2024 WAEC Biology practical Questions and Answers: Free Expo Now Available

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2024 WAEC Biology practical Questions and Answers: Free Expo Now Available

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The Correct 2024 WAEC Biology practical Questions and Answers are now available. Our team of experts meticulously analyzed and solved the WAEC Biology practical expo questions, providing accurate answers aligned with the marking scheme to help you achieve the highest possible score.

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Important Dates:
The West African Examinations Council has scheduled the Computer Studies exams as follows:

Biology practical 3 (Alternate A) exam: , May 24th, 2024, from 9:30 am to 11:30 am.
Biology practical 3 (Alternate A) exam: , May 24th, 2024, from 12:00 Noon to 2:00 am.

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WAEC Biology practical Theory (Essay) Answers

(1a)
Phylum: Chordata
Class: Aves

(1b)
(PICK ANY THREE)
(i) It is dark red in color with greenish gall bladder
(ii) It has smooth firm texture
(iii) It has an irregular shape
(iv) It is large and lobed, with the attached gall bladder small and enlogated

(1ci)
(PICK ANY THREE)
(i) It helps in metabolizing nutrients and detoxifying harmful substances.
(ii) It stores essential nutrients such as vitamins and minerals.
(iii) It regulate blood sugar levels and cholesterol levels.
(iv) It stores and releases bile
(iv) It helps domestic fowls in digestion fatty food

(1cii)
Specimen D:
(PICK ANY ONE)
-It helps grind food particles before digestion.
-It responds to changes in the coarseness of the diet
-It helps in regulating feed flow

Specimen E:
(PICK ANY ONE)
-The intestine absorbs nutrients from digested food.
-It aids in complete digestion of proteins
-It eliminates waste products

(1ciii)
Specimen D:
-Possession of tough lining made of keratin to aid gringing food effectively

Specimen E: Possession of finger-like projection called villi to increase surface area for better nutrient absorption

(1di)
TABULATE
-Under observation:
(i) Red litmus turn blue
(ii) No effect on blue litmus

-Under inference:
(i) Alkaline
(ii) Basic

(1dii)
(PICK ANY THREE)
(i) It helps in emulsification of fats
(ii) It aids in the absorption of fat-soluble vitamins
(iii) It aids in neutralization of Stomach Acid
(iv) It helps in the excretion of waste products from the liver, including bilirubin and excess cholesterol
(iv) It aids in digestion

(1ei)
Digestive system

(1eii)
Specimen D

(1fi)
Heterotrophic

(1fii)
(PICK ANY ONE)
-Maize
-Fruits
-Soybean

(2a)
(PICK ANY FOUR)
(i) It aids in photosynthesis
(ii) It helps in transpiration process which aids in water and nutirent transport
(iii) It facilitates the exchange of oxygen and carbon dioxide
(iv) It stores water and nutrients
(v) Production of adventitious roots for propagation
(vi) Regulation of gas exchange and water loss through stomata

(2bi)
Specimen F:
(PICK ANY ONE)
(i) Storage of food and nutrients
(ii) Absorption of water and nutrients from the soil

Specimen K:
(i) Stoarge of water and nutrients
(ii) Stoarge of carbohydrates

(2bii)
Specimen F:
(PICK ANY ONE. IT SHOULD BE SAME THING YOU PICKED IN 2bi)

(i) Storage of food and nutrients: It allows the plant to survive during unfavorable conditions
(ii) Absorption of water and nutrients from the soil: It absorbes water and nutrients from the soil which are essential for the growth and development of the plant

Specimen K:
(PICK ANY ONE. IT SHOULD BE SAME THING YOU PICKED IN 2bi)

(i) Storage of water and nutrients: It stores water and nutrients which are utilized by the plant during periodsbi)growth and development.
(ii) Stoarge of carbohydrates: It stores carbohydrates in the form of starch, which serves as an energy reserve for the plant

(2biii)
Specimen F: Stem
Specimen K: Root

(2ci)
(i)
F – Irregular and branched
K – cylindrical and unbranched

(ii)
F – Small in size
K – Enlongated

(iii)
F – Light brown
K – Brownish color

(iv)
F – Rough with visibe nodes
K- Smooth with a rough with a bark-like look

(2cii)
(PICK ONLY ONE)
(i) Both are underground storage organs
(ii) Both are used for propagation
(iii)Both are rich in carbohydrates

END

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2024 WAEC Biology practical Questions and Answers

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also read check this: 2024 WAEC Biology practical specimens with questions answers

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