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jamb2022yoruba
Q1. Kí ni àkámọ̀ ọ̀rọ̀ 'ìwà jẹ̀lẹ́ńkẹ́'?
AÌfẹ́
BÌhùwàsí pẹ̀lẹ́
CÌwà òkúkú
DAyọ̀
Correct Answer: B
'Ìwà jẹ̀lẹ́ńkẹ́' (gentle behavior) ń tọ́ka sí ìhùwàsí pẹ̀lẹ́ (calm behavior). 'Ìfẹ́' (love), 'ìwà òkúkú' (wild behavior), àti 'ayọ̀' (joy) kò tọ́.
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jamb2023biology
Q2. The relationship between cattle egrets and grazing cattle, where the egret feeds on insects disturbed by the cattle, is an example of
AMutualism
BCommensalism
CParasitism
DPredation
Correct Answer: B
In commensalism, one organism benefits while the other is unaffected. Cattle egrets feed on insects disturbed by grazing cattle, benefiting from the food source, while the cattle are neither harmed nor benefited.
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jamb2015chemistry
Q3. P₁V₁ = P₂V₂ supports?
ACharles's law
BBoyle's law
CGraham's law
DAvogadro's law
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jamb2022crk
Q4. Who witnessed Moses stretching out his hand over the sea as the LORD drove it back by a strong east wind?
AEgyptians
BIsraelites
CCharioteers
DAngel of God
Correct Answer: B
The Israelites saw Moses stretch his hand over the Red Sea, with God driving it back, during their escape from Egypt (Exodus 14:21).
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jamb2020yoruba
Q5. Kí ni ìtumọ̀ ọ̀rọ̀ 'ìdílé' nínú ìṣe ìbílẹ̀ Yorùbá?
AÌṣọ̀kan láàárín àwọn ọmọ ìlú
BÌgbéyàwó láàárín àwọn ènìyàn
CÀwọn ènìyàn tí ó jẹ́ ọmọ ìlú kan
DÀwọn ènìyàn tí ó ní ìbátan ẹ̀jẹ̀
Correct Answer: D
Ìdílé ń tọ́ka sí àwọn ènìyàn tí ó ní ìbátan ẹ̀jẹ̀ tàbí tí ó jẹ́ ọmọ ìdílé kan.
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jamb2021chemistry
Q6. The heat required to raise the temperature of a body by 1K is called?
ASpecific heat
BThermal capacity
CWater equivalent
DNone of the above
Correct Answer: B
Thermal capacity (also called heat capacity) is the amount of heat energy required to raise the temperature of a given body (object) by 1 Kelvin (or 1°C). It depends on the mass and nature of the substance. Specific heat capacity is heat required per unit mass per degree temperature rise, which is different from thermal capacity.
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jamb2018chemistry
Q7. What is the product of the reaction between ethyne and excess bromine?
A1,2-dibromoethene
B1,1,2,2-tetrabromoethane
C1,2-dibromoethane
D1,1-dibromoethene
Correct Answer: B
Ethyne (HC≡CH) reacts with excess bromine (Br₂) to add two bromine molecules across the triple bond, forming 1,1,2,2-tetrabromoethane (CHBr₂-CHBr₂): HC≡CH + 2Br₂ → CHBr₂-CHBr₂. The triple bond is fully saturated, accommodating four bromine atoms.
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jamb2005government
Q8. The first successful disengagement of the military from politics in Nigeria was carried out by the government of
AAbdusalami Abubakar
BMurtala/Obasanjo
CBuhari/Idiagbon
DIbrahim Babangida
Correct Answer: B
The first successful disengagement of the military from politics in Nigeria occurred under the Murtala/Obasanjo regime (1975–1979). This transition culminated in the handover of power to a democratically elected civilian government on October 1, 1979, marking the end of military rule and the beginning of Nigeria’s Second Republic
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jamb2008englishlit
Q9. An epic is a heroic story which includes
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jamb2010government
Q10. The first law-making body in Nigeria after amalgamation was
ALegislative Council
BNational Assembly
CRegional Assembly
DNigerian Council.
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jamb2018geography
Q11. Fluid, basic lava flow is likely to give rise to a volcanic
ACinder
BSaddle reef
CDome
DGap
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jamb2010economics
Q12. The ultimate aim of agricultural policies in Nigeria is to achieve
Afood sufficiency
Bfull employment
Cindustrialization
Dindustrial capacity utilization
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jamb2005physics
Q13. If two inductors of inductances 3H and 6H are arranged in series, the total inductance is
A9.0H
B18.0H
C0.5H
D2.0H
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jamb2019computerstudies
Q14. Which of the following is a real-time database?
AFirebase
BMySQL
CPostgreSQL
DOracle
Correct Answer: A
Firebase is a real-time database, syncing data instantly across clients, unlike traditional relational databases like MySQL, PostgreSQL, or Oracle.
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jamb2022economics
Q15. A firm enjoys economies of scale when
AAverage cost rises with output
BAverage cost falls with output
CTotal cost equals total revenue
DMarginal cost exceeds average cost
Correct Answer: B
Economies of scale occur when average cost decreases as output increases, due to efficiencies like specialization or bulk purchasing.
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jamb2024englishlit
Q16. The festival filled the air with joyous clamor, a chorus of celebration. The mood created by the excerpt above is
Asomber
Bfestive
Ctense
Dmysterious
Correct Answer: B
The description of joyous clamor and celebration suggests a festive mood.
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jamb2019chemistry
Q17. A student prepares 0.5 M solutions of hydrochloric acid and ethanoic acid and measures their pH. The result shows that
Athe pH values are equal
Bthe pH of HCl is higher
Cthe sum of the pH values is 14
Dethanoic acid has a higher pH
Correct Answer: D
HCl (strong acid) fully dissociates: [H⁺] = 0.5 M, pH ≈ 0.3. Ethanoic acid (weak acid, Ka ≈ 1.8 × 10⁻⁵) partially dissociates, giving a higher pH (~2.5). Thus, ethanoic acid has a higher pH.
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jamb2021English Language
Q18. Choose the option nearest in meaning to the word(s) or phrase underlined: I know you've been 'eavesdropping' all along
Adropping gently
Bpaying attention
Clistening secretly
Ddropping all the leaves
Correct Answer: C
'Eavesdropping' means listening secretly, so 'listening secretly' is closest, fitting the context.
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jamb2013civiledu
Q19. The ideology which emphasizes a classless society is
ACommunism
BCapitalism
CTotalitarianism
DFeudalism
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jamb2023mathematics
Q20. In a survey, 20 students read newspapers, 35 read novels, 40 read either. Find the probability of reading both.