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100% NECO 2014 Biology Practical Answers Available Here









NECO BIOLOGY PRACTICAL ANSWERS

1ai)A-cervical vertebra,
B-Thoracic,
C-Quadrat,
D-sweep net.

1aii)
A-Bird(reptiles)
B-human.

1aiii)
A-skull,
B-skull.

1aiv) similarities are:
they both support the
nass,to catch organism

C-it makes predictions about the features,behaviour of an ecosystem.

1bii):the num of each specie within d quadrat is noted:

the avera eck of mammals:

they allow rotation movement of the skull: they both
permit the head to be turned from side to side.

1bi)
D-it is used in the area of long grge number of occurrence of each specie in a quadrat is
recorded:the frequency is divided by the area
of the quadrat


(2a)(i)
F- Ripe Mango
G- Tridax fruit
H- Coconut fruit
I- Pawpaw fruit
J- Tomato fruit

(2a)(ii)
F- Human
G- Wind

(2a)(iii)
-Because the fruits are eaten
by man and the seeds are
dropped
elsewhere to germinate
-The fruits or seeds may be
collected and planted
deliberately.

(2a)(iv)
I is parietal placentation
J is Axile placentation

(2a)(v)
F- True fruit
G- Dry fruit
J- Fleshy fruit

(2b)(i)
K- Bean seedling
L- Lizard
M- Grasshopper
N- Tilapia


(3ai)
O-cockroach
P-cactus plant
Q-water lettuce
(3aii) Draw the DIAGRAM

(3aiii)
-it causes disease
-it destroys cloth and books

(3bi)
+specimen P adaptive features
are:-
-Greenish stem for
photosynthesis
-succulent stem for water
storage
-flattened stem to recieve
maximum light

+Specimen Q adaptive featuresare:-

-spongy leaves that aid
buoyancy
-slender stems that offer
minimum resistance to water
current
-numerous adventitious roots
for absorption of water.

(3bii)
Differences between P and Q

TABULATE:

UNDER P
-thick stem present
-taproot present

UNDER Q
-slender stem present
-adventitous root present

(3biii)
Habitats of specimen P and Q
are:-
P-dry/arid region
Q-lakes/aquatic




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