NECO BIOLOGY PRACTICAL

(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.
==============================
(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 – Tilappl a 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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