UNILORIN General Paper - Science & Engineering 2010/2011 Past Questions

Solve the equation 6x²-7x-5 = 0

lf log_ax = p, express x in terms of a and p

At what point does the straight line y = 2x-1 intersect the curve y = 2x² + 5x - 1?

What value of g will make the expression 4x² - 18xy + g a perfect square?

If sin Ɵ = 1/2 and cos Ɵ = -√3/2 what is the value of Ɵ?

what is the probability that 3 customers waiting in a bank will be served in the sequence of their arrival at the bank?

lf U = {1,2,3,4,5,6} P = {3,4,5}, Q = {2,4,6} and R = {1,2,3,4}, list the elements of {P U Q}' n R

Given log₁₀2.5 = 0.3979. evaluate log₁₀25 + 2log₁₀250

Given that log p = 2log x + 3log q which of the following expresses p in term of x and q?

Differentiate the function f(x) = cos2x

Solve without using tables log₅(62.5) - log₅(1/2)

What is the solution of the equation log₄2a + log₄(a - 1) = 1

Convert the speed 90km per hour of a car to metres per second

if the price of a litre of petrol increases from 430.00k to 559.00k. what is the percentage increase in the cost of a litre of petrol?

Two numbers are chosen at random from three numbers 1, 2, 3. Find the probability that the sum of the two numbers is not odd.

The organs that will be most used by giant African rats in finding their way underground habitats are the

The increasing order of the particle size in the following soil types is

The causative agent of bird flu is a

Which of the following is an example of parasitism?

A crucible of 5gm weighed 10gm after filling with fresh soil. It is then heated in an oven at 100°C for 1 hour. After cooling in a desiccators the weight was 8gm. The percentage of water in the soil is

The type of protective adaptation exhibited by the animal zebra is

In mammals, the organ directly on top of the kidney is the

The photosynthetic pigments include

Monocot stems differ from dicot stems in that monocots have

The opening and closing of the stoma are regulated by

When the base current of a common-emitter transistor is kept at zero, it operates in the

One of the properties of gamma ray is that they are

The theory of electronic conduction in solids, which satisfactorily explains the properties of conductors, insulator and semiconductors is

A certain manufacturer wishes to make an n-type semiconductor. Which materials would he select for dropping?

The battery connection that permits current to flow across a p-n.junction is called

An engine of a car of power 80kw moves on a rough road with a velocity of 32m/s The force required to bring it to rest is

The correct unit of energy density is

The main purpose of the transformer in an a.c radio set is to

When an a.c. voltage is applied to capacitor, no power is consumed because the current

An object placed 10cm from a concave mirror of focal length 5cm would have its image