The shape of a production possibility frontier is determined by the?

• A. increasing relative costs
• B. returns to scale
• C. diminishing returns to a fixed factor
• D. increasing returns to a variable factor

Charging different prices for the same commodity is a feature of a

• A. perfect competition
• B. commodity market
• C. monopolistic competition
• D. monopoly market

Fill each gap with the most appropriate option from the list provided.

Three quarters of the people in the village ....... killed but only half of their huts ......... affected?

• A. were / were B. was / was C. were/ was D. was /were
• B. was / was
• C. were/ was
• D. was /were

Which of the following is an autotrophic mode of nutrition?

• A. Chemosynthesis
• B. Saprophytism
• C. Parasitism
• D. Symbiosis

p and q are statements such that \(p \implies q\). Which of the following is a valid conclusion from the implication?

• A. \(q \implies p\)
• B. \(\sim q \implies p\)
• C. \(\sim q \implies \sim p\)
• D. \(\sim p \implies \sim q\)

Outline five factors that give rise to the adoption of federalism.

If a germinating seed is attached horizontally on a revolving klinostat, what will be the effect of the seedling after three days? The

• A. plumule will curve vertically upward while the radicle will curve towards the ground
• B. plumule and radicle will not show any curvature
• C. radicle will curve towards the ground while the plumule will not show any curvature
• D. plumule will curve vertically upward while the radicle will not show any curvature

From the words lettered A to D, choose the word that best completes each of the following sentences.

The editor decided not to publish the..........article since the writer did not indicate his name

• A. unmarked
• B. unlabelled
• C. anonymous
• D. stamped

Mohammed Ali was able to gain effective control of Egypt

• A. by defeating the Wahabis
• B. by eliminating the Mamluks
• C. with the support of the Felahin
• D. with the support of the French.

Opposite in meaning – All the innovation initiated by the association’s former president have been ___ by the predecessor

• A. modified
• B. criticized
• C. abolished
• D. ignored