WAEC Biology Practical Answer – 2022 Expo

BIOLOGY
PRACTICAL SOLUTION 2022

(1a)
A: Annual crop
C: Annual crop

(1b)
TABULATE

=SPECIMEN A=
(i) Presence of hole
(ii) Brownish in colour
(iii) It is not wet
(iv) Presence of two leaves

=SPECIMEN C=
(i) Absence of hole
(ii) Whitish in colour
(iii) It is wet
(iv) Absence of two leaves

(1c)
(i) Practising of crop rotation
(ii) Spraying with insecticides
(iii) Growing of resistance varieties

(1d)
A: Epigeal
B: Hypogeal

(1ei)

(1eii)
TABULATE

TEST: C + iodine solution

OBSERVATION: A blue-black colour is observed

INFERENCE: Starch is present
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(2ai)
D: Termitarium
F: Give

(2aii)
TABULATE

=SPECIMEN D=
(i) Absence of eye
(ii) Absence of ocelli
(iii) Absence of pollen
(iv) Absence of stinger

=SPECIMEN F=
(i) Presence of eye
(ii) Presence of ocelli
(iii) Presence of pollen
(iv) Presence of stinger

(2aiii)
Social insect

(2b)
(i) Provision of honey which serves as food
(ii) It serves as an agent of pollination

(2c)
(i) Incisors: For cutting of grass
(ii) Premolar: For chewing
(iii) Molar: For grinding

(2di)
Heterotrops/Herbivorous

(2dii)
(i) Presence of diastema for food propelling
(ii) Presence of incisors for cutting of grass
(iii) Presence of molar and premolar for chewing and grinding grasses

(2e)
(i) Calcium
(ii) Phosphorous

=================================
(3ai)
TABULATE

=SPECIMEN H=
(i) Presence of comb
(ii) Small in size

=SPECIMEN L=
(i) Absence of comb
(ii) Bigger in size

(3aii)
TABULATE

=SPECIMEN K=
(i) Absence of web foot
(ii) Presence of short and sharp claws

=SPECIMEN M=
(i) Presence of web foot
(ii) Presence of long and sharp claws

(3b)
=SPECIMEN H=
(i) Possession of eye for sight
(ii) Possession of comb for sensitivity

=SPECIMEN M=
(i) Possession of web feet to float in water
(ii) Possession of sharp claws to scratch the soil

(3bi)
(i)Grains
(ii)Grass

(3c)

(3d)
Woodland

(3e)
H – Pecking
L – Pecking
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The West African Examinations Council, 2022 WAEC Biology practical question and answer for this year (2022) is live here on Expospy.com.ng, the best exam portal of all time.

Are you one of the candidates sitting for the West African Senior School Certificate Examination (WASSCE) and looking for where to get the 2022 WAEC Biology practical question and answer? Find nowhere again as you are in the right place to get it.

As extracted from the 2022 timetable, WAEC Biology practical will be held Tuesday, 14/06/2022.

Here is the schedule of all exams scheduled for the day.

Friday, 17th June, 2022

Biology 3 (Practical) (Alternative A) 9:30am – 11:30am (1st Set)
Biology 3 (Practical) (Alternative A) 12:00noon – 2:00pm (2nd Set)

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