Waec Biology Practical Answers 2023

Here is the waec biology practical Answers for 2023

*WAEC BIOLOGY PRACTICAL ANSWERS*

(1a)
=SPECIMEN A=
(i) Small in size
(ii) Soft shell
(iii) Pale yellowish

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

(1c)
A – Chordata
B – Angiosperm

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

(1d)
It helps in reproduction

(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

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(3ai)
– Orange
– Coconut
– Chilli pepper

(3aii)
– Orange Fruit: Flower —-> Pollination —-> Fruit Development —-> Maturity —-> Harvest —-> Consumption or Seed Production.

– Coconut Fruit: Flower —-> Pollination —-> Fruit Development —-> Maturation on Tree —-> Falling from Tree —-> Collection —-> Consumption (Coconut Water, Coconut Meat) or Seed Germination

– Chilli Pepper Fruit: Flower —-> Pollination —-> Fruit Development —-> Maturity on Plant —-> Harvest —-> Consumption or Seed Production

(3bi)
– Oranges are round and typically smaller in size.
– Coconuts are large and elongated.

– Oranges have a textured and dimpled skin with an orange color.
– The outer appearance of a coconut features a brown, fibrous husk.

– When cut open, an orange reveals juicy segmented flesh.
– The longitudinal section of a coconut displays a hard woody shell, white coconut meat, and coconut water.

– Oranges are commonly consumed as a fresh fruit or used for juice.
– Coconuts are often used for their water, milk, and meat in cooking and beverages.