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See 2016/2017 NECO May/June Biology Practicals Questions & Answers Posted Here [05/06/2016]

CURRENT EXAMINATION:

NECO May/June Biology Practicals Questions & Answers;
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BIOLOGY PRACTICAL ANSWERS

1a)
A-termite
B-bee
C-cricket
D-pride of barbados(dry pod)
E-orange fruit F-guava fruit

1aii)
insecta
1aiii)
i)It possesses three pairs or walking legs
ii)possession of three body division
1aiv)
SpecimenA
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
speciemensB
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

2a)
G-spider
H-tilapia fish(fresh/freshly preserved)
I-african giant snail
J-irish potato(tuber)
K-sweet potato(tuber) L-yam (tuber)

(2aii)
G-Annelida
H-Pisces
I-Crustacea
(2aiii)
J-Stem tuber
K-root tuber
L-Root tuber
(2bi)
H-Aquatic
I-Terrestial
(2bii)
Specimen I:
-It has shell
-It has muscular foot
-It has radula
 

(3ai)

-A pink colouration is observed
-Peotein is present
-A brick red precipitate is formed
-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

(4ai)
L is an Ear Tag
(4aii)
M is animal skin

(4bi)
Cattle

(4bii)
Horse

(4c)
For identifying of breed

(4di)
Colouring
Tattooing
Ear notching

(4e)
Excretory
Water Regulation
Osmo regulation
Protection of the body organs

(4f)
For making furniture's and design
For making drum
For making shoe
For making clothes and design

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