List of top Questions asked in WBJEE

The order and degree of the following differential equation $\left[1+\left(\frac{dy}{dx}\right)^{2}\right]^{5/2} = \frac{d^{3}y}{dx^{3}}$ are respectively

The differential equation of the family of circles passing through the fixed points $(a, 0)$ and $(-a, 0)$ is

The value of the integral $\int\limits_{-a}^{a} \frac{xe^{x^2}}{1+x^{2}} dx $ is

The value of $\displaystyle\lim_{n\to\infty}\left(\frac{1}{n+1} +\frac{1}{n+2}+... +\frac{1}{6n}\right)$ is

Distillation of acetone with concentrated sulphuric acid gives

Plants purify air by which process?

One of the characteristic of sieve tube is

From which of the following, photosyntheric autotrophs receive their energy?

Study of pollen grain is called

In the following pairs, where do you get lignin in both the element?

A substance that induces dormancy of seed is

When does a plant wilt?

Which of the following sequence is a correct one foar meiotic cell cycle?

Which chemical is used for induction of polyploidy?

Broca's motor area for speech is located in

Passive immunity can be obtained through

$\frac {3x^2+1}{x^2-6x+8}$ is equal to

Mature ovum in human beings is surrounded by

The orbital angular momentum of an electron in $ 2s $ -orbital is

$ 4.6\times {{10}^{22}} $ atoms of an element weigh $13.8\,g$. The atomic weight of that element is

Which of the following has the smallest number of molecules?

Number of lone pair (s) in $ XeO{{F}_{4}} $ is/are

Which one of the following compounds has $ s{{p}^{2}} $- hybridisation?

The decomposition of hydrogen peroxide can be slowed by the addition of acetamide. The latter acts as a

The starting material used in Solvas process are