Waec Agricultural Science 2005 Past Questions and Answers

Question 31:

• WAEC 2005

Which of the following factors does not affect the distribution of pasture grasses?

A. Wind
B. Temperature
C. Soil
D. Pests

Question 32:

• WAEC 2005

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

Question 33:

• WAEC 2005

Streak disease of crop commonly attacks

A. Millet
B. Sorghum
C. Maize
D. Rice

Question 34:

• WAEC 2005

Most viral diseases of plants are transmitted by

A. Wind
B. Rain
C. Insects
D. Rodents

Question 35:

• WAEC 2005

Viral diseases of crop plants are best controlled by

A. Planting resistant varieties
B. Applying fungicides
C. Aplying insecticides
D. Flooding farmlands