UNIBEN General Paper 2021/2022 Past Questions

Methylethanoate reacts with ammonia to yield____

Crude copper can be purified by the electrolysis of CuSO₄ if

Aluminium is extracted commercially from its ore by

Which of the following is used in the manufacture of glass?

Chlorine is produced commercially by

Boyle's law could be represented mathematically as

Which of the following is not thermodynamic function?

Solid carbon dioxide (dry ice) is used as refrigeration agent because it readily changes directly from solid to gas at a low temperature. This shows that the main intermolecular bonding in carbon dioxide is:

Gases deviate from ideal behaviour at

When ethanol is heated with excess concentrated tetraoxosulphate(VI) acid, the organic product formed is

A trapezium has two parallel sides of length 6cm and 8cm. if the area is 42cm, find the distance between the parallel sides

An arc of a circle of length 22cm subtends an angle of 3y Find the value of y. if the radius of the circle is 7cm

Find the locus of a point which moves such that its distance from the line y= 3 is a constant k.

The quadratic equation whose roots are $$1-\sqrt{13}$$ and $$1+\sqrt{13}$$ is

Find the value of x for which holds 2≤$$\frac{2x+3}5$$<3

The nervous system is made up of

The synthesis of protein takes place in the

Antibodies in mammalian blood are formed by

The following is not an example of sex linked character

The substrate in cellular respiration is

Examples of water-borne and sex-linked diseases are

Complex social behaviour and organization are found mostly in

Urea formation occurs in the

Water fleas, wood lice and barnacles belong to the group

An association between the root nodule of a leguminous plant and Rhizobium sp. is known as

To determine the weight of an object you would

A gas at pressure P N/, and temperature 27°C is heated t0 77°C at constant volume. The new pressure is

Two lamp rated 40w and 220w, each are connected in series. The total power dissipated in both lamp is

A magnet is moved through a coil of wire. The emf produced in the wire depends on the magnet is moved

A potential difference of 6v is used to produce a current of 5A for 200s through a heating coil. The heat produced is

If an object is placed in front of two mirrors inclined at 90°, how many images will be formed?

An object 3.0cm high is placed 60.0cm from converging lens whose focal length is 20.0cm. Calculate the size of the image formed.

A pool of water appears to be 1.0m deep when viewed vertically from above. If the refractive index of water is 1.33, what is the actual depth of the pool?

A ray of light is incident at an angle of 30° on one top surface of a parallel- from the sided glass block of refractive index 1.5. The ray finally emerges lower surface. What is the angular deviation of the emergent ray?

Four lenses are being considered for use as a, microscope objective. Which of the following focal length is most suitable?