List of top Questions asked in UPSEE

Four men and three women are standing in a line for railway ticket. The probability of standing them in alternate manner is

A normal is drawn at a point $(x_1, y_1)$ of the parabola $y^2 = 16x$ and this normal makes equal angle with both $x$ and $y$ axes. Then point $(x_1, y_1)$ is

The Solution of the differential equation $\frac{dy}{dx}=2e^{x-y}+x^{2}e^{-y}$ is

Dicondylic skull is the characteristic feature of

Azotobacter and Beijerinckia are the examples of:

An incompressible non viscous fluid flows steadily through a cylindrical pipe which has radius $2R$ at point $A$ and radius $R$ at point $B$ farther along the flow direction. If the velocity of the fluid at point $A$ is $V$, its velocity at the point $B$ will be

Which one is not the property of crystalline soild ?

The decreasing order of electron affinity is:

Friedel - Craft reaction is not related with :

Which of the following compounds contain at least one secondary alcohol?

The isomerism exhibited by following compounds $[Co(NH_3)_6][Cr(CN)_6]$ and $[Cr(NH_3)_6][Cr(CN)_6]$ is

Transition state $2\, (TS2)$ is structurally most likely as:

Which of the following chromosomes are responsible for most of the sexlinked traits?

For the reaction $2SO_2 + O_2$ (excess) $\rightarrow\, 2SO_3$ the order of reaction with respect to $O_2$ is

Magnitude of binding energy of satellite is $E$ and kinetic energy is $K$ .The ratio $E/K$ is

The frequencies of $X-$ rays, Gamma rays and visible light waves rays are $a, b$ and $c$ respectively, then

An electron is at ground state of the $H$ atom. Minimum energy required to excite the $H$ atom into second excited state is

For the given reaction, $H _{2}( g )+ Cl _{2}( g )->2 H ^{+}( aq )+2 Cl ^{-}( aq ) ; \Delta G ^{\circ}=--262 \cdot 4 kJ$ The value of free energy of formation $\left(\Delta G_{f}^{\circ}\right)$ for the ion $C l^{-1}(a q)$, therefore will be

For a given circuit, it is observed that the current $I$ is independent of the value of the resistance $R_6$. Then, the resistance values must satisfy

Setting of plaster of Paris is

Fundamental frequency of a sonometer wire is $n$. If the length and diameter of the wire are doubled keeping the tension same, then the new fundamental frequency is

Lucas reagent is equimolar solution of

A dynamo converts

Which one of the following represents the correct ratio of the energy of electron in ground state of $H$ atom to that of the electron in the first excited state of $Li^{+}$ ?

Which of the following is the smallest unit ?