Quiz

General Paper UNIBEN Engineering and Physical Sciences Post UTME

Prepare for the UNIBEN Post-UTME screening examination with this General Paper Online Practice Test for candidates applying to Engineering and Physical Sciences programmes. The practice questions cover important areas that can help you sharpen your general knowledge, logical reasoning, critical thinking, and ability to work accurately under examination conditions.

Use the START QUIZ BUTTON below to begin the General Paper practice test for UNIBEN Engineering and Physical Sciences Post UTME and take a confident step towards your UNIBEN Post-UTME preparation.

1.

Which of the following is the best known semi-conductor?

(A) Germanium

(B) Carbon

(C) Gallium arsenide

(D) Selenium

2.

The process of adding semiconductor is called

(A) Transmutation

(B) Doping

(C) Hydrolysis

(D) Polarization

3.

In the D.C electric motor, which of the following does not apply?

(A) Fixed carbon brushes

(B) Powerful magnetic field

(C) Spindle

(D) Slip rings

4.

In the A.C. generator, which of the following does not apply?

(A) Powerful magnetic field

(B) Spindle

(C) Split rings

(D) Fixed carbon brushes

5.

Which of the following law is an application of the law of conservation of energy?

(A) Faraday's law

(B) Lenz's law

(C) Maxwell's law

(D) Fleming's left hand rule

6.

The induction coil is a device for generating a

(A) Low voltage from high D.C. source

(B) High voltage from low A.C. source

(C) High voltage from a low D.C. source

(D) Low voltage from a low A.C. source

7.

Which of the following pairs of quantities have equivalent units?

(A) Energy and momentum

(B) Energy and pressure

(C) Work done and moments

(D) Strain and Young's modulus

8.

A body starts from rest and moves with an acceleration of 8ms⁻² for 10 seconds. Find the distance during the 8th second

(A) 256m

(B) 120m

(C) 196m

(D) 60m

9.

One of the limitations of Bohr's model of the atom is that it does not explain

(A) The line spectra of hydrogen

(B) Variation of the atomic radius

(C) The experiment determination of the atomic radius

(D) The stability of the atom

10.

X-rays were discovered by

(A) Michael Faraday

(B) W. Roentgen

(C) Isaac Newton

(D) Sir J.J. Thompson

1 out of 11

11.

Natural radioactivity was discovered by

(A) Henri Becquerel

(B) De Broglie

(C) Niel Bohr

(D) Rutherford

12.

The number of atoms of a radioactive substance is initially 8 *10¹⁶. If the number reduces to 2 *10¹⁶ in 64 minutes. What is the half-life of the substance?

(A) 8min

(B) 4min

(C) 16min

(D) 82min

13.

During the electrolysis of copper(I)sulphate solution, an ammeter showed a steady current reading of 1.0A for hrand 6.6 ×10 kg of copper were liberated. Calculate the % error in ammeter reading,

(A) 12%

(B) 11%

(C) 1.2%

(D) 1.1%

14.

An electric lamp has the following markings 230V, 250W, How long would it take the lamp to use one kilowatt-hour when connected to a 230V mains?

(A) 6.0hr

(B) 2.0hr

(C) 8.0hr

(D) 4.0hr

15.

Which of the following statements is correct about a semi-conductor at room temperature?

(A) The valence band is filled and the conduction band is partly filled

(B) The valence band is completely filled and the conduction band is completely empty

(C) The valence band is almost filled and the conduction band is almost empty

(D) The valence band is empty and the conduction band is filled

16.

Which of the following statements is not correct?

(A) When a glass rod is rubbed with silk the glass rod acquires a positive charge while silk acquires a negative charge

(B) When ebonite rod is rubbed with wool the ebonite rod acquires a negative charge andwool acquires a positive charge

(C) When wool rubbed with an ebonite rod is brought near silk rubbed with a glass rod attraction occurs.

(D) When fur is rubbed with ebonite rod the ebonite rod acquires a positive charge and fur a negative charge

17.

With the Daniel cell the depolarizer is

(A) Ammonium chloride solution

(B) Manganese (IV) Oxide

(C) Tetra-oxo-sulphate (IV) acid

(D) Copper sulphate solution

18.

Which of the following arrangements gives the electromagnetic radiation in their ascending order of wavelength?

(A) x-rays, γ-rays, radio waves, ultraviolet rays

(B) γ-rays, x-rays, ultraviolet rays, radio waves

(C) ultraviolet rays, γ-rays, x-rays, radio waves

(D) Radio waves, ultraviolet rays, x-rays, γ-rays

19.

Which of the following statements is not correct about the astronomical telescope under normal adjustment

(A) The final image is at principal focus of the eye piece

(B) The distance between the lenses is equal to the sum of their focal lengths

(C) The final image is at infinity

(D) The principal foci of the objective and eye piececoincide

20.

Which of the following colours gives the least separation when white light is dispersed by a triangular glass prism?

(A) Orange and indigo

(B) Green and violet

(C) Yellow and green

(D) Red and blue

2 out of 11

21.

An object weighs 100N on the earth's surface. Find its weight at a point P with orbital radius 2R. [g =10Nkg⁻¹]

(A) 40.0N

(B) 35.0N

(C) 25.0N

(D) 20.0N

22.

A gas occupies a volume of 40cm at a temperature of 27°C, and a pressure of 80cmHg. What volume does it occupy at87°C and pressure of 120cmHg?

(A) 3200cm³

(B) 3.2cm³

(C) 320cm³

(D) 32cm³

23.

A block and tackle system is used to lift a load of 20X through a vertical height of 10.5m. If the efficiency of the system is 40%, how much work is done against friction

(A) 200.0 J

(B) 300.0 J

(C) 310.0 J

(D) 290.0 J

24.

Which of the following statements is correct about a short-sighted girl who does not put on glasses?

(A) Rays of light from a distant object arc focused behind her retina

(B) Parallel rays of light are focused in front of her retina

(C) Her eyeball is too short

(D) She cannot see near objects clearly

25.

A businessman decided to give 10% discount on all the purchases from his store. How much would a customer pay for a shirt originally marked N540?

(A) ₦594.00

(B) ₦486.00

(C) ₦530.00

(D) ₦550.00

26.

P varies directly with R and inversely with the square of Q. P = 12 when R = 18 and Q = 2. Find the constant, K of the variation

(A) 8/3

(B) 4/3

(C) 3/4

(D) 3/8

27.

When repaying a loan, the number of monthly payments, m, varies inversely with the amount of each payment, ₦A. If the loan can be repaid by 10 monthly payments of ₦1,350, find how long it takes to repay the loan with monthly payments of ₦750.

(A) 100

(B) 18

(C) 90

(D) 9

28.

Given that Q(x) = ax^2 + bx + 1 and Q(1) = 6 and Q(-1) = 2, determine the value of a and b.

(A) a = -3; b = -2

(B) a = -5; b = -3

(C) a = 3; b = 2

(D) a = 5; b = 3

29.

If (x + 3) varies directly as y and x = 3 when y = 12, what is the value of x when y = 8 ?

(A) 1

(B) -1

(C) 1/2

(D) -1/2

30.

Find the sum of the first twenty linear sequences 5, 9, 13, 17...

(A) 1000

(B) 960

(C) 880

(D) 860

3 out of 11

4 out of 11

5 out of 11

6 out of 11

7 out of 11

8 out of 11

9 out of 11

10 out of 11

11 out of 11