100% NECO 2014 Biology Practical Answers Available Here

By 12:12 Thu, 29 May 2014 Comments


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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