JAMB Geography Past Questions & CBT Practice

Scandium is not regarded as a transition metal because its ion has

1. A.no electron in the d-orbital
2. B.a partially filled d-orbitals✓ Correct
3. C.a completely filled 4S orbital
4. D.a partially filled 4S orbital

Choose the option that is nearest in meaning to the word or phrase underlined. A vulture was hovering over the dead goat.

1. A.feeding
2. B.flying around✓ Correct
3. C.jumping around
4. D.standing on

At the formation of the OAU, Nigeria belonged to the

1. A.A. Monrovia Group
2. B.B. Casablanca Group
3. C.C. Lagos Group
4. D.D. Brazzaville Group✓ Correct

In preparing rice cutlets, a cook used 75g of rice, 40g of margarine, 105g of meat and 20g of bread crumbs. Find the angle of the sector which represent meat in a pie chart?

1. A.30$^o$
2. B.60$^o$✓ Correct
3. C.112.5$^o$
4. D.157.5$^o$

One of these is used for excretion in earthworm

1. A.Contractile vacuole✓ Correct
2. B.Flame cell
3. C.Malpighian tubule
4. D.Nephridium

What does the term "formula" refer to in a spreadsheet?

1. A.A. A graph representation
2. B.B. A predefined layout✓ Correct
3. C.C. A predefined calculation
4. D.D. A text formatting rule

In the reaction between sodium hydroxide and sulphuric acid solutions, what volume of 0.5 molar sodium hydroxide would exactly neutralise 10cm3 of 1.25 molar sulphuric acid?

1. A.5cm$^3$
2. B.10cm$^3$
3. C.20cm$^3$✓ Correct
4. D.50cm$^3$

One of the conditions necessary for an object to be in equilibrium when acted upon by a number of parallel forces is that the vector sum of the forces is

1. A.Average
2. B.Zero✓ Correct
3. C.Negative
4. D.Positive

If A = $\begin{pmatrix} 2 & 1 \\ 2 & 3 \\ 1 & 2 \end{pmatrix}$ and B = $\begin{pmatrix} 3 & 2 \\ 4 & 2 \end{pmatrix}$. Find AB

1. A.$\begin{pmatrix} 18 & 6 \\ 12 & 10 \\ 10 & 6 \end{pmatrix}$
2. B.$\begin{pmatrix} 10 & 6 \\ 13 & 10 \\ 12 & 6 \end{pmatrix}$
3. C.$\begin{pmatrix} 10 & 6 \\ 12 & 10 \\ 11 & 6 \end{pmatrix}$✓ Correct
4. D.$\begin{pmatrix} 10 & 6 \\ 18 & 10 \\ 11 & 6 \end{pmatrix}$

Which of the following is not a product of nuclear fusion?

1. A.X – ray✓ Correct
2. B.Y –ray
3. C.α – particles
4. D.neutron