Question 2476:

• JAMB 2021

The tree species commonly planted for pulp wood is

A. Gmelina
B. Cassia
C. Alibiza
D. Tectona

Question 2477:

• JAMB 2021

Root-knot disease of tomato is caused by

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

Question 2478:

• JAMB 2021

Callosobruchus maculates is a common pest of

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

Question 2479:

• JAMB 2021

Gummosis disease of citrus is caused by

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

Question 2480:

• JAMB 2021

Which of the weeds is dispersed by wind?

A. Pig weed (Boerhavia diffusa)
B. Goat weed (Ageratum conizoides)
C. Hause thorns (Acanthospermum hispidum)
D. Tridax (Tridax procumbeus)