2024 WAEC Biology practical specimens with questions answers

2024 WAEC Biology practical specimens with questions answers

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the list of 2024 WAEC Biology practical specimens

Candidates should be provided with the following specimens.
SPECIMEN A – Gill of fish (freshly procured)
SPECIMEN B – Whole liver from a domestic fowl with gall bladder attached, in a Petri dish (freshly procured)
SPECIMEN D – Whole gizzard from a domestic fowl, in a Petri dish (freshly procured)
SPECIMEN E – Whole intestine from a domestic fowl spread in a tray (freshly procured)
SPECIMEN F – Ginger rhizome (fresh)
SPECIMEN G – Onion bulb
SPECIMEN H – Leaf of Bryophyllum (with adventitious roots)
SPECIMEN J – Cassava stem
SPECIMEN K – Cassava tuber
SPECIMEN L – Thoracic vertebra
SPECIMEN M – Humerus bone
SPECIMEN N – Mango seed (dry)
SPECIMEN O – Femur bone
SPECIMEN P – Lumbar vertebra
SPECIMEN Q – Orange seeds (dry)

100% likely biology practical quetions and answers
Question 1:
IDENTIFICATION all the SPECIMENS
answers to question1

SPECIMEN A – Gill of fish (freshly procured)

SPECIMEN B – Whole liver from a domestic fowl with gall bladder attached, in a Petri dish (freshly procured)

SPECIMEN C – Lungs from a domestic fowl on a white tile (freshly procured)

SPECIMEN D – Whole gizzard from a domestic fowl, in a Petri dish (freshly procured)

SPECIMEN E – Whole intestine from a domestic fowl spread in a tray (freshly procured)

SPECIMEN F – Ginger rhizome (fresh)

SPECIMEN G – Onion bulb

SPECIMEN H – Leaf of Bryophyllum (with adventitious roots)

SPECIMEN J – Cassava stem

SPECIMEN K – Cassava tuber

SPECIMEN L – Thoracic vertebra

SPECIMEN M – Humerus bone

SPECIMEN N – Mango seed (dry)

SPECIMEN P – Femur bone

SPECIMEN P – Lumbar vertebra

SPECIMEN Q – Orange seeds (dry)

Question 2:

gives 5 Differences Between Specimen A and C

Question 3
give Function common to specimens A/Gill and C/Lung
Function common to specimens A/Gill and C/Lung
-Gaseous exchange/respiration

Question 4

give 5 similarities between specimens A and B
-Both have a network of capillaries/are highly vascularised;
-Both are pink/red in colour;
-Have moist surfaces;
-Are thin-walled/thin membrane.
-Have large surface area.

Question 5
What similar function is common to specimen B, D and E?

-digestion of food/digestive function.

Question 6

Write the Scientific name of the following specimens:

Specimen F (ginger) – Zingiber officinale

Specimen G (Onion) – Allium cepa

Specimen J (cassava) – Manihot esculenta

Question 7
list the Mode of vegetative propagation of specimen F, G, H and J

-F/Ginger -Ginger is vegetatively propagated from small sections of the rhizome, called sets.

-Specimen G/Onion bulb – Terminal/lateral buds; sprout into new aerial shoots.

-H/Bryophllum – Sprouting of adventitious buds at margins of leaves;

-J/Cassava Stem : stem cutting.

Question 7

Give Biological significance of Specimen H /Bryophyllum

-Vegetative reproduction;

-Storage organ (stores water, mineral salts, etc.);

-Characteristics of apparent plant represerved;

-Can photosynthesize.

Question 8
give Parts of the plant where the following specimens store their food.

Specimen F (Ginger) – Rhizome

Specimen G (Onion Bulb) – fleshly leaves

Specimen K (cassava tuber) – Root

Question 9

Classify Specimen F, G, and K according to Agriculture and life cycle

Agricultural Classification

Specimen F (ginger) – spices

Specimen G (Onion) – vegetable

Specimen K (Cassava) – tuber/root

According to Life Cycle:

Specimen F (ginger) – biennial

Specimen G (Onion) – biennial

Specimen K (cassava) – biennial

Question 10

state Similarities between Specimen H (Bryophyllum) and Specimen J (cassava stem)

-Both have buds

Question 11

state Differences between Specimen H (Bryophyllum) and Specimen J (cassava stem)

-Specimen H is smaller and softer than specimen J.

-Specimen H is smooth while J is rough.

Question 12

Name of toxic substance found in specimen J (Fresh cassava tuber):

– Hydrogen cyanide/cyanide/prussic acid/Hydrocyanic.

Question 13

Suggest Ways of removing hydrogen cyanide in fresh cassava tubers:

-Grating the tubers and squeezing out the water under pressure for few days

-Soaking the tubers in water for some days/ fermentation,

-Drying the soaked tubers in water for some days/fermentation,

-Drying the soaked tubers in the sun,

-Boiling/cooking the tubers,

-Frying.

Question 14

list 5 Uses of specimen G (Onion bulbs)

-Sources of vitamins A and C.

-For flavouring food,

-Medicinal uses,

-Source of volatile oil,

-Eaten as food,

-Antioxidant,

-Boost digestion,

-Nourish the skin,

-To repel snakes around the home.

Question 15

give Similarities Between Specimen M and P

Both are regarded as long bones in the human skeleton.
Both bones have similar shape.
Both bones are very important in supporting the movements.
Both bones contain three main parts: the proximal part, the shaft, and the distal part.
Both bones can be subjected to different conditions and disorders.
The conditions affecting these bones can be diagnosed through X-ray, MRI, and CT scans.

Question 16

give the Differences Between Specimen M and P

-Femur is long while humerus is short.

-femur is found on the lower limb while humerus is found on the upper limb.

Question 17

drawn and Labelled Diagram of Specimen M (Humerus)

Question 18

Labelled Diagram of Specimen P (Femur)

Question 18

Observable Similarities between Specimen L And Q

-both have tranvers process

-both have neural spine

-both have centrum

-both have neural canal

-both have neural arch

Question 19
Observable Differences Between Specimen L (Thoracic vertebrae and Q (Lubar Vertebrae)

Question 20
Labelled Diagram of Specimen L (Thoracic vertebrae)

Question 21
Labelled Diagram of Specimen Q (Lubar Vertebrae)

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