List of top Questions asked in CBSE CLASS XII

Read the following statements: Assertion (A) and Reason (R). Choose the correct alternative from those given below: 
Assertion (A): The maximum value of Marginal Propensity to Save (MPS) can be unity. 
Reason (R): At the break-even level of income, savings are zero.

Read the following statements: Assertion (A) and Reason (R). Choose the correct alternative from those given below: 
Assertion (A): The equilibrium level of income is determined, when ex-ante spending and ex-ante output are equal. 
Reason (R): The equilibrium level of income may or may not be the same as the full employment level of output.

Study the following figure carefully and choose the correct alternative to fill in the blank: 
 

Suppose in an imaginary economy, autonomous consumption = Rs. 500 crore and marginal propensity to consume = 0.8. The saving function for the economy would be ________ . (Choose the correct alternative to fill in the blank):

Read the following statements carefully: 
Statement 1: A consumption function describes the relationship between consumption and savings. 
Statement 2: Consumption function consists of two components---autonomous consumption and induced consumption. 
In the light of the given statements, choose the correct alternative from the following:

“The participation rate of people in economic activities in rural areas is more than that in urban areas.”
Justify the given statement.
“Amita is a regular worker in a private firm that employs twelve hired workers.” Is she working in the formal/informal sector? Give valid reasons in support of your answer.
Discuss any two liberalization measures pertaining to the tax reforms, introduced by the government, during the economic reform process of 1991.
Explain the ‘reallocation of resources’ objective of Government Budget.
Read the following statements carefully: Statement 1: Economic territory and political frontier of a nation are one and the same thing.
Statement 2: American Embassy in India is a part of the economic territory of India. In the light of the given statements, choose the correct alternative from the following:
Identify which of the following is {not one of the merits of a fixed exchange rate system:}
Identify which of the following will appear on the debit side in the Capital Account of India’s Balance of Payments:

From the following Balance Sheet of Hira Ltd. as at 31st March, 2023, prepare Comparative Balance Sheet: 

The rate of a reaction quadruples when the temperature changes from 293 K to 313 K. Calculate the energy of activation of the reaction assuming that it does not change with temperature.
[Given : \(\log 4 = 0.602,\ \log 2 = 0.301,\ R = 8.314\ \mathrm{J\ K^{-1}\ mol^{-1}}\)]
The difference of the order and the degree of the differential equation \[ \Big( \frac{d^2 y}{dx^2} \Big)^2 + \Big( \frac{dy}{dx} \Big)^3 + x^4 = 0 \text{ is:} \]
Evaluate $\displaystyle \int \frac{\cos 2x}{\sin^2 x \cdot \cos^2 x} dx$
The integrating factor of the differential equation $(3x^2 + y) \frac{dx}{dy} = x$ is:
If A is a square matrix of order 3 and $|A| = 6$, then the value of $|\text{adj} A|$ is:
If matrix $A = \begin{bmatrix} 1 & -1 \\ -1 & 1 \end{bmatrix}$ and $A^2 = kA$, then the value of $k$ is:
It is given that \[ X \begin{bmatrix} 3 & 2 \\ 1 & -1 \end{bmatrix} = \begin{bmatrix} 4 & 1 \\ 2 & 3 \end{bmatrix}. \text{ Then matrix X is:} \]

Three compounds are given below:
 
The correct decreasing order of their basic strength is:

Hoffmann Bromamide Degradation reaction is given by:
Assertion (A): Benzene diazonium salt is stable and can be easily stored.
Reason (R): Benzene diazonium chloride decomposes easily.
Choose the compound which is more acidic than phenol:
Assertion (A): D (+)-Glucose is dextrorotatory.
Reason (R): Symbol ‘D’ represents its dextrorotatory nature.