List of top Questions asked in NEET (UG)

The given figure is the representation of a certain event at a particular stage of a type of cell division. Which is this stage?
The highest number of species in the world is represented by
Which one of the following options gives one correct example each of convergent evolution and divergent evolution?
Convergent evolution Divergent evolution
(a) Eyes of octopus and mammals Bones of forelimbs of vertebrates
(b) Thorns of Bougainvillea and tendrils of Cucurbita Wings of butterfly and birds
(c) Bones of forelimbs of vertebrates Wings of butterfly and birds
(d) Thorns of Bougainvillea and tendrils of Cucurbita Eyes of octopus and mammals
Which one of the following options gives the correct categorisation of animals according to the type of nitrogenous waste they give out?
Ammonotelic Ureotelic Uricotelic
(a) Pigeon, humans Aquatic amphibia, lizards Cockroach frog
(b) Frog, lizards Aquatic amphibia humans Cockroach pigeon
(c) Aquatic animals Frog, amphibia, humans Pigeon, lizards, cockroach
(d) Aquatic animals Cockroach, amphibia, humans Frog, pigeon, lizards
The supportive skeletal structures in the human external ears and in the nose tip are examples of
An electron of a stationary hydrogen atom passes from the fifth energy level to the ground level. The velocity that the atom acquired as a result of photon emission will be ($m$ is the mass of the electron, $R$, Rydberg constant and $h$ Planck's constant)
In which one of the following the genus name its two characters and its phylum are not correctly matched, whereas the remaining three are correct
Genus name Characters Phylum
(a) Pila (i) Body segmented
(ii) Mouth with radula 		Mollusca
(b) Asterias (i) Spiny skinned
(ii) Water vascularsystem 		Echinodermata
(c) Sycon (i) Pore bearing
(ii) Canal system 		Porifera
(d) Periplaneta (i) Jointed appendages
(ii) Chitinous exoskeleton 		Arthropoda
$200 \,mL$ of an aqueous solution of a protein contains its $1.26\, g$. The Osmotic pressure of this solution at $300\, K$ is found to be $2.57 \times 10^{-3}$ bar. The molar mass of protein will be ($R = 0.083 \, L\, bar\, mol^{-1} \, K^{-1}$):
The complexes $[Co(NH_3)_6][Cr(CN)_6]$ and $[Cr(NH_3)_6][Co(CN)_6]$ are the examples of which type of isomerism?
The complex, $[Pt(Py)(NH_3)Br\,Cl]$ will have how many geometrical isomers?
Standard electrode potential of three metals $X, Y $ and $Z$ are $-1.2\,V, + 0.5\,V$ and $-3.0\,V $respectively. The reducing power of these metals will be
The correct order of increasing bond length of $ C - H, C - O, C - C$ and $ C = C $ is
The pairs of species of oxygen and their magnetic behaviours are noted below. Which of the following presents the correct description ?
According to the Bohr Theory, which of the following transitions in the hydrogen atom will give rise to the least energetic photon?
A bubble of air is underwater at temperature $15^{\circ}C$ and the pressure $1.5 \,bar$. If the bubble rises to the surface where the temperature is $25^{\circ}C$ and the pressure is $1.0\, bar$, what will happen to the volume of the bubble?
A 0.1 molal aqueous solution of a weak acid is 30% ionized. If $K_f$ for water is $ 1.86^{\circ} C/m$, the freezing point of the solution will be -
A biconvex lens has a radius of curvature of magnitude $20\, cm$. Which one of the following options describe best the image formed of an object of height $2 \,cm$ placed $30\, cm$ from the lens?
Two particles are oscillating along two close parallel straight lines side by side, with the same frequency and amplitudes. They pass each other, moving in opposite directions when their displacement is half of the amplitude. The mean positions of the two particles lie on a straight line perpendicular to the paths of the two particles. The phase difference is
The potential energy of a system increases if work is done
A mass $m$ moving horizontally (along the $x-axis)$ with velocity $v$ collides and sticks to a mass of $3m$ moving vertically upward (along the $y$ -axis) with velocity $2\,v$. The final velocity of the combination is
In the circuit shown in the figure, if the potential at point $A$ is taken to be zero, the potential at point $B$ is
A particle of mass $m$ is thrown upwards from the surface of the earth, with a velocity $u$ . The mass and the radius of the earth are, respectively, $M$ and $R. G$ is gravitational constant and $g$ is acceleration due to gravity on the surface of the earth. The minimum value of u so that the particle does not return back to earth, is
Two waves are represented by the equations $y_1 = a \sin(\omega t + kx + 0.57) m $ and $y_2 = a \cos(\omega t + kx) m,$ where $x$ is in meter and $t$ in sec. The phase difference between them is
Three charges, each $+q$, are placed a at the corners of an isosceles triangle $ABC$ of sides $BC$ and $AC$, $2a$. $D$ and $E$ are the mid points of $BC$ and $CA$. The work done in taking a charge $Q$ from $D$ to $E$ is
A body is moving with velocity $30\, ms$ towards east After 10 s its velocity becomes $40 \,ms$ towards north. The average acceleration of the body is