Question 1 of 20 2,683 total questions
The mosaic symptom commonly associated with viral diseases of crops can be best observed on
A roots
B stem
C leaves
D fruits
E flower
Which of the following groups comprises only oil crops?
A groundnut, jute and cotton
B melon, coconut and sisal hemp
C coconut, cotton and sunflower
D sunflower, rubber and jute
E oil palm, sunflower and jute
The pest designated as a national pest by the Nigeria Agricultural Advisory Council is
A variegated grasshopper
B thrips
C capsid
D cricket
E weevil
The following are forestry crops except
A tectona grandis
B gmelina arborea
C anarcadium
D pinus eliotis
E chlorophora excelsa
The most common weed of pastures in Nigeria is
A spear grass
B goat weed
C water leaf
D tridax
E sida
If the seed rate for guinea corn is 5.6 kg per hectare, what will be the amount of seeds required for planting 35 acre farm?
A 75.1
B 78.4
C 568.2
D 784.5
E 960.3
Root knot of tomato is caused by a
A fungus
B bacterium
C virus
D protozoan
E nematode
Incubators are used to supply heat to
A day-old chicks
B sick fowls in cold weather
C cockerels to increase their libido
D poultry attendants for protection against cold
E fertilized egg for chick development
Which of the following is not a limitation of farm mechanization?
A technical know-how
B capital
C small holdings
D lack of spare parts
E labour
What are give and take lines often used in farm surveying?
A leveling measurements of farms
B chain measurements of farmlands
C measuring diversion or obstruction in a farmland
D measuring turning points during surveying
E measuring farms with irregular boundaries
Soil can be drained by the use of the following except
A sprinklers
B channels
C gutters
D ditches
E porous pipes
Which of the following farm practices does not have a very harmful effect on the soil?
A crop rotation
B land clearing
C overgrazing
D flooding
E bush burning
Which of the following is the function of nitrosomonas in the nitrogen cycle?
A ammonification
B volatilization
C nitrification
D dentrification
E nitrogen fixation
The type of soil formed is affected by the following factors except
A farming systems
B climate
C vegetation
D topography
E parent material
Which of the following will not contribute to soil formation in Nigeria?
A carbonation
B oxidation
C temperature
D hydrolysis
E glaciation
By which of the following ways is the agricultural production in Nigeria affected by topography
A lowering of crop quality
B determining the manure requirement of a farm
C lowering the leve of production
D increasing the pest incidence on crops
E influencing the area of land, actually available for agriculture
Which of the following factors is not considered in 5the use of irrigation?
A weed seed distribution over the farm
B cost of maintenance
C availability of water
D build up of pests and diseases
E prevention of salt accumulation through adequate drainage
Which of the following is a disadvantage of using organic manure on the soil?
A spreading of pests and diseases
B reducing the rate of evaporation from soil surfaces
C improving the nitrogen content of soil
D increasing the humus content of soil
E preventing erosion and leaching
Which of the following nutrient element is a macro-nutrient?
A phosphorus
B zinc
C iron
D manganese
E boron
The major factor influencing the physical or mechanical breakdown of rocks into finer particles include the following except
A man
B animal
C wind
D water
E solution
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