NECO Past Questions and Answers - Page 231

1,151.

The law of variable proportion state that if the quantities of variable factor of production are used with fixed factor, after a certain point,

A.

Each successive unit of the variable factor brings about a decreasing marginal product

B.

Each successive unit of the variable factor bring about equal increase in marginal product

C.

Each successive unit of the variable factor bring about an increasing marginal product

D.

Each successive unit of the variable factor bring about four time increase in marginal product

E.

Each successive unit of the variable factor bring about more than equal increase in marginal product

Correct answer is B

No explanation has been provided for this answer.

1,152.

An economic system where both the public and individuals own and control means of production is known as ……… system

A.

Capitalism

B.

Communist

C.

Mixed

D.

Socialist

E.

Welfarism

Correct answer is C

No explanation has been provided for this answer.

1,153.

Which of the following scientists postulated that moving particles exhibit wave properties?

A.

Ernest Rutherford

B.

Erwin Schroedinger

C.

Frank Hertz

D.

Louis de Broglie

E.

Werner Heisenberg.

Correct answer is D

No explanation has been provided for this answer.

1,154.

The space surrounding a magnet in which the magnetic force is exerted is

A.

magnetic field

B.

magnetic flux

C.

magnetic point

D.

magnetic pole

E.

magnetic strength

Correct answer is A

No explanation has been provided for this answer.

1,155.

Which of the following statements about the concept of solid friction is NOT true?

A.

It always acts in the direction of motion

B.

It causes wear and tear in car tyres

C.

It depends on the nature of the surfaces in contact

D.

It is independent of the area of the surfaces in contact.

E.

It reduces the efficiency of the machine

Correct answer is A

No explanation has been provided for this answer.