Biological methods of weed control do not include
Introducing insects to control weeds
Planting crops to compete with the weeds
Planting leguminous cover crops
Uprooting the weeds
Correct answer is D
No explanation has been provided for this answer.
The eradication of mealy bugs is an effective control of
Corn smut
Swollen shoot of cocoa
Groundnut rosette
Rice blast
Correct answer is B
No explanation has been provided for this answer.
Golden brown lesions on peeled yam tuber indicate infection by
Bacteria
Virus
Fungi
Nematode
Correct answer is C
No explanation has been provided for this answer.
Deforestation will eventually lead to
Improvement in soil fertility
Improvement of soil texture
Loss of soil organic matter
Increase in soil pH
Correct answer is C
No explanation has been provided for this answer.
An erect tropical perennial grass which grows to 3 - 6 metres tall and has broad hairy leaves is the
Elephant grass
Gaint star grass
Spear grass
Gamba grass
Correct answer is A
No explanation has been provided for this answer.