In the day time, it is possible to see under shady areas such as under a tree because light has undergone

• A. internal reflection
• B. refraction
• C. diffraction
• D. diffuse reflection

An aquifer is

• A. a permeable rock layer in which water is stored
• B. a non-porous rock
• C. an impermeable rock layer in a desert
• D. an impervious and impermeable rock

What is the percentage by mass of H in CH₃COOH

• A. 1.7%
• B. 5.0%
• C. 6.7%
• D. 7.1%

Pick the odd item out of the options listed below:

• A. sonnet
• B. epic
• C. allusion
• D. ode

Simplify \(\frac{1 - 2\sqrt{5}}{2 + 3\sqrt{2}}\).

• A. \(14(2\sqrt{2} + 6\sqrt{5} - 4\sqrt{10})\)
• B. \(\frac{1}{14}(2 - 3\sqrt{2} - 4\sqrt{5} - 6\sqrt{10})\)
• C. \(\frac{1}{14}(3\sqrt{2} + 4\sqrt{5} - 6\sqrt{10} - 2)\)
• D. \(14(2 + 3\sqrt{2} - 6\sqrt{5} + 4\sqrt{10})\)

If the marginal propensity to consume is 0.6 and consumption expenditure changes by N10 million, the equilibrium level of income will change by

• A. N4.0 milion
• B. N25. 0 milion
• C. N2.5 milion
• D. N15.0 milion

This question is based on selected poems from D. Ker, C. Maduka et al (eds.): New poetry from Africa, Wole Soyinka (ed.): Poems of Black Africa, K.E. Senanu and T. Vincent (eds.): A Selection of African poetry and E.W. Parker (ed.): A Pageant of Longer Poems.

The phrase, 'pressurized good-breeding' from Wole Soyinka's 'Telephone Conversation', refers to the

• A. speaker's personality
• B. whiteman's upbringing
• C. lady's personality
• D. persona's upbringing

The following observations concerning succession are true except that the

• A. pioneer community has fewer species
• B. middle stages communities are most diverse
• C. max community has the greatest number of species
• D. total biomass of the community increases as succession progresses

Find the value of x such that the expression \(\frac{1}{x}+\frac{4}{3x}-\frac{5}{6x}+1\) equals zero

• A. \(\frac{1}{6}\)
• B. \(\frac{1}{4}\)
• C. \(\frac{-3}{2}\)
• D. \(\frac{-7}{6}\)

Two inductors of inductances 5 mll and 15 mll are connected in series and a current of 5A flows through them. the total energy stored in the inductor is

• A) 500.0J
• B) 250.0J
• C) 62.5J
• D) 50.0J