JAMB UTME 2024
JAMB Biology 2024 past questions
5 objective questions from the 2024 JAMB Biology paper. Answer each one, then reveal the answer and explanation.
Question 1
ClassificationWhich of the following animals is an amphibian?
- Option A: hen
- Option B: chameleon
- Option C: tilapia
- Option D: newt
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Answer: D, newt
The newt is an amphibian (class Amphibia).
Question 2
Excretion and respirationIn humans, gaseous exchange takes place in the
- Option A: trachea
- Option B: alveoli
- Option C: bronchi
- Option D: larynx
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Answer: B, alveoli
The alveoli have thin, moist walls for exchange.
Question 3
NutritionMost digestion and absorption of food takes place in the
- Option A: stomach
- Option B: large intestine
- Option C: oesophagus
- Option D: small intestine
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Answer: D, small intestine
The ileum completes digestion and absorbs food.
Question 4
GeneticsIn pea plants, the allele for tall (T) is dominant over the allele for short (t). What is the expected phenotypic ratio of the offspring of a cross between Tt and tt parents?
- Option A: 1 tall : 1 short
- Option B: 3 tall : 1 short
- Option C: All tall
- Option D: All short
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Answer: A, 1 tall : 1 short
Tt × tt gives equal numbers of Tt and tt: 1 : 1.
Question 5
ReproductionWhich of these seeds has one cotyledon?
- Option A: Bean
- Option B: Maize
- Option C: Groundnut
- Option D: Cowpea
Show the answerHide the answer to question 5
Answer: B, Maize
Maize is a monocotyledon.
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