Agric Science
Password is "7373"

---

Getway - 18th, August 2020
===:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=

2020 WAEC AGRICULTURAL SCIENCE QUESTIONS AND ANSWERS
=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=:=
EXAMS STARTS BY 2:00pm

========================================

AGRIC OBJ
1-10: CBBCDBBAAB
11-20: CCCCDDDCDC
21-30: ABDACACBBC
31-40: AABBADDCCD
41-50: CBDAAADADC

(1ai)
Poor Transportation
(Choose Any Two)

(i)construction of new feeder roads to open up the rural areas
(ii)construction of water ways to link up the riverine area
(iii)construction of railways to connect rural areas to the urban centres
(iv)Reduction in transportation cost to make such affordable to the rural farmers
(v)Provision of vehicles ,boats and trains to facilitate the distribution of farm product


(1aii)
Environmental degradation
(Choose Any two)
(i)Flooding should be avoided
(ii)soil erosion should be properly checked
(iii)cover cropping should be practised
(iv)Terracing and strip cropping should also be practised
(v)Pollution and deforestation should be avoided

(1aiii)
Use of crude farm input
(choose Any two)
(i)Government should subsidise the cost of farm input
(ii)Farm input should be supplied at the right time to farmers
(iii)Local sourcing of these inputs should be encouraged
(iv)Establishment of tractor- hiring unit at affordable costs to farmers

1b.) I precautions of animal power

I. Do not overwork draught animals.
II. Keep them in a healthy. environment.
III. Feed and provide them with adequate water.

1c)
To increase durability.
To increase efficiency.
Reduce costs of replacement.
For safety of the user/avoid accidents.
Avoid damage to the tool.
=====================================
(2ai)
Soil texture is a classification instrument used both in the field and laboratory to determine soil classes based on their physical texture.

(2aii)
Soil structure describes the arrangement of the solid parts of the soil and of the pore space located between them.

(2aiii)
soil profile is a vertical section of soil like the diagram above. It allows you to examine the structure of soil. A soil profile is divided into layers called horizons

(2bi)
(i)Grafting is the fastest way of growing popular, desirable varieties of fruiting trees & flowering shrubs on a large scale. (ii)Buy fruiting tree seeds online. Many commercially valuable plants are difficult to grow by other propagation methods like cutting & layering, but they respond well to grafting.
(iii)Scions are highly precious varieties, but the usually have poor rooting system, less vigor & weak defence against pathogens.

(2bii)
(i)Mango
(ii)Guava

(2c)
(i)water
(ii)crop selection
(iii)temperature

(2d)
(i)Storage in airtight bins helps maintaining insect free grains.
(ii)Before storing grains the go downs (store houses) should be disinfected. Following methods of disinfestations of store rooms are recommended
(iii)Threshing yard should be situated more than a mile away from the granaries so as to reduce the chance of pest reaching to granaries through migration.
(iv)For bag storage of grains “pucca” cement concrete or brick made store houses are recommended.
=====================================
3ai) by seeds
3aiv) Spacing of citrus (7 m x 7 m)
3av) Common diseases of citrus
Bacterial blast.
Citrus nematode.


3b) Surface irrigation is where water is applied and distributed over the soil surface by gravity. It is by far the most common form of irrigation throughout the world and has been practiced in many areas virtually unchanged for thousands of years.

3bii)Surface drainage refers to the removal of surfacewater by development of the slope of the land utilizing systems of drains to carry away the surplus water. In subsurface drainage open ditches and tile fields intercept groundwater and carry it off.
=====================================
4a) check pictures

4b) -Contact (direct and/or indirect)
- Droplet
-Airborne
-Vector
-Common Vehicle.
4c)coming

================================================

5a)
Tabulate.

Disease |causal organism|Farm animal affected| symptoms|control|

Brucellosis | brucella specie| pig | dysentery and diarrhea | isolation of infected animal.

Aspergilloses. |Aspergillus fumigatus | sheep | skin irrigation | proper sanitation.

(5b)
(i)it is used as labour as saving device
(ii)it saves space as the batteries are set up in tires
(iii)there are fever eggs with dirty shells
(iv)the poultry house is less noisy 
(v)selection is made easier during culling.

(5c)
(i)Farm or agriculture input are inadequate
(ii)the subject matter specialist are often not properly informed 
(iii)there is inadequate transport facilities for extension staff
(iv)Extension agent are not sufficiently motivated
(v)target farmers are largely illiterate. 

==========================================================

6a) check pictures

6b.
1. Agricultural bank
2. Money Lenders
3. Self Finance
4. Commercial Banks
5. Cooperative Society
6. Microfinance bank
7. International Development Agencies (IDAs)


*CHOOSE ANY 5.

6c) check pictures