NECO BIOLOGY PRACTICAL ANSWERS
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EXAM TIME: Monday 6th june
BIOLOGY PRACTICAL 10:00am-12:00pm
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(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

specimen B
(i)it is use for pollination of flowers
(ii)it is important for production of live honey bee

(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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(2ai)
G-Spider
H-Tilapia fish
I-African giant snail
J-Irish potato
K-Sweet potato
L-Yam

(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

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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