Thursday, 14 June 2012

NECO, AGRICULTURAL SCIENCE PRACTICAL, QUESTION, AND ANSWERS-2012

Likely Agricultural science practical Questions and Answers

(1ai)Identify specimen A and Specimen B Answer:- Specien A Go-to-hell{sickle} Specimen B Hoe a
ii. With Reasons Answer:- specimen A It consists of a curved blade and short wooden handle. specimen B It is rectangular or Oval shaped metal head fitted to a short,wooden or steed handle. b. State three uses of specimen A and specimen B Answer:- specimen. A.
i.It is used to harvest friuts,cereals [rice]
ii. For harvesting Of Grass pastures
Specimen B.
i. Making ridges
ii.Digging
ii.Uprooting of strumps
iii.Planting of yam, cocoyam, cassava
iv.Loosening of the soil c. List 3 maintenance of specimen A and specimen B
Answers:- i.Apply grease to metal part to avoid rusting ii.Sharpen regularly blunt edges iii.store in rain free and termite free areas. iv.store in a cool dry place
v.Use for the right operation

Specimen B
i.After use wash and dry
ii.If the edges are twisted by being struck against large pieces of store,it can be straightened
iii.store in cool Dry place iv.Use for the right Operation d. List 2 other farm implement that can be Used Instead of A and B Answer:- ...to be continueD....

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LETS CONTINUE....

Observable Features of Specimen C=> Sandy soil

1. It has loose structure
2. Gritty to touch
3. Has large particles
4. Particle fall apart when wet
5. Not plastic or sticky

Observable Features of Specimen D=> Clay/Clayey soil

1. Has small particles
2. Smooth and fine texture
3. Closely packed particles
4. Sticky when yet

Uses of Specimen H=>Cutlass
1. It is used for felling small trees
2. For clearing bushes
3. For digging holes
4. For harvesting crops


Maintenance of specimen H
1. Store in cool & dry place
2. Sharpen blunt edges
3. Oil the metal parts
Uses of Specimen I=>Hoe

1. Used for surface cultivation
2. Used for removal of weeds and harvesting of groundnut & yam
3. For making heaps and ridges

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*Maintenance of Specimen I
1. Store in a cool & Dry place
2. Sharpen blunt edges
3. Oil the metal part
4. Clean after use

GENERAL  MAINTENANCE OF SPECCIMEN A,B,C, D AND F.

i.   All instruments must be cleaned after use.
ii.   Keep instruments in good and dry place.
iii.   Keep them away from rain and heat (sun).
iv.   The metal parts should be oiled or greased.

CHARACTERISTIC OF SPECIMEN G,H AND I

Specimen G
i.   They reproduce sexually.
ii.   Possession of calcerous shells secreted by  the mantle for protection, damage and the predators.

Specimen H
i.   Possession of segmented body.
ii.   Possession of jointed limbs or legs for movement

Specimen I
i.   Long segmented body is present.

CULTURAL PRACTICES OF SPECIMEN M,N AND O:

M: 1. Weeding. 2. Watering. 3. Staking
N: 1. Pest and diseases control. 2. Fertilizer application. 3. Weeding.
O: 1. Harvesting. 2. Weeding. 3.fertilizer application.
Pest of M:  1. Cricket.2. birds
Disease of M: 1. Eusarium wilt. 2. Leaf Spot.
Symptom: gradual  dropping of leaves followed by witting and drying up of the whole plants.
Control:  1. Treat with copper fungicides 2. Practice crop rotation.
Pest of Specimen N:  1. Aphids. 2. Scale insects..  Control: spray with insecticides e.g  gamalin 4o.
Symptom of tristeza(viral):  1. Phloem swelling at bud union.
Control: use resistant varieties.
Symptom :  1. scab i.e citirus scab(fungal disease) . 2. Yellowish of leaves plant especially at nursery stage.
Control: treat with fungicide e.g Bordeaux mixture.
Pest of Specimen O:    1.Rodents 2. Grasshoppers, Control:  1. Trapping 2. Shooting with gun. 
Disease of Specimen O:
1. Cassava mosaic.  Symptoms: 1. Vein  clearing. 2. Stunted growth.. Control:  grow resistant varieties.
2.   Bacterial blight: symptom:  water soaked at area of coloured leaves tissues. Control: use clean and disease free stem cuttings.

ANIMALS FROM WHICH SPECIMEN Q, R AND S CAN BE DERIVED:

Q:  1. From female cattle (cow). 2. From female sheep(ewe)
R: 1. Female fowl(hen). 2. Female guinea fowl.
S: 1. From skin of cattle. 2. From skin of sheep.

ECOMONOMIC IMPORTANCE OF SPECIMEN Q, R, AND S:
Q:  1. Source of protein in food. 2. It supplies  mineral to livestock. 3. It can be used to raise foster calves, lambs or children. 4. It is used as extender in an artificial insemination.
R: 1. It is used in cosmetics industries. 2. It is used for reproduction. 3. It is used in production of adhesives. 4. It is a source of protein in human diet or food.
S:  1. It is used in clothing materials e.g jacket. 2. It can be processed into meat e.g pormon(skin) . 3. It can be processed into leather for the manufacture of bags, shoes, ropes, foot wears, e.t.c.

QUESTION: With the aid of anointed diagrams show the external features of both specimen G and I(snail and earthworm respectively.

ANSWER:  1. Draw snail showing shell, collar, eyes, tentacles, muscular foot. 2. Draw earthworm showing mouth, chetae, male opening, female opening, clitellium, anus, body segments

IMPORTANCE OF SPECIMEN G, H and I in agriculture:  1. They help to decompose  organic materials in the soil to form humus. 2. They improve soil water percolation. 3. They improve soil structure.

ADVANTAGES OF SPECIMEN J, K and L:  1
J:  1: it helps to improve yield of crops. 2. It improves the structure of the soil. 3. It increases the fertility of the soil. 4. It increases the growth of planktons in the fish-ponds.
K:  1. As organic manure, it usually Improves aeration of the soil. 2. It improves the water holding capacity of the soil. 3. It reduces soil temperature fluctuations. 4. It also improves activities of soil micro organisms in the soil.
L: 1. It reduces soil acidity 2. It improves soil structure. 3. Lime increase the rate of water percolation in the in the clay soil.

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PROPAGATION METHODS OF SPECIMEN M,N,O and P:
M- sexual(seeds).
N-both sexual and asexual propagation.
D-  asexual (stem cutting).
P- asexual .

5 comments :

Tnx 2 u all 4 ur assistance and modestty...........but pls i still need d full article of dis agric practical questions and answers.........waiting for a positive respond.......tnx.

Tnx.....alot guyz......i njoy ur hands of assistance........and u all will neva lack coz u've all given freely and u also wud recieve freely 4rm above..........pls keep up wit dis.......neva slack 4 any reason......

I wil join your forum,for this. Continue.i love you guys. Thanks

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