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2026 WAEC BIOLOGY PRACTICAL ANSWERS

Wednesday, 17th June 2026
Biology 3 (Practical) — 9:30am – 11:30am (1st Set)
Biology 3 (Practical) — 12:00noon – 2:00pm (2nd Set)

(1)

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(VERSION II)

(1)

(2)

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(VERSION II)

(2ai)
(PICK ANY TWO)
(i) Peristalsis
(ii) Mechanical digestion
(iii) Chemical digestion of proteins
(iv) Absorption of water, alcohol and some drugs.

(2aii)
(PICK ANY TWO)
(i) Peristalsis — Oesophagus
(ii) Mechanical digestion — Stomach.
(iii) Chemical digestion of proteins — Stomach.
(iv) Absorption of water, alcohol and some drugs —Stomach.

(2b)
(PICK ANY TWO)
(i) Thick muscular walls
(ii) Presence of folds (rugae) in the stomach lining
(iii) Long tubular oesophagus
(iv) Mucous lining

(2c)
(i) Pepsin
(ii) Gastric lipase

(2d)

(2ei)
Parasitism

(2eii)
(PICK ANY ONE)
(i) One organism (mistletoe) benefits while the other (host plant) is harmed.

(ii) The mistletoe lives on the host plant and derives nourishment from it while harming it.

(iii) The parasite depends on the host plant for water and mineral nutrients.

(iv) The host plant loses nutrients to the mistletoe.

(2eiii)
(PICK ANY ONE)
(i) Presence of haustoria (sucking roots) which penetrate the host plant and absorb water and nutrients.

(ii) Possession of sucking roots for attachment and absorption of nutrients from the host plant.

(2eiv)
(PICK ANY TWO)
(i) The branch shows stunted growth.
(ii) The branch becomes weakened.
(iii)The branch may dry up and die.
(iv) The branch loses water and nutrients.

(2ev)
(PICK ANY ONE)
(i) Dodder growing on a host plant.
(ii) Witchweed on maize.
(iii) Mistletoe on mango or orange tree

 

 

PRACTICAL:

 

 

 

 

SPECIMEN: