The vector of leaf curl disease of cotton is
Grasshopper
Termites
Thrips
White fly
Correct answer is D
No explanation has been provided for this answer.
Sexual propagation of omamental plants involves the use of
Stems
Seeds
Suckers
Rhizomes
Correct answer is B
No explanation has been provided for this answer.
The growth of both trees and arable crops on the same piece of land is
Ley farming
Mixed farming
Forestry
Taungya system
Correct answer is D
No explanation has been provided for this answer.
Protective functions of forests include the following except
Soil conservation
Serving as windbreak
Purification of air
Source of firewood
Correct answer is D
No explanation has been provided for this answer.
40,000
20,000
5,000
2,000
Correct answer is B
No explanation has been provided for this answer.