WAEC GCE AGRICULTURE QUESTIONS AND ANSWERS 2020

Here is waec gce agriculture questions and answers for both theory and obj. share to your friends and good luck.

Agric Science 

(1a)

(i)they carry out research to improve or develop breeds of Animals.

(ii) extension project are founded and funded by them 

(iii) provide basic amenities e;g water, feeder roads

(iv)they provide chemicals for the control of weeds and insect 

(1b)

(i) expensive to practice

(ii)land problem

(iii)poor storage facilities

(iv)pests and disease attack

(v)it causes pollution

(vi)it leads to unemployment because machines are used 

(1ci)

(1cii)

(i)cause erosion

(ii)leads to loss of nutrients

(iii)exposure the soil to sunlight 

(iv)reduce water percolation rate 

(v)reduce the amount of rainfall

(vi)reduce wild life population

2a)

 i) *Disc plough* 

1) it is design to work in all types of soil functions such as soil breaking

2)it is used to open, the new fields 

3) it can be used easily at rocky and rooted areas 

ii) *Disc Horrow*

1)it is used for cutting edges 

2) it is used to till the soil where crops to be planted 

3 it is also used to chop unwanted weeds or crop remainders 

iii) Rider 

1) it’s used for cultivating small ginger 

2)it is used for gathering and heaping the loose soil 

3) it is an implement which cuts and turn the soil into opposite direction

2b)

I) it influences the availability of many nutrients 

ii) photosynthesis 

iii) maintain temperature

iv) soil air is important because it is needed by many of the micro-organism that release plants nutrients to the soil 

2c)

i) mechanical tiling or plowing 

ii) control burning a weed infested to clear it for seeding 

of desirable plants

iv) it involves natural pest population control method.

*NO 4 Answers

i. Staking is the practice of driving a stake or rod into the ground close to a plant to provide support for its stems.

ii. Hardening off is a term used to refer to the processes necessary for a plant to become acclimated to its environment. In the spring, it’s common practice to gradually accustom greenhouse vegetable seedlings to full sunlight and drying winds before planting them.

iii. earthing up or ridging is the technique in agriculture and horticulture of piling soil up around the base of a plant. It can be done by hand (usually using a hoe), or with powered machinery, typically a tractor attachment.

iv.

Agriculture Obj

1— stimulation of infrastural growth
2— outright purchase
3—Purpose of selling in order to make profit
4— cutting of bold wood
5— Clean and store in cool and dry
6— encouraging cooperative farming
7— human power
8- drainage
9- inadequate capital
10- can only be used where it is found
11- Jute
12- acidity increases from PH8 to
13- basalt
14- 50%
15-dissolution of plant nutrient
16- increase in soil acidity resulting
17-mulching
18- increase vegetative growth in plant
19- reduce salt content
20- cocoa and oil palm

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