2022/2022 ALL NECO/SSCE SPECIMENS/PRACTICALS/SOLUTION QUESTIONS AND ANSWERS
NECO 2022 SPECIMEN
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) Distilled water
(v) Red and Blue litmus paper
(vi) Barium chloride solution
(vii) Phenolphtalein
(d) Methyl orange
(e) One boiling tube
(f) Five test tubes
(g) Filtration
(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 8.60cm³ of the concentrated hydrochloric acid per dm³ solution.
(b) 150cm³ of sodium trioxocarbonate (iv) solution in a bottle labelled “Bn”. The solution which should be the same for all candidates will contain 3.20g of sodium trioxocarbonate (iv) per dm³ of solution.
(c) One spatulaful of potassium trioxocarbonate (iv) 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.
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