*WAEC GCE 2019: FIRST SERIES BIOLOGY ALTERNATIVE TO PRACTICAL ANSWERS* BY COOLBOY

*WAEC GCE 2019: FIRST SERIES BIOLOGY ALTERNATIVE TO PRACTICAL ANSWERS*

(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)
I - Hips
III - Knee
VII - Shoulder

(1d)
Tabulate btwn C & D:
Specimen C:
(i) Possession of no tail
(ii) Possession of long and strong leg with bent shape
(iii) Presence of Short neck
(iv) Possession of digits
(v) The nose is pointed
Specimen D
(i) Possession of tail
(ii) Possession of straight and short hind limb
(iii) Presence of long and extended neck
(iv) Absence of digits
(v) The nose is flat

(1ei)
D will run faster
(1eii)
D is adapted to running on both fore and hind limbs while C runs with Only Hind limbs.

(1f)
(i) Kingdom:
C - Animalia
D - Animalia
(ii) Phylum:
C - Chordata
D - Chordata
(iii) Class:
C - Mammalia
D - Mammalia

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

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

(2bi)
For reproduction

(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)
Nitrogen

(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 - Wings
Functions - To fly
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