UNIBEN General Paper 2013/2014 Past Questions

which of the following structures are present in both the epidermis and dermis of the skin?

the number of individuals of a specie per unit area at a particular time is a

cockroach has been found to carry germs of dangerous diseases such as

which of the following glands secretes a substance into the blood stream?

which of the following substances from the mother's blood diffuses through the placenta into the blood vessels of the foetus?

which of the following is an abiotic factor?

to form ball and socket joint, the head of the humerus of the humerus must fit into another structure in the scapula called the

all are examples of alkaloids except

which of the following pairs of organelles are likely to be present in an actively respiring and photosynthesising cell?

spermatogenesis and oogenesis are both terms used to describe

which is sex-linked and mainly afflicts male offspring?

a genetic make-up of an organism is described as its

During blood transfusion, agglutination may occur a a result of the reaction between

species can be defined as the group or organisms that

which of the following represents the phenotypic ration, when a plant Rr is crossed with another plant Rr assuming the gene R for a round seed is dominant and wrinkled r is recessive?

The theory that new organs or characteristics develop in organisms when there is need for them was postulated by

Which of the following parts of the mammalian brain is involved in taking the decision to run rather than walk?

in the testing for a reducing sugar, the food substance is usually warmth with

which of the following statements about the circulation of blood is not correct?

the enzyme that acts on milk in the stomach

elements P,Q,R,S have 6,11,15 and 17 electrons respectively, therefore

the empirical formula of nitrogen containing 30.4 percent of nitrogen is

given the mean atomic mass of chlorine prepared in the laboratory to 35.5 and assuming that chlorine contains two isotopes of mass number 35 and 37, what is the percentage composition of the isotope of mass number 35?

which of the following types of reactions takes between C₂H₄ and halogens?

water is poured over a while solid and a colourless neutral gas is evolved which burns with a sooty flame. the white solid is

the reaction Mg+H₂O → MgO+H₂ takes place only in the presence of

increasing the pressure of a gas

which of the following solid will leave a black residue after being heated strongly?

which of the following undergo addition reaction?

the scum formed when soap is mixed with hard water could be

the headquarters of the World Health Organization is located in which of the following

the secretary general of the united nations is one of the following

Nigeria became a republic in

a a man stands on a spring placed in a lift. the lift descends at constant velocity as a result, the scale reads a weight

a load of 5N gives an extension of 0.56cm in a wire which obeys Hook's law. what is the extension caused by a load of 20N

in what range of temperature is the expansion of water anomalous?

change of state is accompanied by change of

a metal cube of volume V and linear expansivity α is heated through a temperature rise of T. the increase in volume of the cube is

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

which of the following is used to slow down fast moving neutrons in a nuclear reactor?

x is directly proportional to y and inversely proportional to z. if x=9 when y=24 and z=8, what is the value of x when y=5 and z=6?

if 3x=³/₉

solve the following equation
4x-3x=3x+y=2y+5x-12

if x=1 is a root of the equation x³-2x²-5x+6, find the other roots

if x is jointly proportional to the cube of y and the fourth power of x. in what ratio is increased or decreased when y is halved and z is doubled?

one interior angle of a convex hexagon is 1700 and each of the remaining interior angles is equal to x°. find x

list all integers satisfying the inequality -2 < 2x - 6 < 4

if the quadratic function 3x₂-7x+R is a perfect square, find R

the bearing of a bird on a tree from a hunter on the ground is N27°E. what is the bearing of the hunter from the bird?