2018/2019 Waec Gce Jan/Feb Biology 3 (Alternative to Practical Work) Questions And Answers Now Avaialable

*WAEC GCE JAN/FEB BIOLOGY PRACTICAL*

(1ai)
A – Canine
B – Premolar
C – Incisor

(1aii)
I -Incisor
II – Canine
IV – PreMolar

(1aiii)
A – Use for tearing.
B – use for chewing.
C – use for cutting/bitting

(1aiv)
A – Sharp pointed edge
B – It has a flat rigid surface

C – It has sharp edges.

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(2ai)
D – Butterfly net
E – Pooter
F – Quadrat

(2aii)
I – Handle
II – Net
III – Tube for sucking in tiny organisms
IV – Cork
V – Beaker
VI – Tube for applying sucking
VII – Frame
VIII – Wire guaze

(2aiii)
I – It is used to connect the net
III – It is used for collecting tiny organisms
IV – It prevents dirts from entering the suction tube
V – Containing the suctionate gas
VII – It gives support to the wire gauze

(2b)
D – For capturing insects such as butterfly
E – For sucking tiny vertebrates such as insects and spiders
F – For capturing and re-capturing of small organisms

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(3ai)
A – Butterfly
B – House fly

(3aii)
I- Libial palp
II – Antenna
III- Thorax
IV – Fore wing
V – Abdomen
VI – Antena
VII – Compound eye
IX – Diptera wing
X – Hind leg

(3b)
VI – for detection of food or object
VIII – for vision
IX – for taking off during flight
X – for balancing when at rest

(3c)
A – Grasses/vegetation
B – Dirty water

(3d)
(i) Presence of antena for flying
(ii) Presence of compound eye
(iii) Presence of probocis for sucking.

(3ei)
(i) Presence of wing
(ii) Presence of antenna
(iii) Presence of compound eye

(3eii)
For A:
-Presence of labial palps
-Presence probocis
-Absence of limbs

For B:
-Absence of labial palps
-Absence probocis
-Presence of limbs

(3fi)
A – Insecta
B – Insecta

(3fii)
-Possession of three segmented body
-Possession of three pairs of limbs
-Possession of wings

(3g)
-It helps in pollination of flowers

Biology-Answwers

1ai
A is canine
B is molars
C is incisors
1aii. I canine
II incisors
IV. Molars

1aiii. A they are used for tearing and ripping food apart.
B they are used to chew foods.
C they are used for chopping and cutting food.

1aiv. A they are pointed teeth
B They are strong and wide
C They are shaped like small chisels with flat but sharp ends, making
1b)
i Use for tearing.
ii. use for chewing.
iii. use for cutting.
1c)
i. It has a flat rigid surface
ii. It has a sharp edges.

(2ai)
D – Butterfly net
E – Pooter
F – Quadrat

(2aii)
I – Handle
II – Net
III – Tube for sucking in tiny organisms
IV – Cork
V – Beaker
VI – Tube for applying sucking
VII – Frame
VIII – Wire guaze

(2aiii)
I – It is used to connect the net
III – It is used for collecting tiny organisms
IV – It prevents dirts from entering the suction tube
V – Containing the suctionate gas
VII – It gives support to the wire gauze

(2b)
D – For capturing insects such as butterfly
E – For sucking tiny vertebrates such as insects and spiders
F – For capturing and re-capturing of small organisms

3ai)
-butterfly
-house fly
3aii)
I- libial palp
Ii- antenna
Iii- thorax
Iv- fore wing
V- abdomen
Vi-antena
Vii- compound eye
Ix- dipitural wing
X- hind leg
3b) Vi- for detection of food or object
Vii – for vision
Ix – for taking off during flight
X- for balancing when at rest
Can also be for locomotion
Rf-team
3c)
A- grasses/vegetation
B- dirty water
3d) presence of antena for flying
– presence of compound eye
-presence of probocis for sucking.

Good luck