FREE CHOCKS!!! NECO 2015 AGRICULTURAL SCIENCE (obj & Essay) ANSWERS

FREE CHOCKS!!! NECO 2015 AGRICULTURAL SCIENCE (obj & Essay) ANSWERS
Runs Updates Desk:
Upnext 2015 SSCE Exam Schedule.
NECO Exam
Friday, 26th June, 2015
AGRICULTURAL SCIENCE (obj & Essay)
10.00a.m - 12.40p.m

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Verified AGRICULTURAL SCIENCE Obj
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OBJ:TYPE A
  1-10: BDCABEDBBB
11-20: B–CBAADDBA
21-30: DAAEDBBDBC
31-40: CADCADCDED
41-50: BCDDCDEABA
51-60: EA–DDBEACC

Note: Always indicate the Paper type that you Used. Don’t Panic, You will be Marked Right.


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NECO AGRICULTURAL SCIENCE 2015 ANSWERS ESSAY
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(1a)
– they assist in rural development by providing social amenities

– they carry out research to improve new crop varieties

– they fund research for better farming method and also develop farm implement

– they helps to control weeds,pests&diseases organism by providing necessary chemical

(1b)
– IMPLEMENT&MACHINERY: science and technology has aided the development of implements&machinery which have replaced the olds tools

– PROVISIONS OF STORAGE FACILITIES: they help to develop storage facilities for preservation of harvested product.

– DEVELOPMENT OF FARM MANAGEMENT SYSTEM: this also develop the farm system with the aid of science and technology

– ANIMAL NUTRITION: this developed feeds, new formulated to meet the nutrition demand of animal

(1c)
* Replacing of trees
* Crop rotation
* Bush fallowing
* Cover cropping

(1d)
Farm surveying is the measurement of land made on farm,such measurement by tables, plans and done for specific purpose.

(1e)
– it ensure the passage of grains and chaff through diff nozzles

– it cleans the grain by separating them from chaff
================(2)=====================

================(3)=====================

================(4)=====================
(4a)
AMMONIFICATION: it’s the process involving the formation of ammonium compound from dead and decaying plants&animals and their waste product of life urine and faeces

NUTRIFICATION: Is the process that involve conversation of ammonium compound first nitrite by nitrifying bacteria called nitrosomonas, the nitrite are converted by oxidation of nitrates by another bacterium called nitrobacter

(4b)
-Topography
-Population growth

(4c)
ORGANIC MANURE>
-it refers to decayed plant&animal product

-it conserve moisture&prevent evaporation from soil
INORGANIC MANURE>

-it refers to non decayed plant&animal

-it does not conserve moisture

(4d)
– it does not support leaching hence, contain plant nutrition

– the particles are sticky&mouldy when wet

– percolation in clay soil is low but capilarity is high

– it support water – logging&erosion

(4e)
[INTRUSIVE IGNEOUS ROCK]
-Are formed when motion magma cool&solidifies slowly before it get the surface of the earth to form large crystal

-Examples are: granites
[EXTRUSIVE IGNEOUS ROCK]

– Are formed when molten magma cool&solidifies rapidly on getting to the surface of the earth to form small crystal

– Examples are : basalt

(4f)
-sprinkler irrigation

– drip irrigation
================(5)=====================

================(6)=====================
(6a)
This involves the importation of introduction or some varieties of crop with desirable characteristics into area where they are not existed before.

(6b)
* it lead to loos of organic matter
* it may lead to desert enchroachment as sand particle are more likely to drop in area without trees
* it destroy micro-climate&warm up the environment
* it reduce the amount of rainfall in the area.

(6c)
* Remove and burn infected plant
* practice crop rotation
* plant diseases – resistant varieties of crop
* spray plant protection chemical such as fungicide&nematicide

(6d)
– LAND PREPARATION: this is done manually using cutlass&hoe to make ridges or mechanically by ploughing.

– CLIMATIC REQUIREMENT: it required a temperature of over 20 degree C, 75cm to 120cm of rainfall for upland rice and over 250cm for swamp

– CULTURAL PRACTICE:
(i)Weeding :- it is done to ensure rapid growth of rice
(ii)Fertilizer application: apply 150kg or 3 bag of N.P.K fertilizer per hectare at planting by broadcasting.

– DISEASES: Rice smut

– PEST: Rice weevils

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