List of top Questions asked in NEET (UG)

Uncertainty in position of an electron (mass of an electron is =$9.1\times10^{-28}g)$ moving with a velocity of $3 \times 10 ^4$ cm/s accurate upto 0.001% will be (use $\frac{h}{4\pi}$ in uncertainty expression where $h = 6.626 \times 10^{-27}$ erg s)
A heating coil is labelled 100 W, 220 V. The coil is cut in half and the two pieces are joined in parallel to the same source. The energy now liberated per second is
A $4\, \mu F$ capacitor is charged to 400 V. If its plates are joined through a resistance of $2\,k \Omega$, then heat produced in the resistance is
In the network shown in the figure, each of the resistance is equal to $2\, \Omega.$ The resistance between the points A and B is
Which of the following statements about enzymes are true?
The electronic configuration of an element is $1s^2,2s^2 2p^6,3s^2 3p^3$. What is the atomic number of the element, which is present just below the above element in the periodic table?
The figure indicates the energy level diagram of an atom and the origin of six spectral lines in emission (e.g. line no. 5 arises from the transition from level B to A). Which of the following spectral lines will occur in the absorption spectrum?
Which one of the following pairs is correctly matched?
The homologous organs are those that show similarity in
The neurogenic heart is the characteristic feature of
There is an electric field E in x-direction. If the work done on moving a charge of 0.2 C through a distance of 2 m along a line making an angle 60$^{\circ}$ with x-axis is 4 J, then what is the value of E?
A charge q is placed at the centre of the line joining two exactly equal positive charges The system of three charges will be in equilibrium, if q is equal to
A simple pendulum with a bob of mass m oscillates from A to C and back to A such B that PB is H. If the acceleration due to gravity is g, then the velocity of the bob as it passes through B is
Among the lanthanides, the one obtained by synthetic method is
In which of the following reactions, there is no change in valency ?
As a tree grows older, which of the following increases more rapidly in thickness?
Haploid plants can be obtained by culturing
Brown ring test is used to detect
Which of the following is an example of platyhelminthes?
Radial symmetry is, usually, exhibited in animals which
Which of the following species does not have the ability to fix atmospheric nitrogen?
Ray optics is valid, when characteristic dimensions are
The dominant second trophic level, in a lake ecosystem, is
The pace setter in the heart is called
The extra embryonic membranes of mammalian embryo are derived from