List of top Questions asked in UPSEE

?Lumen? is the unit of

Two beams of red and violet colour are made to pass separately through a prism with angle of prism $60^{\circ}$. In the position of minimum deviation, the angle of refraction will be:

The molecules of which of the following gases has the highest speed?

Which of the following oxides would be reduced by C? ${Al_2 O_3, MgO, ZnO , CaO, Fe_2 O_3 , PbO} $

Let P be a $2 \times 2$ matrix such that [1 0] P = $ - \frac{1}{\sqrt{2}} [ 1 1]$ and $[0 1] P = \frac{1}{\sqrt{2}} [- 1 1]$ . If 0 and I denote the zero and identity matrices of order 2, respectively, then which of the following options is CORRECT ?

Nylon 66 is formed by

In which compound does H show O. N of -1?

Why is the heat evolved in neutralization of HF is highest

The number of the distinct real roots of the equation $\begin{vmatrix}\sin x&\cos x&\cos x\\ \cos x&\sin x&\cos x\\ \cos x&\cos x&\sin x\end{vmatrix} = 0 $ , in the interval $ - \frac{\pi}{4} \le x \le \frac{\pi}{4}$ is

Which one of the following group is nutritionally essential amino acids?

The movement of Pollen tube is:

Consider the following statements: Hardy Weinberg equilibrium is maintained in a population where (i) random mating is there (ii) there is no natural selection (iii) a population may gain or loose alleles Which of the statements given above is/are correct?

The antibody produced in allergic reaction is:

Which of the following does not show a resonance effect

Which one is a synthetic Auxin:

An eagle flies at constant velocity horizontally across the sky, carrying a mouse and releases the mouse while in flight. From the eagle?? perspective, the mouse falls vertically with speed $v_1$ . From an observer on the ground?? perspective, the mouse falls at an angle with speed $v_2$ . What is the speed of the eagle with respect to the observer on the ground ?

The lowest water potential in the xylem will be of:

The $E _{\text {red }}^{\circ}$ of $Ag,\, Cu ,\, Co$ and $Zn$ are $0.799$ $0.337,-0.277$ and $-0.762\, V$ respectively, which of the following cells will have maximum cell emf?

When was Montreal Protocol signed?

The term "gene" was introduced by:

A stationary source (see figure) emits sound waves of frequency $f$ towards a stationary wall. If an observer moving with speed u in a direction perpendicular to the wall measures a frequency $f' = \frac{11}{8} f $ at the instant shown, then $u$ is related to the speed of sound $V_S$ as

A rectangular wire loop with length a and width b lies in the xy-plane as shown. Within the loop, there is a time dependent magnetic field given by $B = c [( x \cos \omega t ) \hat{ i }+( y \sin \omega t ) \hat{ k }]$ Here, $C$ and $\omega$ are constants. The magnitude of emf induced in the loop as a function of time is

Which of the following does not depend on the attraction of the bonding pair towards the nucleus.

The infective stage of Entamoeba histolytica is: