Waec Agricultural Science 1999 Past Questions and Answers

Question 31:

• WAEC 1999

The tree species commonly planted for pulpwood is

A. Gmelina
B. Cassia
C. Albizia
D. Tactona

Question 32:

• WAEC 1999

Root-knot disease in tomatoes is caused by

A. Virus
B. Nematode
C. Bactrium
D. Fungus

Question 33:

• WAEC 1999

Callosobruchus maculatus is a common pest of

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

Question 34:

• WAEC 1999

Gummosis disease of citrus is caused by

A. Aphids
B. Fungi
C. White flies
D. Bacteria

Question 35:

• WAEC 1999

Which of the following weeds is dispersed by wind?

A. Pig weed (boerhavia diffusa)
B. Goat weed (ageratum conizoides)
C. Hausa throns (acanthospermum hispidum)
D. Tridax (tridax procumbens)