NECO Past Questions and Answers - Page 160

796.

The unit for measuring changes in prices and output is called ………………. index

A.

Capital

B.

Expenditure

C.

Income

D.

Money

E.

Price

Correct answer is E

No explanation has been provided for this answer.

797.

One of the positive contributions of the petroleum industry to Nigeria’s economic development is that it

A.

Creates ecological problems

B.

Creates political unrest

C.

Creates uncertainties in government revenues

D.

Is a major foreign exchange earner

E.

Suppresses agricultural development

Correct answer is D

No explanation has been provided for this answer.

798.

The relative density of a liquid is the ratio of the

A.

Mass of water to the mass of an equal volume of liquid

B.

Upthrust in the liquid to the upthrust in water

C.

Density of water to the density of the liquid

D.

Upthrust in water to the upthrust in the liquid

Correct answer is B

No explanation has been provided for this answer.

799.

Which of these factors causes a change in the quantity demanded of a commodity?

A.

Income

B.

Population

C.

Price of other commodities

D.

Price of the commodity concerned

E.

Taste and fashion

Correct answer is D

No explanation has been provided for this answer.

800.

Which of the following waves is both transverse and mechanical?

A.

Water waves

B.

Radio waves

C.

Sound waves

D.

X-rays

Correct answer is A

No explanation has been provided for this answer.