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Neco 2016 Biology practical question and Answers – june/July Expo

Neco 2016 Biology practical question and Answers – june/July Expo

VERIFIED NECO 2016 BIOLOGY PRACTICAL QUESTIONS AND ANSWERS

Monday 6th june
BIOLOGY PRACTICAL 10:00am-12:00pm
+++++++++++++++++++++++++++++++++++
 We now have the full questions and answers with us now.

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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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SOLUTION
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

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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)

(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

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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
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Posted by on June 5, 2016.

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