2025 JAMB Physics Past Questions

Fertilizers are applied to fishponds to serve as

1. A.A. bait for fish
2. B.B. food for fish✓ Correct
3. C.C. nutrients for plankton
4. D.D. water purifier

Which of the following is not a type of computer network?

1. A.A. VPN
2. B.B. CAN✓ Correct
3. C.C. WLAN
4. D.D. DAN

It can be inferred from the passage that snakes are

1. A.Homogeneous reptiles✓ Correct
2. B.Heterogeneous creatures
3. C.Voracious cow eaters
4. D.Great insect eaters

C$_2$H$_{4(g)}$  +  3O$_{2(g)}$ → 2CO$_{2(g)}$  +  2H$_2$O$_{(g)}$ The above equation represents the combustion of ethene.If 10cm$^3$ of ethene is burnt in 50cm$^3$ of oxygen, what would be the volume of oxygen that would remain at the end of the reaction?

1. A.20cm$^3$
2. B.40cm$^3$✓ Correct
3. C.60cm$^3$
4. D.50cm$^3$

What accounts for the low melting and boiling points of covalent molecules?

1. A.They have weak intermolecular forces.
2. B.They are three-dimensional structures.
3. C.They have definite shapes.
4. D.They possess shared electron pairs✓ Correct

In an open economy, the GNP is measured as_____________?

1. A.C + 1 + G(X-M)✓ Correct
2. B.C + 1 + G
3. C.C + 1 + G + X
4. D.C + 1 + G + M

Which of the following statements is not correct about the land use act?

1. A.A. Government has control over unused land
2. B.B. land cannot be used for any purpose
3. C.C. it aims at re-allocation of land for farming purposes
4. D.D. it does not lead to land fragmentation✓ Correct

'Baba na cin abinci yanzu'. Kalmar suna a wannan jimla ita ce

1. A.A. abinci
2. B.B. Baba✓ Correct
3. C.C. na
4. D.D. cin

The diagram below represents a production function. At which of the points does diminishing returns set in__________

1. A.R
2. B.S
3. C.T
4. D.V✓ Correct

A beam of light is incident from air to water at an angle of 30$^o$. Find the angle of refraction if the refractive index of water is 4/3

1. A.15$^o$
2. B.18$^o$
3. C.22$^o$✓ Correct
4. D.24$^o$