If \(x^2 +15x + 50 = ax^2 + bx + c = 0\). Which of the following statement is not true?

• A. x = -5
• B. x = 10
• C. x + 10 = 0
• D. bc = 750

An organism which exhibit extracellular digestion is

• A. Spirogyra
• B. Paramecium
• C. Amoeba
• D. Rhizopus

In the question below choose the word(s) or phrase whichbest fills the gap: My wife and i met .... on a ship going to Liberia.

• A. ourselves
• B. one another
• C. each other
• D. ourself

Nastic movement is in response to

• A) gravity
• B) Directional stimuli
• C) Non directional stimuli
• D) Para tonic stimuli

Progesterone is secreted by the

• A. corpus luteum
• B. seminal vesicle
• C. cowper's gland
• D. testes

After each of the following sentences, a list of possible interpretations of the sentence is given. Choose the interpretation that you consider most appropriate for each sentence. Walter is the dictator's hatchetman. This means that Walter

• A. discredits or eliminates the dictator's opponents
• B. placates those that are offended by the dictator
• C. explains the dictator's policies to the people
• D. finds out the dictator's enemies

In a parliamentary system of government,a vote of no confidence leads to the resignation of

• A. an indidvidual minister
• B. the prime minister
• C. the entire cabinet
• D. B and C

A rapid population growth can result from

• A. high death and low birth rate
• B. the use of family planning methods
• C. absence of natural hazards
• D. improved medical care

All the following activities belong to primary industries except

• A. lumbering
• B. quarrying
• C. processing
• D. fishing

The most common type of business in West African countries is

• A. joint-stock companies
• B. sole proprietorships
• C. Partnership
• D. public enterprises