Waec Agricultural Science 2013 Past Questions and Answers

Question 26:

• WAEC 2013

Insect damage to crops takes the from of

A. Chewing , grinding and sucking
B. Grinding, piercing and chewing
C. Piercing, sucking and grinding
D. Chewing , sucking and piercing

Question 27:

• WAEC 2013

One disadvantage of vegetative propagation is that

A. Fruits are small in size
B. Viral diseases are transferred to offspring
C. Plants are true to type
D. Plants take a long time to mature

Question 28:

• WAEC 2013

Which of the following factors should be considered when sowing seeds in the field? l. Time of sowing ll. Plant density III. Depth of sowing. lV. Method of sowing.

A. L and ll only
B. L, ll and lll only
C. Lll and IV only
D. L, ll, lll and IV

Question 29:

• WAEC 2013

Which of the following groups require winnowing during processing?

A. Fruits
B. Cereals
C. Tubers
D. Vegetables

Question 30:

• WAEC 2013

A farmer who plants African Marigold between his crops has the intention of controlling

A. Bacteria
B. Viruses
C. Fungi
D. Nematodes