List of top Questions asked in PSEB XII

Marginal Propensity to Consume (MPC) =
Who is Producer?
What is meant by foreign Exchange Rate?
Choose True/False : Net Indirect Taxes = (Indirect Taxes - Subsidy)
A variable which is measured with reference to 'a point of time' is called ________.
Which Banks do not have the authority to issue the currency notes in India ?
Income Tax is a type of ________.
Which is not the part of a government budget ?
Choose : (True/False) Producer's Equilibrium is determined when Marginal Cost equals to Marginal Revenue and Marginal Cost Curve cut Marginal Revenue Curve from below.
Read the given statements carefully.
Statement 1 : There is more economic freedom to a person in the Mixed Economy.
Statement 2 : There is more economic freedom to a person in the Socialistic Economy.
Choose the right answer in the light of above given statements :
What type of relation is between Price and Demand ?
Per Unit Cost of a commodity is called ________.
________ are two principal branches of Economics.
When TU is maximum, then MU is ________.
What is Bank Rate ?
National Income = ________.
Which form of Market is more practical ?
Supply of a commodity rises due to rise in Price is called ________.
How many unpaired electrons are present in Fe$^{+3}$, Zn$^{+2}$ and Mn$^{+2}$ ?
Explain why Cu$^{+2}$ salts are coloured while Zn$^{+2}$ salts are colourless ?
Calculate the molar conductance $\Lambda_m^\circ$ for CaCl$_2$, given that $\lambda^\circ(Ca^{+2}) = 119.5$ S cm$^2$ mol$^{-1}$ and $\lambda^\circ(Cl^-) = 76.3$ S cm$^2$ mol$^{-1}$.

Calculate the two third life of a first reaction having K=5.48 $\times$ 10$^{-14}$s$^{-1}$.

Calculate the half-life time of a first order reaction having K=8min$^{-1}$.
The rate constant for a first order reaction is 60 sec$^{-1}$. How much time will it take to reduce the concentration of the reaction to 1/10$^{th}$ of its initial value ?
18 gm of glucose (C$_6$H$_{12}$O$_6$) is dissolved in 1 kg of water in a saucepan. At what temperature will the water boil at 1.013 bar pressure ? K$_b$ for water is 0.52 K kg mol$^{-1}$.