2005 - WAEC Agriculture Past Questions and Answers - page 4
31
Selective exploitation means felling trees of
A
different ages and girths
B
specific ages and girths
C
different girths and same species
D
different girths and different species
correct option: b
Users' Answers & Comments32
Streak disease of crop commonly attacks
A
millet
B
sorghum
C
maize
D
rice
correct option: c
Users' Answers & Comments33
Most viral diseases of plants are transmitted by
A
wind
B
rain
C
insects
D
rodents
correct option: c
Users' Answers & Comments34
Viral diseases of crop plants are best controlled by
A
planting resistant varieties
B
applying fungicides
C
aplying insecticides
D
flooding farmlands
correct option: a
Users' Answers & Comments35
The following problems are likely to be caused by insects except
A
loss of leaves of crop plants
B
rottening of cobs in storage
C
transmission of viral diseases
D
reduction of grains in storage to powder
correct option: b
Users' Answers & Comments36
Weed plants which grow on other plants without deriving nutrients from them are called
A
sedged
B
epiphytes
C
decomposers
D
saprophytes
correct option: b
Users' Answers & Comments37
When a farmland is heavily infested with striga, it may be concluded that the farmland
A
is undergoing drainage
B
had not ben regularly irrigated
C
may have been used for growing guinea corn
D
may have been used for cowpea production
correct option: c
Users' Answers & Comments38
Mulching
A
reduces evaporation of soil water
B
increases soil acidity
C
prevents seedling diseases
D
improves soil texture
correct option: a
Users' Answers & Comments39
An accessory sex gland in a bull is
A
prostate gland
B
pituitary gland
C
thyroid gland
D
pancreatic gland
correct option: a
Users' Answers & Comments40
The most important reason for low livestock population in the rain forest zone is the
A
fast rate at which pasture crops become fibrous
B
shortage of forage crops during the long dry season
C
growth and proliferation of pathogens
D
thick vegetation cover which impedes animal movement
correct option: c
Users' Answers & Comments