2022 WAEC Biology Practical Answers [17th June]
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WAEC May/June 2022 FREE BIOLOGY PRACTICAL SPECIMEN QUESTION AND ANSWER ROOM [School Candidates]

Friday, 17th June, 2022
Biology 3 (Practical) (Alternative A) – 09:30 a.m. – 11:30a.m. (1st Set)
Biology 3 (Practical) (Alternative A) – 12:00 p.m – 2:00 p.m. (2nd Set)

2022 WAEC BIOLOGY PRACTICAL ANSWERS [17TH JUNE, 2022]

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

(1b)
TABULATE

SPECIMEN A:
(i) Presence of hole
(ii) Brownish in colour
(iii) It is dry
(iv) It is hard when touched

SPECIMEN C:
(i) Absence of hole
(ii) Whitish in colour
(iii) It is wet
(iv) It is soft when touched

(1c)
(PICK ANY THREE)
(i) Proper storage of produce
(ii) Practising of crop rotation
(iii) Spraying with insecticides
(iv) Growing of resistance varieties
(v) Proper drying after harvesting

(1d)
A: Epigeal
B: Hypogeal

(1ei)


(1eii)
TABULATE:

TEST: C + iodine solution

OBSERVATION: A blue-black colour is observed

INFERENCE: Starch is present

(2ai)

(2ai)
D - Terrestrial (Termitarium)
E - Arboreal (Hive)

(2aii)
TABULATE:

Specimen D:
(i) Absence of stinger
(ii) Strong mandible for biting.
(iii) Absence of eyes
(iv) Absence of ocelli
(v) Absence of wings.

Specimen E
(i) Presence of stringer
(ii) Mandible is moderate.
(iii) Presence of eyes
(iv) Presence of ocelli
(v) Presence of wings.

(2aiii)
Both specimen D and E are social insects

(2bi) 
(PICK ANY TWO)
(i) It produces honey which serves as food
(ii) Honey being a product of bee, serves a great medicinal purpose 
(iii) It helps to pollinate flower.

(2ciii)
(i) Incisors - Grasping and pulling food into the mouth.
(ii) Premolars- Chewing food
(iii) Molar - Grinding up food

(2d) 
Heterotrophic (Herbivorous)

(2e)
(i) Presence of incisor for cutting leaves.
(ii) Presence of diastema which afford the chewing space.
(iii) Presence of sharp enamel ridges grind food as molar slide over each other.

(2e)
(i) Calcium
(iii) Phosphorus

3.

2022 WAEC Biology Practical Answers [17th June]
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TO SUBSCRIBE FOR 2022 WAEC BIOLOGY PRACTICAL ANSWERS
  1. JUST GO OUT AND BUY MTN CARDS OF N600 (200 + 200 + 200 = 600)
  2. GO TO YOUR MESSAGE, TYPE THE CARD PINS CORRECTLY AND SEND TO 08107431933.
  3. DON'T CALL, JUST TEXT, IF THE CARDS PINS ARE VALID, A REPLY WILL BE SENT TO YOU CONFIRMING THAT YOU HAVE BEEN SUBSCRIBED.
  4. RELAX AND WAIT FOR YOUR ANSWERS 30MINUTES BEFORE EXAM STARTS OR AFTER EXAM STARTS.
  5. NB: DO NOT SEND USED CARD PINS OR YOUR NUMBER WILL BE BLACKLISTED.