WAEC Agricultural Science Past Questions & Answers - Page 129

641.

Which of the following features could lead to wrong reading on a prismatic compass?

A.

A big tree

B.

Wind direction

C.

A pond

D.

Magnetic attraction

Correct answer is D

No explanation has been provided for this answer.

642.

Which of the following factors affect the work rate of draught animals? 
l. Feed intake
ll. Breed of animal 
III. Harness for hitching. 
IV. Height of animal

A.

l, ll and lll only

B.

l, ll and IV only

C.

ll, lll and IV only

D.

l, ll, lll and IV

Correct answer is D

No explanation has been provided for this answer.

643.

One of the main disadvantages of mechanical tillage is the

A.

Low initial cost of equipment

B.

Need for special training before machines can be used

C.

Use of heavy equipment leading to soil compaction

D.

Use of foreign exchange to purchase machine parts

Correct answer is C

No explanation has been provided for this answer.

644.

A 100kg NPK 15: 15: 15 compound fertilizer has a filler make -up weight of

A.

30kg

B.

40kg

C.

45kg

D.

55kg

Correct answer is D

No explanation has been provided for this answer.