Question 1 of 17 57 total questions
Energy for photosynthesis in crops is provided by
A man
B animal
C wind
D sun
E water
Drainage types include the following except
A shadoof
B open
C channel
D surface
E underground
A farm practice which assists in maintaining the structure and fertility of soil and reduction in risk of the sun infestation is
A bush burning
B organic manuring
C crop rotation
D mulching
E fertilizer application
Effects of overgrazing on soil include the following except
A exposure of soil to erosion
B depletion of soil nutrients
C soil compaction
D improvement of soil structure
E exposure of soil to direct rays of the sun
The following crops can be grown as cover crops except
A pueraria phaseoloides
B stylozanthes gracillis
C centrosema pubescens
D nicotiana tabacum
E calopogonium mucunoides
Which of the following is not a function of organic matter in the soil?
A conserving soil water
B preventing soil erosion
C preventing leaching in soil
D inhibiting seed germination
E stabilising the structure of the soil
Crops grown in nitrogen deficient soil show the following characteristics except
A poor setting of fruit
B stunted growth
C chlorosis in growing crops
D yellowing of lower leaves
E timely ripening of fruits
Which of the following is a soil micro-nutrient?
A magnesium
B potassium
C calsium
D iron
E phosphorus
The amount of air and water in the soil is mostly affected by the
A location of the soil
B amount of annual rainfall
C chemical compostion of the soil
D living organisms in the soil
E structure of the soil
Which of the following does not influence rock weathering?
A water
B carbonation
C roots
D ammonification
E temperature
The factors which affect the number and the activities of soil micro-organisms include the following except
A topography
B soil moisture
C soil aeration
D degree of soil acidity
E temperature
The following are characteristics of quartz except
A being granular
B having shiny surface
C being glass-like
D having cleavage
E being semi-translucent
Ice causes rock weathering
A through the processes of expansion and contraction
B through movement of large rock fragments against large boulders
C by dissolving some minerals in disintegrated rock fragments
D by exerting an abrasive action on rock fragments
E through chemical alteration of rock minerals
Which of the following in not an effect of the North-East trade winds on agriculture?
A encouraging growth of natural pasture
B encouraging fruit setting or formation
C inducing fruit ripening
D causing heavy rainfall
E drying forest trees
The roles of government in the development of agriculture include the following except
A recommending loans
B provision of subsidies
C establishment of farm settlements
D establishment of agricultural development projects
E training of farmers children
Most of the land used for agriculture in Nigeria are acquired through
A purchase
B pledge
C donation
D exchange
E inheritance
Which of the following is not correct about the importance of agriculture?
A supply of food
B provision of employment
C provision of the raw materials for agro-based industries
D serving as main source of foriegn exchange
E serving as a source of income
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