Question 1 of 20 54 total questions
Which of the following structures does not serve a protective function?
A hoof
B skin
C feathers
D bone
E hair
A great disadvantage of introduction as a method of crop improvement is the
A adaptation of introduced crop to a new area of cultivation
B usefulness of an introduced crop as basis for a breeding programme
C incorporation of the desirable characteristics of the introduced crop into the local corp
D introduction of a new type of disease into a new area of cultivation
E integration of the introduced variety into the agricultural production of a new area
The chromosomes in a cell are located in the
A cell wall
B golgi body
C vacuole
D nucleus
E mitochondrion
The aims of crop improvement include the following except
A increasing yields
B meeting particular needs of growers
C meeting the needs of consumers
D adapting to climatic conditions
E reducing demand for a particular type of crop
Biological control of insect pests of crops can best be carried out through
A crop rotation
B use of parasites and predators
C soil fumigation
D farm sanitation
E use of resistance varieties
Which of the following diseases of crops is not caused by a fungus?
A panama disease of banana
B smut of rice
C mould of stored grain
D streak of maize
E black pod isease of cocoa
Rice blast is caused by
A a bacterium
B a nematode
C a virus
D a fungus
E an insect
A common disease of onion is
A leaf spot
B root knot
C leaf blight
D twister
E mosaic
Which of the following is not a protective function of forests?
A soil conservation
B wind break
C wildlife conservation
D tourist attraction
E erosion control
Which of the following statements represents the best reason for making access roads in a forest plantation?
A fire-fighting purposes
B weeding
C fertilizer application
D mulching
E erosion control
The process by which a forest is renewed artificially is known as
A forest regeneration
B forest plantation
C selective exploitation
D deforestation
E taungya
Which of the following is not a characteristic feature of giant-star grass?
A vigorous growth, spreading and perennial
B possession of long and rapidly growing stems
C drought resistant and ability to withstand continuous grazing
D easy to eradicate once established
E easily propagated from young cuttings
Common management particles in pastures include the following except
A rotational grazing
B weed and pest control
C fertilizer application
D paddocking
E overstocking
A perennial is a crop which
A reaches maturity early and stops producing fruits before two years
B can grow and produce fruits for more than two years
C stops producing fruit two years after planting
D cannot flower during two consecutive growing seasons
E produces two harvests within a year
Tomato crops are usually staked to
A accelerate rate of ripening of the fruits
B accelerate growth
C prevent rotting of fruits
D induce flowering
E expose the leaves adequately
The maturity period of tomato in days is about
A fruit with many seeds that has many joined cerpels and dehisces along all sutures from base to apex is referred to as a
A cereal
B legume
C capsule
D berry
E nut
Which of the following is not an advantage of farm mechanization?
A timely farm operations
B high operating cost
C green-manuring
D improvement of yields
E rapid land clearing
Irrigation can be defined as
A high water table for plants
B a system of farming in whivh crops are provided with water artificially
C a type of farming where crops depend mostly on rainfall
D a type of farming practised in the fprest zones
E the storage of water for future farm operation
Which of the following is not an effect of bush burning on the soil?
A sterilizing soil against some harmful soil micro-organisms
B destroying the structure of soil
C increasing rate of nitrogen mineralization
D predisposing soil erosion
E maintaining high levels of soil nutrients reserves
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