Tamil Nadu (English Medium) Std 9 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
The demand for a commodity by all the households in an economy is known as

(A) Market demand	(B) Demand
(C) Individual demand	(D) Price demand

Question-2
The law of demand implies that demand curves

(A) Slopes up	(B) Slope down
(C) Shift up when ever the price rises	(D) Shift down when ever the price rises

Question-3
When a change in price results in an infinitely large response in quantity demanded, demand is

(A) Unit elastic	(B) Perfectly inelastic
(C) Perfectly elastic	(D) Elastic

Question-4
The law of demand is given by

(A) Prof. Marshall	(B) Adam smith
(C) Prof. Walker	(D) J.B. Say

Question-5 Individual demand is also known as ________ demand.

(A) Market	(B)Household
(C)Corporate	(D)Price

Question-6
The demand for a particular commodity changes according to its:

(A) Stock	(B) Supply
(C) Utility	(D) Price

Question-7
The demand for a commodity is always

(A) At its cost	(B) At its price
(C) At its size	(D) At its demand

Question-8
______ is desire backed by ability and willingness to pay for a commodity.

(A) Supply	(B) Stock
(C) Demand	(D) Profit

Question-9
The value of a thing expressed interms of money is called

(A) Utility	(B) Cost
(C) Price	(D) Demand

Question-10
When demand decreases

(A) Price falls and quantity decreases	(B) Price falls and quantity increases
(C) Price rises and quantity increases	(D) Price rises and quantity increases

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Std 9

Tamil Nadu (English Medium)

Practice in Related Chapters
Equilibrium Price
Demand and Supply