Which of these is NOT a method of improving crop yield?
spraying the crops with chemicals
mechanized farming
sowing pest resistant varieties of seeds
storing the crops in barns or silos
sowing of viable seeds
Correct answer is D
No explanation has been provided for this answer.
Food wastage is caused by the following EXCEPT
attack of moulds on farm crops
lack of access roads
lack of transportation
poor harvesting methods
proper storage
Correct answer is E
No explanation has been provided for this answer.
Stunted growth and reduced yield in cassava plant is as a result of a disease called
blight
leaf curl
leaf spot
mosaic
smut
Correct answer is D
No explanation has been provided for this answer.
A population can be referred to as the number of
adult organisms in an ecosystem
female species in an ecosystem
male species in an ecosystem
organisms of same species in an ecosystem
organisms that can withstand harsh conditions
Correct answer is D
No explanation has been provided for this answer.
Which of the following is NOT a function of the mammalian skin?
detoxication
excretion
production of vitamin D
protection
temperature control
Correct answer is A
No explanation has been provided for this answer.