Neco agric answers 2021

Here is the neco agricultural answers for 2021, share to your friends so everyone will pass. Good luck

AGRIC. SCIENCE OBJ!

1-10: DBBBEDBEDD

11-20: DDBAACDADD

21-30: EECAAABBDB

31-40CABCCBACCDB

41-50: AADCADAADE

51-60: CDEA###B##

(4ai)

-magnesium-

(i)Magnesium is also used by plants for the metabolism of carbohydrates

(ii)It is used in cell membrane stabilization.

(4aii)

-Manganese-

(i)It is used for nitrogen metabolism

(ii)For synthesis of some enzymes

(4aiii)

-Molybdenum-

(i)To convert nitrate into nitrite and then into ammonia.

(ii)It is also needed by symbiotic nitrogen fixing bacteria in legumes to fix atmospheric nitrogen.

(4b)

(i)Less water is lost in the process and there is no run-off.

(ii)Subsurface irrigation systems can free up aboveground space.

(iii)Crops grown in these conditions may grow more uniformly.

(iv)With less water remaining on the leaves, there is a lowered risk of excessive moisture damage.

(4ci)

-Overgrazing-

(i)Leads to erosion

(ii)Loss of soil nutrients

(4cii)

-Clean Clearing-

(i)Leads to erosion

(ii)Reduction of micro organisms activities

(4ciii)

-Bush Burning-

(i)It kills soil micro organisms

(ii)Leads to loss of soil nutrients.

(5ai)

Hybridization is the process of crossing two genetically different individuals to result in a third individual with a different, often preferred, set of traits.

(5aii)

Homozygous are individual organisms carrying two identical alleles (for example RR or rr) While heterozygous are individual organisms that bear different alleles (for example Rr).

(5b)

(i)Reduction in farm output

(ii)Reduction in farmer’s income for crop producers

(iii)Reduction of quality of crop

(iv)Increase in prices for consumers.

(v)More expenses to fight the disease.

(vi)It causes instability in food supply.

(5c)

(i)Good soil preparation.

(ii)Use of indigenous varieties.

(iii)Pest control through the use of mesh screen (nylon nets)

(iv)Roguing or Pruning

(v)Intercropping with aromatic herbs

(vi)Crop rotation and Multiple cropping

*Wait while your transaction is processing…..*

*Solving carefully like breakable plate*

*More dropping like heavy rainfall*

1a)

i ) farm should be educated to accept modern system of farming especially in area of mechanization

ii ) government should provide loans to enable farmers to purchase from machines

iii ) the land tenure system should be reviewed to enable farmers acquire large land

iv ) simple and less expensive machines should be developed

1b)

i ) to improve farm yield

ii ) to make food available at large quantities

iii ) to enable farmers afford farm input

iv ) to attract more people into farming activities

1c)

i ) the national animal production research institute ( NAPRI)

ii ) Nigeria institute for typanosomiasis research ( NITR )

iii ) animal production, fisheries and oceanography research institutes

1d)

i ) soya beans- oil

ii ) tea – lipton

iii ) sisal- textiles

1e) TABULATE TENACY AT GOVERNMENT WILL

i ) the farmer is at the mercy of government that

allocated the land

ii ) the land is usually smaller in size

RENT TENURE SYSTEM

i ) the farmer is at the mercy of the landlord

that allocated the land

ii ) the land is usually large in size

(2ai)

Farm surveying is defined as the process of measuring and mapping out the position, topography, size and boundary of an area of farmland. Such measurement by tables, plans or layout are done for specific purposes

(2aii)

[PICK THREE]

(i)Topography

(ii)Soil type

(iii)Accessibility

(iv)Water supply

(v)Health /Hygiene

(vi)Nearness to market

(vii)Drainage

(2b)

[PICK THREE]

(i)store in cool dry place

(iii)Paint,Oil or grease metal part before storage for along time

(iii)Clean or wash after use

(iv)Keep away from rain or moist places to avoid rusting

(2c)

[PICK FOUR]

(i)Inadequate land or land Tenure system

(ii)Inadequate Finance or Credit facilities

(iii)Poor Transportation network

(iv)Inadequate storage and processing facilities

(v)Inadequate basic Amenities

(vi)Poor marketing system

(vii)Inadequate Agricultural Education and Extension

(viii)Problems of Pest and diseases

(ix)Inadequate Tools and Machinery

(x)Inconsistent Government policies on Agriculture

(2d) loading……

*SECTION B*

(8a)

(i)Uses of animals and their health problems

(ii)Organs and systems of an animal body

(iii)Rumen movement in ruminants

(iv)Appearance of the healthy animal

(8bi)

-Rinderpest-

(i)quarantine and slaughter.

(ii)vaccination

(8bii)

-Aspergillosis-

(i)Good hatchery sanitation

(ii)Avoidance of mouldy feed

(8biii)

-Anthrax –

(i)Cut off infection source.

(ii)Dispose of anthrax carcasses correctly

(8biv)

(i)Vaccination

(ii)Isolation of suspected animals

(8c)

(i)Poor growth

(ii)High competition for survival

(ii)It could lead to death of animal

*Wait while your transaction is processing…..*

*Solving carefully like breakable plate*

*More dropping like heavy rainfall*