Which of the following machines does not apply the lever principle?

• A. Claw hammer
• B. Wheelbarrow
• C. Single pulley
• D. sugar tong

The primary barrier to land reform in developing countries is the?

• A. frequent opposition by the landlords
• B. realization that output levels might fall
• C. fear that peasants will be cut off from credit
• D. general contentment with the present arrangement

In the preparation of carbon monoxide by heating ethanedoic acid with concentrated sulphuric acid, the conc. sulphuric acid acts as

• A) oxidizing agent
• B) reducing agent
• C) dehydrating agent
• D) reaction medium

The equilibrium price clears the market; it is the price at which___________

• A. Everything is sold
• B. Buyers spend all their money
• C. Excess demand is zero
• D. None of the above

Which of the following is not a part of the electro-magnetic spectrum?

• A. x-rays
• B. microwaves
• C. infrared radiation
• D. alpha rays

Citizenship can be changed through

• A. proclamation
• B. residence
• C. renunciation
• D. announcement

After thousands of years of existing, elephants still remainextant.

• A. subdued
• B. pulverized
• C. strong
• D. enduring

Hydrogen can be displaced from a hot alkaline solution by

• A. Fe
• B. Cu
• C. Ca
• D. Sn

Which of the following substances cannot be classified as a heavy chemical?

• A. AgNO3
• B. CaO
• C. CaOCI2
• D. H2SO4

From the words lettered A to D below each of the following sentences, choose the word or group of words that is nearest in meaning to the underlined word as it is used in the sentence.

Modou isendowed with a great potential.

• A. enlightened
• B. provided
• C. gifted
• D. inspired