NECO 2018 BIOLOGY (Practical) Answers Now Available Here – June/July

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*BIOLOGY PRACTICAL SPECIMEN:*
SPECIMEN A: Elephant Grass
SPECIMEN B: Grasshopper
SPECIMEN C: Lizard
SPECIMEN D: Housefly
SPECIMEN E: Termite
SPECIMEN F: Spider
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

READ MORE: NECO 2018 GOVERNMENT (Objective & Essay) Answers Now Available Here – June/July
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(1ai)
Specimen A – Elephant Grass.
Specimen B- Grasshopper
Specimen C- Lizard.
Specimen D – Housefly.

(1aii)
Specimen B – Insecta
Specimen C – Reptilia in the sub-phylum vertebrata.

(1aiii)
Specimen D
Houseflies serve as intermediate hosts for several parasitic worms Eg Round worms in their developmental stage.

(1aiv)
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

READ ALSO: NECO 2018 BIOLOGY (Objective & Essay) Answers Now Available Here – June/July

(3)
(i) Flamboyant flower
(ii) Filament
(iii) Style
(iv) Sepal

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

(1ai)
Specimen A – Elephant Grass.
Specimen B- Grasshopper
Specimen C- Lizard.
Specimen D – Housefly.

(1aii)
Specimen B – Insecta
Specimen C – Reptilia in the sub-phylum vertebrata.

(1aiii)
Specimen D
Houseflies serve as intermediate hosts for several parasitic worms Eg Round worms in their developmental stage.

(1aiv)
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

(1av)
A (Elephant grass) -> B (grasshopper) -> C (Lizard)

(1bi)
Specimen E – Termite
Specimen F – Spider

(1bii)
Drawing

1biii)
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.
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(3ai)
Flamboyant flowers.

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

Under Number:
1. 5
2. 1
3. 5
4. 5

(3aiii)
Filament – It is the male organ used in production.
Style – It is the female organ through which the gametes pass.
Petal – It produces sweet juices for the insects.

(3aiv)
Pollination.

(3av)
(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.

(3bi)
M – Tilapia fish.

(3bii)
Pisces.

(3biii)
-It is poikilothermic animal.
-It possess dorsal fin for swimming.
-The body is covered with overlapping scales.

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