2023 NECO Geography Past Questions

A flagpole is placed at the top of a tower. The angles of elevation of the bottom and top of the flagpole from a point on the ground 10m away are 40° and 50° respectively. Find the length of the flagpole.

1. A.1.8m✓ Correct
2. B.3.5m
3. C.8.4m
4. D.11.9m
5. E.17.3m

The general equation of a wave CANNOT be written as

1. A.y = A Sin [2 π ($\frac{t}{T}$ ± Xλ)]
2. B.y = A Sin [wt ± kx]✓ Correct
3. C.y = A Sin [2 $\frac{\pi}{\lambda}$ (vt ± x)]
4. D.y = A Sin [2π (ft ± $\frac{X}{\lambda}$ )]
5. E.y = A Sin 2 π f(T ± $\frac{X}{\lambda}$)]

Over-grazing encourages soil

1. A.acidity
2. B.conservation✓ Correct
3. C.erosion
4. D.fertility
5. E.formation

A stone is thrown with a speed of 10ms at an angle of 30° to the horizontal, Calculate its time of flight, (g = 10ms2)

1. A.0.5s
2. B.1.0s
3. C.1.7s✓ Correct
4. D.2.0s
5. E.3.4s

Which of these is NOT an excretory organ/organelle?

1. A.flame cell✓ Correct
2. B.kidney
3. C.malpighian tubule
4. D.nephridium
5. E.spiracle

Divide the LCM of 15abc and 20a$^2$bc by their HCF

1. A.10a
2. B.12a
3. C.5abc
4. D.12a2bc
5. E.60a2bc✓ Correct

The police force belongs to the ....... arm of government

1. A.A. legislative✓ Correct
2. B.B. Executive
3. C.C. Judiciary
4. D.D. Peace making

Villi are finger-like structures found in the

1. A.large intestine✓ Correct
2. B.rectum
3. C.small intestine
4. D.stomach
5. E.tongue

An evidence of the wave nature of matter is

1. A.Browniam motion
2. B.Compton effect
3. C.diffraction
4. D.diffusion✓ Correct
5. E.photo electricity

A population can be referred to as the number of

1. A.adult organisms in an ecosystem
2. B.female species in an ecosystem
3. C.male species in an ecosystem✓ Correct
4. D.organisms of same species in an ecosystem
5. E.organisms that can withstand harsh conditions