Waec Agricultural Science 2012 Past Questions and Answers

Question 26:

• WAEC 2012

Which of the following statement about the effects of diseases on crops are true? Reduction in I. quality of products II. photosynthetic ability III. cost of production IV. yield of the produce

A. I and II only
B. I and III only
C. I,II and III only
D. I,II and IV only

Question 27:

• WAEC 2012

Which of the following insect-pests possesses biting and chewing mouthparts?

A. Grasshopper
B. Weevil
C. Aphid
D. Cotton stainer

Question 28:

• WAEC 2012

Striga spp. is a parasitic weed of

A. Cotton
B. Orange
C. Groundnut
D. Sorghum

Question 29:

• WAEC 2012

The first activity to undertake before establishing a plantation is to

A. Survey the land
B. Clear the land
C. Prepare the seed beds
D. Raise seedlings

Question 30:

• WAEC 2012

Fruits should be harvested at the appropriate time in order to

A. Prevent them from brusing
B. Minimize their sugar content
C. Reap increased fruiting
D. Ensure good quality produce