Question 1 of 20 2,054 total questions
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
The scarcity of land often compels peasant farmers to practice
A deforestation
B selective exploitation
C taungya system
D afforestation
The total land area of a country available for farming depends on the
A level of literacy of farmers
B climate of the area
C sex distribution of the population
D number of houses and other structures
The role of science and technology in the development of agriculture includes the following except
A provision of insecticides and drugs
B provision of good road network
C introduction of artificial insemination centres
D setting up produce marketing boards
In order to ensure that crop and animal diseases are not transferred across international boundaries, government must
A have a programme on agricultural education
B endeavour to produce only disease resistant species
C have and enforce quarantine services
D increase surveillance of its borders by security agents
Government laws and reforms are aimed at
A increasing agricultural production
B controlling farm profits
C discouraging investment in agriculture
D encouraging importation of agricultural produce
Which of the following groups of basic amenities should be provided in rural areas foe improves agricultural productivity?
A water,electricity and helth care centres
B electricity,guest houses and water
C health care centres,water and airports
D roads, airports and recreational centres
Inadequate food production in most developing countries is due to
A high populatoon growth
B inadequate technology
C infestation of farms by pests
D scarity of labour
Why would an extension officer prefer the use of television to radio when introducing a new technology to farmers?
A the extension officer can get immediate feedback
B the farmer can observe the various steps involved
C radio programmes are not reliable and clear enough
D it is cheaper to use television than radio
One of the functions of agricultural extension is
A cultivation of farmers farmlands
B cobstruction of farmers farmsteads
C organization and coordination of credit sources
D running of the country's formal education system
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