2018 NECO GCE Alternative Biology Practical Questions And Answers

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2018 NECO GCE Alternative Biology Practical Questions And Answers

A – Hygrometer
B – Anemometer
C – Light meter
D – Rain guage

A – It is used to measure relative humidity.
B – It is used to measure the speed of wind.
C – It is used to measure light intensity on land.
D – It is used to measure the amount of rainfall.
E – It is used to indicate for direction of wind.

In a tabular form
i | example | description | use of beak

F | Eagle | The beak is short and curve to enable tear prey| It is used to hold prey firmly

G |cock| It is short and little curve| It is used to peck food

H |Duck| It is long and flat | It enable the animal to sieve the food.


photosynthesis is defined as the process by which green plants manufacture their food making use of CO2 end water in the presence of sunlight.

It is used to split water into hydrogen ion and hydroxyl ions in photosynthesis

Blowing splint

It is a controlled experiment

An experiment to show that CO2 is absorbed while is giving out

(i) Avoidance of presence of sunlight
(ii) Avoidance of photosynthesis in terms of increment

From the green leaves




The head region of fish show the gills.

I – Nostril
II – Eye
III – Gill
IV – Scale
V – Fin

For gaseous exchange

O – Grasshopper
P – Spider

O – insecta
P – arachnida

In a tabular form:
Differences between O and P:
1. Possession of compound eyes.
2. Possession of six legs
3. Possession of three body segments.

  1. Possession of simple eye.
  2. Possession of eight legs.
  3. Possession of two body segments.


Q => Chtomdomena monoica
R => Euglena viridis
S => Amoeba preteus
T => Paramecium caudatus

I => flagellum
II => Pyrenoid
III => Eyespot
IV => Chloroplasts
V = Nucleus
VI => Meganucleus
VII = Contractive Vacuole

Q = flagellum
R= flagellum
S= pseudopodum
T= cilia

I=> it use flagellum for movement
III=> it use flagellum for sighting
v=> it contains cellular activities in the cell
vI=> it is used removal of excess water

The three similries between Q and R are:-
– Possession of flagellum
– possession of eye spot
– possession of nucleus

The three difference between S and T are

Under S:-
– S is shapeless
– absence of cilia
– possession of pseudopodia

Under T:-
– T is slopper in shape
– possession of cilia
– Absence of pseudopodia


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