One of the main principles of the presidential system is the

• A. parliamentary supremacy
• B. separation of powers
• C. creation of local governments
• D. collective responsibility

The most important advantage of in-breeding is that

• A. offspring show hybrid vigour
• B. offspring grow more rapidly
• C. offspring that can withstand variation of environment is produced
• D. specific qualities of an animal are preserved and concentarted

Mineral acids are usually added to commercial hydrogen peroxide to

• A) oxidize it
• B) decompose it
• C) minimize its decomposition
• D) reduce it to water and oxygen

Ayyam at tashriq are the days of

• A. buying and selling
• B. visits and caring
• C. singing and dancing
• D. eating and drinking.

(a) The 6th term of an A.P is 35 and the 13th term is 77. Find the 20th term.

(b)

The Venn diagram represents three subsets P, Q and R of the universal set U. Copy the Venn diagram. Shade and indicate the regions represented by (i) \(P \cap Q' \cap R\) ; (ii) \(P' \cap Q \cap R'\).

Cost classification in relation to charges is determined by the level of?

• A. raw materials
• B. labour
• C. activity
• D. profitability

One of the main achievements of the Economic Commission for Africa is

• A. eliminating trade restrictions among states
• B. encouraging transport and communication development
• C. guaranteeing a steady flow of foreign investment into Africa
• D. providing the machinery for collaboration on monetary issues

A man who earns #480 a month has to pay 25K as tax on every naira. How much does he pay as tax?

• a. #480
• b. #120
• c. #100
• d. #75

An effective way of controlling inflation in a mixed economy is to

• A. increase productivity
• B. reduce income tax
• C. ration available output
• D. increase imports

Which of the following emphasizes the rule of law and human right protection?

• A. constitutionalism
• B. delegated legislation
• C. decentralization
• D. centralization