2018/2019 WAEC/WASSCE SPECIMENS/PRACTICALS SOLUTION QUESTIONS AND ANSWERS FOR PHYSICS, CHEMISTRY, AGRIC, BIOLOGY

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Question1
= restort stand with clamp
= cork
= single grooved pulley of about 8cm radius with hole in its
centre
[remove all accessories on the pulley]
= Optical pins, weight hanger
= Slotted masses [ 50g, 70g, 110g, 130g ]
= thread
= about 3m
= stop watch
= tissue paper/pad
= meter rule
= measuring rape
Question 2
= equilateral triangular glass prism
= Four optical pins
= Four thumb pins
= Cellatex board
= drawing papers
Question 3
= Resistance box capable of reading 1m to 10m
= Voltmeter (0.5v)
= Plug key
= Two dry cells each of emf (1.5v)
= six connecting wires.
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AGRICULTURAL SPECIMENS
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Specimen A: Born
Specimen B: Horn
Specimen C: Hoof
Specimen D: water (labelled)
Specimen E: Cowpea seeds
Specimen F: Tridax
Specimen G: Goat Weed
Specimen H: sida
Specimen I: Spear grass
Specimen J: Elephant grass
Specimen K: Pig weed
Specimen L: Water leaf
Specimen M: Urea (labelled)
Specimen N: Compost manure (labelled)
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CHEMISTRY SPECIMENS
====================
== diluted Sodium hydroxide solution
== diluted ammonia solution
== diluted hydrochloric acid
== distilled water
== red and blue litmus paper fehlings solution (III)
Concentrated tetraoxosulphate (VI) solution (H2SO4)
== freshly prepared iron (II) tetraoxosulphate (VI) solution
(Fe2SO4)
== burette (50cm3) ,filtration apparatus– methyl orange
== boiling tube, test tube
== SALTS;.CuO, ZnSO4, Na2CO3.
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BIOLOGY SPECIMENS
==================
Group I
Specimen A: twig of mango plant
Specimen B: twig of ixora plant
Specimen C: leaf of Hibiscus plant
Specimen D: hibiscus flower
Specimen E: green vegetable cut beef
Specimen F: a piece of freely cut beef
Specimen G: worker bee (wet preserved)
Specimen H: soldier termite (wet preserved)
Specimen J: adult cockroach (wet preserved)
Specimen K: nymph of cockroach (wet preserved)
Specimen M: quill feather
Specimen B: scale of bony fish
Specimen P: freshly preserved mammalian skin preferably
of goat or ram
with hair/fur.
Measuring at least 4cm by 4cm placed in a petric dish.
Group II
Specimen Q: slide of Hydra
Specimen R: small mammal (rat/rabbit/Guinea pig), wet
preserved
Group III
Specimen S: a small amount of garden soil in a petric dish.
Specimen T: Orange/lemon/lime/citrus fruits.
Specimen V: tomato fruit
Specimen W: cassava tuber
Specimen XI: stem of young cassava plant measuring at
10cm in length.
Specimen XII: stem of young cassava plant measuring at
least 10cm in
length as in (XI)
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NB: (i) specimens Q and R are peculiar to candidates in
Ghana only
and should not be provided to candidates in Nigeria, Sierra
Leone and
Gambia.
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(ii) specimens S,T,V,W,XI,XII are peculiar to candidates in
Nigeria,
Sierra Leone and Gambia only and should not be provided to
candidates
in Ghana.

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