Question 1 of 20 2,683 total questions
Breeding in self-pollination crops can be regarded as
A line breeding
B cross-breeding
C inbreeding
D hybridization
E back-crossing
The symptoms of coffee leaf rust are
A leaf spots, loss of vigour and death of the leaves
B wilting and death of plant
C damping off and etiolation
D leaf spots and damping off
E etiolation and death of plant
To which of the following crops does the term ginning apply?
A oil palm
B cocoa
C groundnut
D cotton
E coconut
Which of the following crops does not require nursery preparation?
A rice
B tobacco
C tomato
D okra
E pepper
Cassava mosaic virus can be controlled by
A spraying of fungicides
B inoculation of the plant
C spraying with insecticides
D treatment of stem cuttings
E growing resistant varieties
The botanical name of giant star grass is
A andropogon tectorus
B pennisetum purpureum
C panicum maximum
D cynodon plectostachyum
E chloris gayana
Which of the following should be checked daily before using a tractor?
A engine oil
B spark plug
C distributor
D air cleaner
E battery
Which of the following is not an effect of badly arranged farm?
A efficient management
B time wastages
C expensive labour
D low output
E low profit
Which of the following is not a disadvantages of wind power?
A its supply is sporadic
B its source is the wind
C it is very expensive
D the supply is uncertain
E the amount of power produced is small
Which of the following farm operations cannot be mechanized?
A weed control
B fertilizer application
C transportation and handling
D seed-germination
E crop processing
One of the limitation of machanization of farms is
A reduction in the cost of production
B exposure of soil to the effects of climate
C increase in yield of crops
D reduction of farm labour
E cultivation of more area of land
Which of the following is the source of energy used by green plants for photosynthesis?
A electricity
B water
C wind
D sun
E machine
Which of the following problems will not be considered before installing irrigation equipment in a farm?
A high cost of equipment and maintenance
B concentrartion of salt
C source of power
D availability of water
E build-up of pest and diseases
The physical properties of soil include the following except
A bulk density
B colour
C moisture content
D porosity
E PH
Which of the following processes will not lead to the loss of nutrients from the soil?
A erosion
B mulching
C harvesting
D burning
E leaching
A soil which consists of a mixture of and, silt and clay in equal quantities is described as
A humus
B alluvial soil
C sandy clay
D loam
E clayey loam
Which of the following statement is not correct about micronutrients? They
A are required in small quantities by plants
B are harmful when present in large quantities in a soil
C are derived from the parent rocks
D are the most abundat elements in plant leaves
E act as catalysts and co-enzymes in growing plants
A soil with the PH range of 6.1 to 6.9 can be described as
A alkaline
B very acidic
C slightly alkaline
D slightly acidic
E neutral
Which of the following is not a way of maintaining soil fertility?
A cover cropping
B manuring
C mulching
D mixed farming
E monocropping
The major climatic factors influencing agricultural activities in the tropics include the following except
A rainfall
B temperature
C sunlight
D pressure
E wind
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