WAEC - Agricultural Science (2015)

1
Which of the animal product is used in the production of buttons?
Answer
(C)
Bone
2
Subsistance farme rs mostly practice
Answer
(C)
Mixed cropping
3
A piece of land is said to be on lease to a farmer when it is
Answer
(C)
Rented for a period
4
Which of the following equipment is a fame implement?
Answer
(C)
Mower
5
A peridic maintenance activity carried out on through farm tractor is
Answer
(C)
Changing of engine oil
6
Which of the following sources of farm power is most verstile in West Africa?
Answer
(B)
Animal
7
Which of the following sources of farm power is most verstile in West Africa?
Answer
(B)
Animal
8
Farm mechanization does not
Answer
(C)
Promote employment
9
Farm surveying equipment include the following except
Answer
(D)
Spade
10
The sustem in which a farmer uses a piece of land for a period and abandons it for another land is called
Answer
(C)
Shifting cultivation
11
A socio-cultural factor affecting land availability for agriculture include use of land for
Answer
(D)
Building religious houses
12
Organisms which may be benefical to crop include
Answer
(B)
Bacteria
13
Which of the following rocks is sedimantary?
Answer
(A)
Limestone
14
Soil profile important in agriculture because it
Answer
(C)
Gives indication of types of cropsto grow
15
What is the percentage water content of soil sample which weighed 180g when fresh and 120g when oven-dried
Answer
(C)
33.33%
16
A soil sample with a pHof 4.5 is said to be
Answer
(A)
Acidic
17
The propety of soil which cannot easily be change by a famer is the
Answer
(C)
Texture
18
A farmer continuously applies sulphate of ammonia to his faemland for many years, the resulatant soil solution is most likely to
Answer
(B)
Change blue litmus paper to re
19
Application of water to the subsoil through perforated pipes is known as
Answer
(D)
Overhead irrigation
20
Which of the following statements describe the impact of land degradation?
I. Increased availablity of fuel wood
II. Reduction in livestock production
III. Decrease in agricultural productivity
IV. Pollution of water bodies
Answer
(A)
I,II and III only
21
Tabacco belongs to the group of crops called
Answer
(C)
Stimulants
22
Maize is a popular crop in West Africa because it
Answer
(B)
Has multiple uses
23
If the spacing of maize is 0.9m by 0.3m and one seed is sown per stand, what will be the popullation of maize plants on a hectare of farmland?
Answer
(D)
27,000
24
The following crops require shade trees at the seeding statge except
Answer
(D)
Oryza sativa
25
Crop which are primarily grown to provide food for farm animals are
Answer
(C)
Forages
26
Crop selection is adantageous because
Answer
(A)
Seeds are collected from stands with desirable traits
27
A fungus known as phytophthora palmivora is responsible for
Answer
(C)
Blackpd disease of cocoa
28
Viral disease of crops can best be controlled through
Answer
(B)
Planting reistant varieties
29
Piercing and sucking insect pests possess
Answer
(D)
Probosces
30
Callosobruchus maculatus is a common pest of
Answer
(D)
Cowpea
31
The use of pathogens to control dodder weeds is a
Answer
(C)
Biological method
32
The digestive function of the rumen in ruminant nutrition is enchanced by the
Answer
(B)
Presence of micro -organisms
33
The duration of the oestrus cycle of sow is
Answer
(A)
14 - 28 days
34
Natural immunity to diseases in calves is acquired through maccess to
Answer
(B)
Colostrum
35
If a sow conceived on the 5th of june in particular year, it will probably farrow the same year on
Answer
(D)
28th October
36
The act of parturtion in rabbit is known as
Answer
(D)
Kindling
37
The act of parturtion in rabbit is known as
Answer
(D)
Kindling
38
The act of parturtion in rabbit is known as
Answer
(D)
Kindling
39
The act of parturtion in rabbit is known as
Answer
(D)
Kindling
40
The act of parturtion in rabbit is known as
Answer
(D)
Kindling
41
The extra oyster shell meal supplied to breedinghens\
Answer
(C)
Aids in hardening egg shell
42
Iron is important in the diest of livestock for
Answer
(D)
Blood production
43
Established pasture cannot be harvested by
Answer
(D)
Cutting with sickle
44
The mating of a white fulani bull and an N'dama cow could be termed
Answer
(D)
Cross breeding
45
Which of the following organisms is not an endoparasite?
Answer
(C)
Tick
46
Which of the following compounds can be used to seal soil pores and prevent loss of water in a fish pond?
Answer
(C)
Calcium carbonate
47
The demand for cassava is not affected by
Answer
(A)
Cost of production
48
A farmer obtained a of #250,000 at a simple interest rate of 8% per annum to be paid in two years what would be the interest the farmer will pay on the loan?
Answer
(B)
#40,000
49
Which of the following methods is inapropriate when introducing a new variety of rice farmers?
Answer
(B)
Circular letters
50
The term fingerling refers to a young
Answer
(B)
Fish
51
The term fingerling refers to a young
Answer
(B)
Fish
52
The term fingerling refers to a young
Answer
(B)
Fish
53
The effect of fertilizing a fish pond with compost manure on phytoplankton population and fish yield is such that
Answer
(D)
Phytoplankton population increases as a fish yield increases
54
Which of the following developments could result from defoiratation?
Answer
(A)
Increase in soil erosion
55
Sexual propagation involves the use of
Answer
(B)
Seeds