2017 WAEC GCE Agric Science Obj And Essay/Theory Questions and Answer – NOV/DEC 2017 Expo Runz

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2017 WAEC GCE AGRICULTURAL SCIENCE ANSWERS FROM segunblogs.com.ng
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Agric Science obj
1-10. DCBCBCBACB
11-20. BBBBCCBADB
21-30 DDDADDDABB
31-40. AACDCCDBCD
41-50. BCDBDBDACC
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*AGRICULTURAL SCIENCE THEORY 



*WE LEAD WHILE OTHERS FOLLOWS*


1a.
I) unpredictable climate
1. Droughts or prolong periods without rain results in poor yields
2. Flooding results in erosion 
3. Inadequate sunshine also reduces photosynthetic ability of plants

ii) inadequate rural infrastructure
1. This results in urban drift ie massive exodus to big cities for better standard of living.
2. Results to massive reduction in agricultural work force in rural settings
3. Results in low agricultural production

iii) Diseases
1. Result in increase in agricultural cost of production
2. Reduce the quality of farm produce
3. Reduce farmers income

1bi)
1. Contour ditch  2. Border dyke 3. Furrow irrigation  4. Wild flooding

1bii)
1. High salt problems or salinity of soil which prevents proper growth of crops
2. Transmissions of diseases is possible
3. There is a build up and spread of pests
4. Pollution of the environment is possible
5. There is high cost of equipment
6. Vectors of diseases breed freely

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3ai)
i)Long lactation periods
ii)Immunity and resistence from diseases
iii)Healthy variety
iv)Long life

3aii)
i)Camels
ii)Horses

3aiii)
i)It can perform more tedious jobs than man.
ii)It can handle many farm operations.
iii)It can be controlled or easy to operate.
iv)They are much stronger than man

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No 4)
ABIOTIC COMPONENT:
I)light
II)temperature
III)water
Iv)atmosphere and wind

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4B)IMPORTANCE OF CARBON CYCLE

I)it is the basis of soil fertilizer

ii)it increases soil nutrients

Iii)it promotes the soil structure

Iv)it is both biological and physical health of the soil

V) it is a buffer against harmful substances

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 No-4D i)LIST OF FIBRE CROPS

I)KENAF- an edible seed
Ii)BEANs- an edible seed
Iii) Indian hemp- the dog bane

Iv) hemp- a strong fibre

V) FLAX- produces linen

4DII) BEVERAGES

I) - WHOLE MILK
II) SKIM MILK
III) COCOA
IV) BARLEY
V)GRAPES
Vi) chicons
Vii) coffee
Viii) Vegetable juice
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5ai) -Beak/Mouth
-Esophagus
-Crop
-Proventriculus
-Small Intestine

5aii) -Beak/Mouth: The Beak/Mouth contains glands that secrete saliva, which wets the feed to make it easier to swallow. Also, the saliva contains enzymes, such as amylase, that start the digestion process.

-Esophagus: The esophagus is a flexible tube that connects the mouth with the rest of the digestive tract. It carries food from the mouth to the crop and from the crop to the proventriculus.

-Crop: The crop is an out-pocketing of the esophagus and is located just outside the body cavity in the neck region. Swallowed feed and water are stored in the crop until they are p

-Proventriculus: The esophagus continues past the crop, connecting the crop to the proventriculus. The proventriculus (also known as the true stomach) is the glandular stomach where digestion primarily begins.

-Small Intestine:The small intestine is made up of the duodenum (also referred to as the duodenal loop) and the lower small intestine. The remainder of the digestion occurs in the duodenum, and the released nutrients are absorbed mainly in the lower small intestine
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*MR brain TEAM*
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Q6a. 1. Centro 2. Mucana 3. Stylo 4. Sun hemp
Q6b.
Q6c

Debit
Purchases and expenses (le)
Opening valuation- 15,000.00
Cost of agrochemicals- 3,800.00
Hiring of labour- 9,000.00
Transportation - 1,500.00
Cost of processing farm produce - 2,500.00
Miscellaneous - 2,000.00
Total- 33,800.00
Net profit- 40,200.00
Grand total - 74,000.00

Credit
Sales and receipts (le)
Closing valuation - 15,000.00
Sales of crops - 57,700.00
Crops consumed - 1,300.00

Total - 74,000.00

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