2023 WAEC Biology Practical Answers [16th May]

Get Free Live 2023 WAEC May/June Biology (Bio) (Practical) Specimen Questions and Answers for School Candidates Free of Charge | WAEC May/June Free Biology Practical Specimen Questions and Answers EXPO Room (16th May, 2023).
WAEC May/June 2023 FREE BIOLOGY PRACTICAL SPECIMEN QUESTION AND ANSWER ROOM [School Candidates]

Tuesday, 16th May, 2023
Biology 3 (Practical) (Alternative A) – 09:30am – 11:30am (1st Set)

Biology 3 (Practical) (Alternative A) –12:00pm – 2:00pm (2nd Set)

2023 WAEC BIOLOGY PRACTICAL ANSWERS [16th MAY, 2023]

(1a)
(PICK ANY THREE)
=SPECIMEN A=
(i) Small in size
(ii) Soft shell
(iii) Transparent or translucent, with a pale yellow or amber tint
(iv) Spherical in shape

=SPECIMEN B=
(i) Large in size
(ii) Hard shell
(iii) Brownish
(iv) Oval shape

(1b)
-Specimen A is external and Oviparous
-Specimen B is internal and Oviparous
-Specimen C is internal and Viviparous

(1c)
A – Chordata
B – Angiosperm

(1cii)
A -Pisces
B – Aves
C – Mammalia
D – Dicotyledon

(1d)
It helps in reproduction

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(1e)
TABULATE

=OBSERVABLE FEATURES=
(i) Air Space
(ii) Yolk
(iii) Albumen

=FUNCTIONS=
(i) Respiration
(ii) It provides nutrition
(iii) It serves as reservoir

(1f)
A – Aquatic
B – Terrestrial
D – Terrestrial

(2a)
F – Dicotyledon
G – Monocotyledon

(2b)
F – It has two seed leaves
G – It has one seed leaf

(2c)
F – Tap root
G – Fibrous root

(2d)

2dii)
Petiole – It attracts the leaf to the rachis
Leaflet – For photosynthesis
Midrib – It hold the Vien

(2e)
(i) It serves as cover crop
(ii) It serves as food to livestocks
(iii) It prevent erosion

(2fi)
(i) Possession of node
(ii) Possession of adventitious root
(iii) Possession of scale leaf
(iv) Possession of internode

(2fii)
For reproduction

(3ai)
L: Berry
M: Drupe
N: Berry

(3aii)
L: Perennial
M: Perennial
N: Perennial

(3bi)
L: Few seeds
M: Single large seed

L: Thick leathery epicarp
M: Thick fibrous husk

L: Juicy mesocarp
M: Fibrous mesocarp

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L: Axile placentation
M: Parietal placentation

(3bii)
L: It has few seeds
N: Have many seeds

L: It has leathery epicarp
N: Smooth epicarp

L: Juicy and fleshy mesocarp
N: Succuent mesocarp

L: Large endocarp
N: Thin endocarp

(3c)
(i) Both specimen contains seed
(ii) Both specimen fleshy mesocarp
(iii) Both specimen soft endocarp

3e)
(i) By animal
(ii) Axle

(3f)
(PICK ANY ONE)
-It is used as food spices
-It is an important cash crop
-It is a rich source of vitamin C

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