Question : Which is used as an Air pollution indication?

Option 1: Algae

Option 2: Fungi

Option 3: Bacteria

Option 4: Lichens

Question : Which among the following is an example of a micro-economic variable?

Option 1: National income

Option 2: Aggregate supply

Option 3: Employment

Option 4: Consumer's equilibrium

Question : The main effect of direct taxes is on:

Option 1: food prices

Option 2: consumer goods

Option 3: capital goods

Option 4: income

Question : Human Development Index (HDI) is an aggregate measure of progress in which of the three dimensions?

Option 1: Health, Education, Income

Option 2: Food security, Employment, Income

Option 3: Agriculture, Industry, Services

Option 4: Height, weight, colour

Question : The income of A is $\frac{2}{3}$ of B's income and the expenditure of A is $\frac{3}{4}$ of B's expenditure. If $\frac{1}{3}$ of the income of B is equal to the expenditure of A, then the ratio of the savings of A to those of B is:

Option 1: 5 : 3

Option 2: 3 : 5

Option 3: 4 : 3

Option 4: 3 : 4