πŸ’―% CORRECT WAEC GCE IST SERIES BIOLOGY PRACTICAL ANSWERS HERE!

(1ai)
A – Hind limbs
B – Fore limbs

(1aii)
I – Pelvis
II – Femur
III – Patella
IV – Tibia
V – Fibula
VI – Ulna
VII – Scapula
VIII – Clavicle
IX – Humerus
X – Ulna

(1b)
(i) Ball and socket joint
(ii) Hinge joint
(iii) Ball and socket joint
(iv) Hinge joint

(1c)loading

(1d)
tabulate
Specimen C
(i) possession of no tail
(ii) possession of long and strong leg with bent shape
iii) short neck is present
(iv) possession of digits i.e pentadactyl digits
(v) the nose is a bit pointed and not flat
Specimen D
(i) possession of tail
(ii) possession of straight and short hind leg
(iii) long and extended leg is present
(iv) possession of no digits
(v) the nose is flat
(1e)
(i) D will run faster
(ii) it posses almost equal length of hind leg and foreleg

(2a)
Y – Stem of vascular plant
Z – Carnivorous plant

(2bi)
It helps to reduce effect of insects on green plants

(2bii)
(i) It attract the pollination
(ii) It help for photosynthesis

(2ci)
I – Apex
II – Leaf blade
III – Leaf margin
IV – Midrib
V – Petiole
VI – Stipule

(2cii)
II – It connects the network venation
IV – It contain chloroplast for photosynrhesis
V – It attaches the leaves to the stem
VI – It helps to connect the blade

(2di)
Nirogen

(2dii)
(i) Autotrophic feeding
(ii) Heterotrophic feeding

(3ai)
A – Bear
B – Cactus plant
C – zebra
D – preying martia
E – chameleon
F – Tree plant
(3aii)
A- Aquatic (cold region)
B – Terrestrial
C – Terrestrial
D – Aboreal
E – Aboreal
For – Aquatic
(3bi)
tabulate
Specimen A
Biological feature – fur
Function – to maintain their body temperature
Specimen B
Biological feature – thorn
Function – prevention against predators
Specimen C
Biological feature –
Functions –
Specimen D
Biological feature – Skin
Function – camouflage use for the prevention from prey
(3bii)
Specimen B: Thorn’s
Specimen D: Wings
SpecimenE: Skin
(3c)
Tabulate
Under Specimen B
(i)presence of Thorn’s
(ii)absence of leaves
Under Specimen F
(i)Absence of thorns
(ii)presence of leaves
(3di)
Organisms F need enough water to germinate and survive
(3dii)
Organism F does not passes any feature which can prevent it from predators
(3e)
(i)Reptilia – bear
(ii)mammalia – zebra
(iii)dicotyledonea – tree plant

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