Waec Agricultural Science 1990 Past Questions and Answers

Question 21:

• WAEC 1990

If the seed rate for guinea corn is 5.6 kg per hectare, what will be the amount of seeds required for planting 35 acre farm?

A. 75.1
B. 78.4
C. 568.2
D. 784.5
E. 960.3

Question 22:

• WAEC 1990

The most common weed of pastures in Nigeria is

A. Spear grass
B. Goat weed
C. Water leaf
D. Tridax
E. Sida

Question 23:

• WAEC 1990

The following are forestry crops except

A. Tectona grandis
B. Gmelina arborea
C. Anarcadium
D. Pinus eliotis
E. Chlorophora excelsa

Question 24:

• WAEC 1990

The pest designated as a national pest by the Nigeria Agricultural Advisory Council is

A. Variegated grasshopper
B. Thrips
C. Capsid
D. Cricket
E. Weevil

Question 25:

• WAEC 1990

Which of the following groups comprises only oil crops?

A. Groundnut, jute and cotton
B. Melon, coconut and sisal hemp
C. Coconut, cotton and sunflower
D. Sunflower, rubber and jute
E. Oil palm, sunflower and jute