Waec Gce agric answers 2021

Waec Gce agric answers 2021

*1c*

(i) small farm holding/land fragmentation /land tenure system

(ii) farming systems do not encourage mechanization

(iii) no access roads for machines

(iv) it is costly or expensive to hire machines and most farmers are poor

(v) high running costs for machinery

(vi) heavy tree stumps left after land clearing hinders use of machinery

(vii) machines/implements are expensive to purchase

*(Ciii)Balance Sheet* is a summary of the financial balances of an individual or organization, whether it be a sole proprietorship, a business partnership, a corporation, private limited company or other organization such as government or not-for-profit entity.

(i) small farm holding/land fragmentation /land tenure system

(ii) farming systems do not encourage mechanization

(iii) no access roads for machines

(iv) it is costly or expensive to hire machines and most farmers are poor

(v) high running costs for machinery

(vi) heavy tree stumps left after land clearing hinders use of machinery

(vii) machines/implements are expensive to purchase

1b)i To improve human welfare and food supplies in Africa.

ii ILCA’s approach, to increase farm income through low cost increases in livestock production

iiiIncreased livestock production provides the cash income so essential for increases in food grain production in a part of the world where adequate credit mechanisms are available.

1d) – Use protective clothing when spraying.

– Do not smoke, eat or drink when spraying.

– Do not use when it is windy.

– Do not spray against wind direction.

– After use, always wash hands and face before attempting to eat, drink or smoke.

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– Never blow to clear the blocked

5bi)

•Bile production and excretion.

•Excretion of bilirubin, cholesterol, hormones, and drugs.

•Metabolism of fats, proteins, and carbohydrates.

5bii.

•Controlling ACID-base balance.

•Controlling WATER balance.

•Activating vitamin

(2bi)

(i) Carbon in the atmosphere is taken up by plants for the production of starch through photosynthesis.

(ii) Plants give out oxygen while animals give out carbon dioxide during the process of respiration thus maintaining the atmospheric level of carbon dioxide and oxygen.

(iii) The released carbon provides the major building block of all organic matter.

(2bii)

i. Silos

ii. Cribs

iii. Rhombus

iv. Storage Barns

v. Silage

(1a)

TABULATE

=FREEHOLD=

(i) It is not paid for

(ii) It can be used to cultivate any type of crops

(iii) There is total freedom

(iv) It cannot be collected

 

=LEASEHOLD=

(i) It is paid for

(ii) It cannot be used to cultivate any type of crops

(iii) There is no total freedom

(iv) It can be collected

 

(1b)

(i) To create employment opportunities

(ii) To increase production rate in livestock

(iii) To educate farmers

 

(1c)

(i) Inadequate fund

(ii) Illiteracy

(iii) Religious belief

(iv) Problem of land tenure system

(v) Inadequate technical know-how

(vi) Inadequate good transport network

(1d)

(i) Do not use when it is windy

(ii) Use protection clothing when spraying

(iii) Do not smoke, eat or drink when spraying

(iv) Do not spray against wind direction

(v) Never blow to clear the blocked nozzle with the mouth

(2bi)

(i) Carbon in the atmosphere is taken up by plants for the production of starch through photosynthesis.

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(ii) Plants give out oxygen while animals give out carbon dioxide during the process of respiration thus maintaining the atmospheric level of carbon dioxide and oxygen.

(iii) The released carbon provides the major building block of all organic matter.

(2bii)

i. Silos

ii. Cribs

iii. Rhombus

iv. Storage Barns

v. Silage

(5ai)

Marek’s disease

(5aii)

Virus

(5aiii)

(i)Unhygienic Environment

(ii)Poor feeding

(iii)Inadequate balanced ration

(5aiv)

(i) Regular vaccination

(ii) Giving of balanced ration

(iii) Isolation of infected birds

(5bi)

(i) Bile production

(ii) Excretion

(iii) Production of hormones

(5bii)

(i) Excretion

(ii) Control of water levels

(iii) Regulation of salt concentration

(5c)

(i)It causes flower shed

(ii)It causes sterility increase

(iii)It reduces fruit set in all crops

(iv)It cause lodging of crops leading to heavy loss

(3a)
[img]https://i.imgur.com/IhDNntr.png[/img]

(3b)
(i) It ensures continuous supply of carbon to living organisms
(ii) It creates fuel
(iii) It ensures continuous supply of hydrogen to living organisms

(3c)
(i)Silos
(ii)Barn
(iii)Bags
(iv)Sacks

(3d)
(i) It affects growth of poultry birds
(ii) It reduces their reproduction rate
(iii)It cause loss in egg production
(iv)It breaks feathers and shafts of poultry birds

 

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