Waec Agricultural Science 1997 Past Questions and Answers

Question 26:

• WAEC 1997

Reforestation is the

A. Organised planting of trees in areas from which forest trees have been removed
B. Establishment of forests in areas where there are previously none
C. Development of young treees to replace old mature trees
D. Planting of forest trees on an unproductive land
E. Cultivation of forest trees for boundary demarcation

Question 27:

• WAEC 1997

The tree species widely used in afforestation programme is

A. Neem
B. Teak
C. Oil palm
D. Ebony
E. Rubber

Question 28:

• WAEC 1997

Which of the following is not a reason for converting a piece of land into a forest reserve?

A. Low population pressure
B. Poor soil fertility
C. Disputed ownership of land
D. Prevention of natural hazards
E. Improvment of micro-climatic conditions of the environment

Question 29:

• WAEC 1997

The forest trees growing in the Sudan savanna zone of Nigeria include the following except

A. Mahogany
B. Baobab
C. Shea butter
D. Neem
E. Eucalyptus

Question 30:

• WAEC 1997

The most important pests of vegetable crops are

A. Rodents
B. Birds
C. Nematodes
D. Insects
E. Reptiles