List of top Questions asked in NEET (UG)

An iron rod of susceptibility 599 is subjected to a magnetising field of 1200 A $m^{-1}$. The permeability of the material of the rod is : $(\mu_o = 4\pi \times 10^{-7} T\,m\,A^{-1})$

For transistor action, which of the following statements is correct ?

Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material. What will be the photoelectric current if the frequency is halved and intensity is doubled?

For the logic circuit shown, the truth table is :

Which of the following graph represents the variation of resistivity $(\rho)$ with temperature (T) for copper ?

A wheel with $20$ metallic spokes each $1\, m$ long is rotated with a speed of $120\, rpm$ in a plane perpendicular to a magnetic field of $0.4\, G$. The induced emf between the axle and rim of the wheel will be, $(1 G = 10^{-4}\, T)$

A wire of length L, area of cross section A is hanging from a fixed support. The length of the wire changes to \(L_1\) when mass M is suspended from its free end. The expression for Young’s modulus is:

A wire of length $L$ metre carrying a current of $I$ ampere is bent in the form of a circle. Its magnetic moment is,

The angle of $1'$ (minute of arc) in radian is nearly equal to

Three identical spheres, each of mass $M$, are placed at the corners of a right angle triangle with mutually perpendicular sides equal to $2\,m$ (see figure). Taking the point of intersection of the two mutually perpendicular sides as the origin, find the position vector of centre of mass

Two bodies of mass $4\,kg$ and $6\,kg$ are tied to the ends of a massless string. The string passes over a pulley which is frictionless (see figure). The acceleration of the system in terms of acceleration due to gravity (g) is :

Two coherent sources of light interfere and produce fringe pattern on a screen. For central maximum, the phase difference between the two waves will be

The energy required to break one bond in DNA is $10^{-20}J $. This value in eV is nearly

Match the following columns and select the correct option.

In which of the following techniques, the embryos are transferred to assist those females who cannot conceive?

All vertebrates are chordates but all chordates are not vertebrates, why ?

Correct position of floral parts over thalamus in mustard plant is :

The ovary is half inferior in:

The number of substrate level phosphorylations in one turn of citric acid cycle is :

Embryological support for evolution was disapproved by

First discovered restriction endonuclease that always cuts DNA molecule at a particular point by recognising a specific sequence of six base pairs is:

Strobili or cones are found in :

The oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of

The process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and in early morning is

Which of the following statements is incorrect about gymnosperms ?