
C fertile
D infested with weeds
In West Africa, a greater part of the land is used for
A livestock farming
B arable cropping
C building houses
D game reserves
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