Waec Agricultural Science 2018 Past Questions and Answers

Question 21:

• WAEC 2018

Which of the following crops is usually classified as a vegetable?

A. Lycopersicon esculentum
B. Ananas sativa
C. Hevea brasiliensis
D. Theobroma cacao

Question 22:

• WAEC 2018

A groundnut variety produces a steady yield of 350kg per hectare. What will be the yield of the variety on a 10-hectare farm?

A. 35kg
B. 350kg
C. 3,500kg
D. 7,000kg

Question 23:

• WAEC 2018

Thinning is a farm operation in which

A. Empty spaces where seeds did not germinate are replanted
B. The number of seedlings per stand is reduced to one or two
C. Fertilizers and manures are applied to crops
D. Effort is made to control pests

Question 24:

• WAEC 2018

Which of the following plants is not a pasture grass?

A. Pennisetum purpureum
B. Axonopus compressus
C. Stylosanthes gracilis
D. Panicum maximum

Question 25:

• WAEC 2018

One advantage of cross breeding is that the

A. Offspring resemble the recessive parent
B. Yield of the offspring may not be comparable to those of the parents
C. Offspring performs better than the average of the parents
D. Offspring cannot survive adverse environmental conditions