WAEC 2023 Biology Practical Questions And Answers Free
Here are all the questions and answers for WAEC 2023 Biology Practical.
- Biology 3 (Practical) (Alternative A) — ⏰ 9:30am – 11:30am (1st Set)
- Biology 3 (Practical) (Alternative A) — ⏰ 12:00pm – 2:00pm
BIOLOGY PRACTICAL QUESTIONS
Here are the biology practical questions for the WAEC 2023.
BIOLOGY PRACTICAL ANSWERS
Specimen A – Mature fresh eggs of catfish.
Specimen B – Fresh egg of domestic fowl (raw, with shell intact).⁵5⅝
Specimen C – Picture/model/chart of uterus containing a foetus.
Specimen D – Longitudinal section of ovary of Pride of Barbados flower.
Specimen E – Leaf of Pride of Barbados.
Specimen F – Panicum plant/Guinea grass (whole plant).
N0.1
DIFFERENCES BETWEEN SPECIMEN A AND B
SPECIMEN A ( MATURE FRESH EGGS
OF CATFISH)
SPECIMEN B (FRESH EGG OF
DOMESTIC FOWL)
1. Small in size
Bigger in size
2. Many in number and very adhesive
Only one in number
3. Pale yellow/ orange in colour
White in colour
4. covered with flexible jelly-like substance
Covered with thick calcerous shell
5. Hydrated in nature (soft)
Dehydrated in nature (hard)
[PICK ANY THREE OF YOUR CHOICE]
1ci)
A= The matured catfish belongs to the phylum *Chordata* .
D= The Pride of Barbados, also known as Dwarf Poinciana or Peacock Flower, belongs to the phylum *Magnoliophyta* , also known as Angiosperms or flowering plants.
NO.2
Specimen F; (Panicum)Panicum is a genus of grasses in the family Poaceae, commonly known as the grass family or true grasses.
Specimen G; (Cocoyam) Cocoyam is a common name used to refer to several plants in the family Araceae, also known as the aroid family.
NO.3
(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.
