Agricultural Science 2000 Waec Past Questions and Answers

Question 31 :

• WAEC 2000

Which of the following groups of organisms cause the greatest damage to stored grains?

A. Insects
B. Birds
C. Viruses
D. Fungi

Question 32 :

• WAEC 2000

Disease causing organisms are referred to as

A. Vectors
B. Pathogens
C. Pests
D. Insects

Question 33 :

• WAEC 2000

Which of the following is not a viral disease of crops?

A. Cocoa swollen shoot
B. Tobacco mosic
C. Tomato leaf curl
D. Banana blight

Question 34 :

• WAEC 2000

Smut diseases are often found on

A. Maize
B. Cassava
C. Cowpea
D. Grapes

Question 35 :

• WAEC 2000

The mosaic appearance on cassava leaves is caused by

A. Pests
B. Bacteria
C. Virus
D. Nematode