Practical Biology 2015 Neco Answers Now Availaible!!!

By 12:40 Thu, 04 Jun 2015 Comments


Friday 5th June Paper I: Practical – Biology

10.00am-12.00pm

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1ai)

A = HOUSEFLY

B = TOAD

C = CRAYFISH

D = HIBISCUS FLOWER

E =BEAN SEED F = COCONUT SEED

1aii)

A-Insecta

B-Amphibian

C-Crustacean

1bi)

Cholera

Typhoid

1bii)

- possession of fine webbed digits for

swimming

-Possession of gills at larva stage for

respiration

-Adaptation to life on land

-Possession of lungs for gaseous

exchange

-Possession of poisonous gland for

protection

-Possession of tympanum for collection

sound wave

1biii)

-presence of water

-Presence of optimum temperaTure

-Viability of the seed.

1ci)

1cii)

Marginal placentation.

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2ai)

G = Maize fruit

H = Mango fruit

I = Tomato fruit

J = Cockroach

K = Earthworm

2aii)

H= Drupe

I = Berry

2aiii)

Similarities

* Both have Endocarp for protection of

seed

* Both have Mesocarp for storage of

seed

* Both have seed

2aiv)

Difference btw H& I

* H = it belong to drupe WHILE I =

belong to berry

* H = It has hard and strong Endo carp

WHILE

I = Has soft and fleshy Endocarp

2bi)

I) Animal

2) Wind

2bii).

Difference Btw J & K J = belong to Insector

K= belong to ammelia

J = possess of wings

K = absence of wings

J = it lives in dark corners

K = lives in moist soil

J = it under goes incomplete

metamorphosis

K = Does not undergo metamorphosis

J = It destroy household materials

K = It serve as decomposer

2biii)

[ Specimen J ]

* It transmit diseases

* it destroy household materials

* it decays organic matter

[ Specimen K ]

* it loosens the soil

* it aerate the soil

* it decomposes plants and animals

matters

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3)

L = Thoracic Vertebra

M = Cervica Vertebra

N = Cauda Vertebra

O = Sacial Vertebra

P = Humerus

3aii)

L = Chest region

M = Neck region

N = Tail region

O = pelvic region

P = Fore limb

3aiii)

[ Specimen L ]

* Possession of long neural spine

* It has large neura canal

* Their transverse Process are well

developed

[ Specimen M ]

* It has a broad and Flat Centrum

* It has a vertebrateral canal

* It has a pair of post zgapophyses.

THE BONE IMG LABEL!!!


Lavicle (Pectoral girdle)

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COMPLETED.

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