1.
Aptitude
The current Vice Chancellor of OAU is
2.
Biology
In man, abnormality with chromosome 21 often lead to a genetic problem called?
3.
Physics
The coefficient of friction between two perfectly smooth surface is
4.
Physics
A 10μC charge moves with a velocity of 1.0 × 10^5 m/s at right angle to a uniform magnetic field of flux density 5.0 × 10 ^-4T . Calculate the force on the charge.
5.
Physics
Two objects of masses 80kg and 50kg are separated by a distance of 0.2m. If the gravitational constant is 6.6 x 10-11Nm kg, calculate the gravitational attraction between them.
6.
Biology
Which of the following statements about phylum Cnidaria is correct?
7.
Biology
Which of these is not a water soluble vitamin?
8.
Biology
The food substances that are stored in readilness for time of food shortages are
9.
Biology
The presence of extensive amounts of rough endoplasmic reticulum in a cell is an indication that the cell in involved in
10.
Chemistry
The type of reaction an alkanoic acid cannot undergo is
11.
Biology
For pollination and fruit formation, the essential part(s) of the flower should be the?
12.
Chemistry
A sample of an organic compound was weighed to 0.250g and subjected to Kjeldahl treatment. The ammonia produced was neutralized by 27.0cm³ of 0.100mol/dm³ HCI. What is the percentage of nitrogen in the compound? [H = 1; N = 14]
13.
Aptitude
Muhammar Gaddafi of Libya was assassinated on
14.
Biology
Bacteria that live in the human intestine assist in the digestion and feed on nutrients the human consumed. This relationship might best be described as
15.
Physics
In the circuit above R is a resistor whose resistance increases with increases with increase in temperature L1 and L2 are identical lamps. If the temperature of R increases
16.
Chemistry
When CuSO 4 solution is treated with ammonia solution drop by drop till it is added in excess, a precipitate is first formed which then dissolves in excess to give a deep blue solution. The deep blue solution is
17.
Physics
What determines the polarity at the ends of an electromagnet? The
18.
Aptitude
What is the next term in this sequence? AK, EO, IS ___
19.
Biology
Respiratory surfaces generally have the following characteristics with the exception of
20.
Physics
If a pump is capable of lifting 5000 kg of water through a vertical height of 60m in 15min, the power of the pump is
21.
Chemistry
The quantum number I in an atom defines
22.
Biology
The best known plant species that occur in fresh water swamp vegetation is
23.
Chemistry
Which of these elements has the highest first ionization energy?
24.
Aptitude
Yam pounding machine was invented in which university in Nigeria
25.
Physics
Steam from boiling water cause more damage on the skin than boiling water because
27.
Physics
Let Δx be the uncertainty in the measurements of position and Δp the uncertainty in measurement of momentum. The uncertainty principle relation is given as
28.
Biology
In the diagram below, the part labeled a is the
29.
Chemistry
Which of the alcohol below is likely to be oxidiezed to give the acid below:
30.
Chemistry
The name of CH3-OCOC2H5 is
31.
Aptitude
Choose the word with the correct spelling
32.
Physics
Which of the following remains unchanged as light travels from one medium to the other?
i. speed.
ii. wavelength.
iii. frequency.
33.
Aptitude
Gavel is an instrument used by___
34.
Physics
Calculate the apparent weight loss of a man weighing 70kg in an elevator moving downwards with an acceleration of 1.5m/s²
35.
Chemistry
The correct name for HCOOC2H5 is
36.
Chemistry
Given the half-redox reaction O2+ 4H + +4e− → 2H2O ,how many moles of electron will be required produce 3.0x10^22 molecules of water?
37.
Aptitude
On the Nigeria's Coat of Arms, the black shield stands for
38.
Aptitude
The title of the traditional ruler of Benin is called ________
40.
Chemistry
What is the pH of 2.5×10² mol/dm³ barium hydroxide solution?
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