List of top Questions asked in CBSE CLASS XII- 2024

A solution containing 2 g of glucose (M = 180 g mol$^{-1}$) in 100 g of water is prepared at 303 K. If the vapour pressure of pure water at 303 K is 32.8 mm Hg, what would be the vapour pressure of the solution?
“Farm subsidies put a huge burden on the government finances, but are necessary for the poor and marginal farmers.” Justify the given statement.
Manoj and Nitin were partners in a firm sharing profits and losses in the ratio \(2 : 1\). On 31st March 2023, the balances in their capital accounts after making adjustments for profits and drawings were \rupee90,000 and \rupee80,000 respectively. During the year, Manoj withdrew \rupee40,000 and Nitin withdrew \rupee20,000. Subsequently, it was noticed that interest on capital @10\% p.a. was not provided to the partners. Also, interest on drawings to Manoj \rupee3,000 and to Nitin \rupee2,000 was not charged. Pass necessary adjusting journal entry.
Elaborate the ‘Banker’s Bank and Supervisor’ function of the Reserve Bank of India.
Let \( \mathbb{Z} \) denote the set of integers. Then, the function \( f : \mathbb{Z} \to \mathbb{Z} \) defined as \( f(x) = x^3 - 1 \) is:
1 molal aqueous solution of an electrolyte \( A_2B_3 \) is 60% ionized. Calculate the boiling point of the solution.
If the cells in the leaves of a maize plant contain 10 chromosomes each, write the number of chromosomes in its endosperm and zygote. Name and explain the process by which an endosperm and a zygote are formed in maize.

Sometimes cities may also be preferred by people for social reasons. Which of the following is not a reason?
 

Three crosses were carried out in pea plants with respect to flower colour violet/white (V/v) and flower position axial/terminal (A/a). Study in the table the crosses ‘a’, ‘b’ and ‘c’ where parental phenotypes and their $F_1$ progeny phenotypes are given. 
Find the genotypes of each of the parental pairs of crosses ‘a’, ‘b’ and ‘c’. 

“The influence of both the alleles in a heterozygous state is clearly expressed in codominance.” Explain with the help of inheritance of ABO blood group in humans.
Draw a T.S. of a mature anther of an angiosperm. Label its any three wall layers and mention their functions.
(a) "The most unique feature of the Harappan civilization was the development of urban centres." Explain.
An electric dipole consists of point charges $-1.0 \, \mathrm{pC}$ and $+1.0 \, \mathrm{pC}$ located at $(0, 0)$ and $(3 \, \mathrm{mm}, 4 \, \mathrm{mm})$ respectively in the $x$–$y$ plane. An electric field $\vec{E} = \left( 1000 \, \mathrm{V/m} \right) \, \hat{i}$ is switched on in the region. Find the torque $\vec{\tau}$ acting on the dipole.
 
For a hypothetical economy, the government incurs an additional investment expenditure of Rs.5,000 crore. Assuming that the Marginal Propensity to Save (MPS) becomes half from its present level of 20 percent, estimate the change in income due to this fall in MPS.
A solution is prepared by dissolving 5 g of a non-volatile solute in 200 g of water. It has a vapor pressure of 31.84 mm Hg at 300 K. Calculate the molar mass of the solute.
(Vapor pressure of pure water at 300 K = 32 mm Hg)
Complete the following table. Construct/Express the Consumption function at ₹ 200 crore level of income. \[ \begin{array}{|c|c|c|c|} \hline \textbf{Income (Y)} & \textbf{Savings (S)} & \textbf{Average Propensity to Consume (APC)} & \textbf{Marginal Propensity to Save (MPS)} \\ \hline 0 & -30 & 1 & 0.2 \\ 100 & 20 & 0.85 & 0.2 \\ 200 & 70 & 0.85 & 0.2 \\ 300 & 120 & 0.8 & 0.2 \\ \hline \end{array} \]
Two long straight wires 1 and 2 are kept as shown in the figure. The linear charge density of the two wires are \(\lambda\) 1 = 10 C/m and \(\lambda\)2 = -20 C/m. Find the net force F experienced by an electron held at point P:
“Real Gross Domestic Product (GDP) is a better indicator of economic growth of a nation as compared to the Nominal Gross Domestic Product (GDP).”
Do you agree with the given statement? Justify your answer with a valid hypothetical numerical example.
We miss a thing when we are in fear of losing it. Substantiate this statement with two examples from ‘The Last Lesson,’ how the people in the story suddenly realized how precious their language was to them.
India is emerging as one of the most popular tourist destinations in the world. Write an article on “India as a popular choice of Foreign Visitors”. You are Leela/Laksh.
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You are a renowned doctor and have been invited by your school alumni as Chief Guest to the Annual Graduation Ceremony of Green School on Sunday, March 24th, 2024. Write a letter to the President of the Alumni Association expressing your inability to attend due to a prior commitment. Also convey your congratulations to the graduating students.
 
How is Mukesh different from other boys of his age ? (Lost Spring)
What confusion does the Dewan have when the Tiger King broaches the topic of his marriage? (The Tiger King)
What inference can you draw about Sophie’s relationship with her father from the story ‘Going Places’?
The problem of the residents’ parking of vehicles, often leading to minor scuffles, has become a source of growing concern. As Secretary of Goodwill Flats Welfare Association, Shripur, write a notice informing the residents about a meeting to discuss the problem and find an acceptable solution. Invent necessary details.