NECO 2016/2017 BIOLOGY PRACTICAL FREE ANSWER HERE - NAIJAHUD

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NECO 2016/2017 BIOLOGY PRACTICAL FREE ANSWER HERE


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


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

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

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

+++++++KEEP REFRESHING FOR MORE+++++++++