Weac 2017/2018 WASSCE May/June Physics/Agricultural/Chemistry/Biology Practical Specimens Questions And Answers solutions PHYSICS SP...
Weac 2017/2018 WASSCE May/June Physics/Agricultural/Chemistry/Biology Practical Specimens Questions And Answers solutions
= restort stand with clamp
= 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 ]
= about 3m
= stop watch
= tissue paper/pad
= meter rule
= measuring rape
= equilateral triangular glass prism
= Four optical pins
= Four thumb pins
= Cellatex board
= drawing papers
= Resistance box capable of reading 1m to 10m
= Voltmeter (0.5v)
= Plug key
= Two dry cells each of emf (1.5v)
= six connecting wires.
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)
== 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.
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.
Specimen Q: slide of Hydra
Specimen R: small mammal (rat/rabbit/Guinea pig), wet preserved
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)
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.
(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.