Waec Agricultural Science 2007 Past Questions and Answers

Question 31:

• WAEC 2007

Which of the following crops does not require nursery?

A. Lycopersicon esculentum
B. Abelmuscus esculentus
C. Theobroma cacao
D. Hevea braziliensis

Question 32:

• WAEC 2007

An erect tropical perennial grass which grows to 3 - 6 metres tall and has broad hairy leaves is the

A. Elephant grass
B. Gaint star grass
C. Spear grass
D. Gamba grass

Question 33:

• WAEC 2007

Deforestation will eventually lead to

A. Improvement in soil fertility
B. Improvement of soil texture
C. Loss of soil organic matter
D. Increase in soil pH

Question 34:

• WAEC 2007

Golden brown lesions on peeled yam tuber indicate infection by

A. Bacteria
B. Virus
C. Fungi
D. Namatode

Question 35:

• WAEC 2007

The eradication of mealy bugs is an effective control of

A. Corn smut
B. Swollen shoot of cocoa
C. Groundnut rosette
D. Rice blast