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Monday, June 3, 2019

2019/2020 NECO All Specimens/ Questions and Answers (Expo/Chokes) Runs

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*NECO SPECIMENS 2019/2020*

*_BIOLOGY PRACTICAL SPECIMEN:_*

SPECIMEN A: Bean seedlings (less than seven days old)
SPECIMEN B: Maize seedlings (less than seven days old)
SPECIMEN C: Coconut fruit (dry with husk)
SPECIMEN D: Tridax fruit
SPECIMEN E:  Frog/Toad
SPECIMEN F: Praying Mantis
SPECIMEN G: Lizard
SPECIMEN H: Snail
SPECIMEN I: Grasshopper
SPECIMEN J: Cockroach
SPECIMEN K: Orange
SPECIMEN L: Mosquito
SPECIMEN M: Measuring cylinder
SPECIMEN N: Soil sample (loamy soil)
SPECIMEN O: Earthworm
SPECIMEN P: Hygrometer
SPECIMEN Q: Thermometer
SPECIMEN R: Hand net


========================

*_AGRIC PRACTICAL SPECIMEN:_*

SPECIMEN A: Knapsack sprayer
SPECIMEN B: Hand fork
SPECIMEN C: Head pan
SPECIMEN D: Ranging pole
SPECIMEN E: Wood ash
SPECIMEN F: Urea
SPECIMEN G: Cowpea seeds
SPECIMEN H: Banana fruit
SPECIMEN I: Poultry droppings
SPECIMEN J: Tilapia fish

========================

*_CHEMISTRY PRACTICAL SPECIMEN:_*

Requirements:
(a) One burette (50cm³)

(b) One pippete (20cm³/25cm³). However, all candidates in a center must use pipettes of the same volume.

(c) The usual apparatus and reagents for qualitative work including:
(i) Dilute sodium hydroxide solution
(ii) Dilute ammonia solution
(iii) Dilute hydrochloric acid
(iv) Barium chloride solution
(v) Distilled water
(vi) Red and Blue litmus paper
(vii) Phenolphtalein

(d) Methyl orange

(e) One boiling tube

(f) Five test tubes

(g) Filtration apparatus

(h) Source of heat

Each candidate should be supplied with the following: Labelled An, Bn, Cn, where ‘n’ is the candidate’s serial number.

(a) 150cm³ of chloride acid solution in a bottle labelled “An”. The acid solution which should be the same for all candidates will contain 3.4cm³ of the concentrated hydrochloric acid per dm³ solution.

(b) 150cm³ of sodium hydroxide solution in a bottle labelled “Bn”. The solution which should be the same for all candidates will contain 4.0g of sodium hydroxide per dm³ of solution.

(c) One spatulaful of copper (ii) tetraoxosulphate (vi) salt in a specimen bottle labelled “Cn”.

========================

*_PHYSICS PRACTICAL SPECIMEN:_*

QUESTION 1
• Knife edge
• Meter rule
• 100g and 150g masses
• Thread

Question 2
• Four thumb pins
• Four optical pins
• Drawing paper
• Drawing board
• Rectangular glass prism

Question 3
• Plug key
• Connecting wires
• Ammeter (0.2A or 0-3A)
• Voltmeter (0-3V)
• 2Ω standard resistor covered and labelled Q
• Jockey
• 2 × 15V dry Leclanche cell or 2V Accumulator
• 1.2 constantan wire (SWG 26)
• Crocodile clip

COMPLETED

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