NECO BIOLOGY Practical ANSWERS
1a) Specimen A-termite
specimen B-bee
specimen C-cricket
Specimen D-pride of barbados(dry pod)
Specimen E-orange fruit
Specimen F-guava fruit
1aii)
insecta
(1aiii)
(i)It possesses three pairs or walking legs
(ii)possession of three body division
(1aiv)
Specimen A
(i)it speeds up decaying process by breaking down of dead trees to form humus which increase soil fertility
(ii)it is source of proteins
Speciemens B
(i)it is use for pollination of flowers
(ii)it is important for production of live honey bee
1v)
1vi)
Central
1vii)
D- Legume
E – Berry
1viii)
-It has pod
-It has succulent endoderm
1ix)
TABULATE
Specimen D:
-No fleshy endoderm
-Has pod
Specimen F:
-Has fleshy endoderm
-No pod
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2a)
G-spider
H-tilapia fish(fresh/freshly preserved)
I-african giant snail
J-irish potato(tuber)
K-sweet potato(tuber)
L-yam (tuber)
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(3ai)
i) A pink colouration is observed
ii) Peotein is present
iii) A brick red precipitate is formed
iv) Carbonhydrate is present
(3aii)
– It builds body tissues and cells
– it prevent body against infections
– It gives energy to the body
– It gives the body ability to maintain temperature
– It allows for blood production
(3aiii )
Polypeptides
(3b)
– A pink colouration is formed
– Hydrolysis
3ci)
R - skull
S - scapular bone
ii)
FUNCTIONS OF SPECIMEN R(skull)
i) it protects the brain
ii)it protects the sense organ
iii)it house the brain of mammals
FUNCTIONS OF SPECIMEN S(scapular bone)
i)it supports movement
ii)it attaches movement of ythe body
3civ)
i)pivot joint
ii)ball and socket joint
3v)
Appendicular - scapular bone
Axial - skull
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MORE LOADING…
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-SPECIMENS
A-termite
B-bee
C-cricket
D-pride of Barbados(dry pod)
E-orange fruit
F-guava fruit
G-spider
H-tilapia fish(fresh/freshly preserved)
I-african giant snail
J-irish potato(tuber)
K-sweet potato(tuber)
L-yam (tuber)
M-egg (albumen raw)
N-glucose monohydrate(1g)
O-benedict solution(2%)
P-potassium permanganet crystal (1g)
Q-millon’s reagent
R-skull small mammal
S-scapula bone
T-water –
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