The capture and digestion of insects by a pitcher plant is a special form of nutrition termed

• A. autotrophic
• B. heterotrophic
• C. chemosynthetic
• D. saprophytic

Which of following functions is performed by manganese IV oxide in the Lenclanche cell?

• A. control of local action
• B. depolarisation of the cell
• C. regulating current flow in the cell
• D. reduction of the internal resistance of the cell

What is the size of each interior angle of a 12-sided regular polygon?

• A. 120°
• B. 150°
• C. 30°
• D. 180°

The following substances are normal salts except

• A. AI(NO₃)₃
• B. FeSO₄
• C. Mg(OH)NO₃
• D. NaCI

In the 1950s, a man named Joseph McVicker was struggling to keep his business afloat when his sisterin-law Kay Zufall advised him to repurpose the company’s product, a nontoxic, clay-like substance for removing soot from wallpaper, as a modeling putty for kids. In addition, Zufall ______ selling the product under a child-friendly name: Play-Doh. Which choice completes the text so that it conforms to the conventions of Standard English?

• A) suggested
• B) suggests
• C) had suggested
• D) was suggesting

Find the nth term of the linear sequence (A.P) (5y + 1), ( 2y + 1), (1- y),...

• A. (8 + 3n)y + 1
• B. 8y + 3n + 1
• C. (8 - 3n)y + 1
• D. 8y - 3n + 1

BY definition, variable cost (VC) is related to total costs (TC) and fixed costs (FC) by the equation?

• A. VC =TC + FC
• B. VC = TC - FC
• C. VC = TC/FC
• D. VC = (TC)(FC)

This question is based on Buchi Emecheta's Second Class Citizen.

In Adah's view, the white society in the novel is one in which

• A. there is communal feeling
• B. neighbourliness is lacking
• C. neighbours live happily
• D. members are unfriendly

Which of the following best explains why a person suffers a more severe burn when his skin is exposed to steam than when boiling water pours on his skin?

• A. Steam is at a higher temperature than boiling water
• B. Steam possesses greater heat energy per unit mass than boiling water
• C. Steam spreads more easily over a wider area of the skin man boiling water
• D. Steam penetrates more deeply into the skin than boiling water

The type of soil with a particle size of 0.02 to 0.002mm is

• A. clay
• B. slit
• C. fine sand
• D. coarse sand