2018 neco free biology practical May/June Expo/Runz

2018 neco free biology practical May/June Expo/Runz

2018 neco free biology practical May/June Expo/Runz


SPECIMEN A: Elephant Grass

SPECIMEN B: Grasshopper


SPECIMEN D: Housefly



SPECIMEN G: Longitudinal section of whole coconut fruit

SPECIMEN H: Cashew fruit

SPECIMEN I: Transverse Section of Tomato fruit

SPECIMEN J: Tridax fruit

SPECIMEN K: Left femur of a small mammal

SPECIMEN L: Flamboyant flower

SPECIMEN M: Tilapia Fish

NECO Biology Practical answers

Specimen A – Elephant Grass.
Specimen B- Grasshopper
Specimen C- Lizard.
Specimen D – Housefly.

Specimen B – Insecta
Specimen C – Reptilia in the sub-phylum vertebrata.

Specimen D
Houseflies serve as intermediate hosts for several parasitic worms Eg Round worms in their developmental stage.

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Specimen B:
(i) Has fore and hind wing for flight.
(ii) Has cuticle to minimize loss of water.
(iii) Has antenna for feeling.

Specimen C:
(i) limbs are developed for movement on land.
(ii) dry scaly skin to protect it from drying up.
(iii) its digits end in claws for grasping and climbing

A (Elephant grass) -> B (grasshopper) -> C (Lizard)

Specimen E – Termite
Specimen F – Spider


In a tabular form:

Under E
1. Possession of six walking legs.
2. Possession of three body segments.
3. Possession of thorax.
4. Absence of hairy body.

Under F:
1. Possession of eight walking legs
2. Possession of two body segments.
3. Absence of thorax.
4. Possession of hairy body.


G – Coconut Fruit
H – Cashew Fruit
I – Tomato Fruit
J – Tridax Fruit

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In a tabular form:
G | Wind | The flowers do not produce scent
H | Animal | Some flowers have coloured calyx
I | Animal | The flowers do not produce nectar
J | wind | It possesses honey guide

In a tabular form
Under G:
-It has a based and stony endocarp.
-It undergoes marginal placentation.
-Coconut Fruit is dry indehiscent
-It has hard epicarp.

Under I:
-It has scattered scent.
-It undergoes axile placentation.
-Tomato is a dry dehiscent.
-It has a fleshy epicarp.


(3ai) Flamboyant flower

In a tabular form:
Under parts:
1. Filament.
2. Style.
3. Petals.
4. Sepal

3aii) Filament: it attaches the base of the flower and support the anther
Style: it assist with fertilization by being the location where pollen tubes travel to deliver sperm cells to the egg
Petals: it attracts pollination such as butterflies, bees and bats
Under Number:
1. 5
2. 1
3. 5
4. 5

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(i) It has nectary gland.
(ii) The anthers contains few pollen grains.
(iii) The stigma is lobbed with sticky surfaces for easy adherence of the pollen grain.

M – Tilapia fish.


-It is poikilothermic animal.
-It possess dorsal fin for swimming.
-The body is covered with overlapping scales.


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