Waec Agricultural Science 2010 Past Questions and Answers

Question 36:

• WAEC 2010

Corms, rhizomes and tubers are examples of

A. Underground stems
B. Underground roots
C. Modified leaves
D. Earial stems

Question 37:

• WAEC 2010

Which of the following operations takes place in a ginnery?

A. Production of cotton seed oil
B. Detoxication of cotton seed
C. Separation of cotton seeds from lint
D. Production of cotton seed cake

Question 38:

• WAEC 2010

The maize stem borer is best controlled by

A. Destroying and burning all the affected crops
B. Erecting physical barriers on the farm
C. Using scare crows on the farm
D. Hand-picking from infested crops

Question 39:

• WAEC 2010

Disease resistance is one of the aims of crop improvement because it

A. Enables crops withstand attack by pathogens
B. Makes the harvesting of crops easy
C. Enables crops adapt to climatic conditions
D. Leads to early maturity in crops

Question 40:

• WAEC 2010

Which of the following characteristics is not important in beef cattle breeding?

A. High fertility
B. Increased butter-fat percentage
C. Good feed conversion efficiency
D. High yield of lean meat