List of top Questions asked in NEET (UG)

The driver of a car travelling with speed $30\, m/sec$ towards a hill sounds a horn of frequency $600\, Hz.$ If the velocity of sound in air is $330\, m/s,$ the frequency of reflected sound as heard by driver is
Which one of the following has maximum genetic diversity in India ?
An example of axile placentation is
Stroma in the chloroplasts of higher plant contains
Point mutation involves
A health disorder that results from the deficiency of thyroxine in adults and characterised by (i) a low metabolic rate, (ii) increase in body weight and (iii) tendency to retain water in tissues is
Use of anti-histamines and steroids give a quick relief from -
An example of a seed with perisperm and caruncle is
A person likely to develop tetanus is immunized by administering :
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
Foetal ejection reflex in human female is induced by :
The two ends of a rod of length $L$ and a uniform cross-sectional area $A$ are kept at two temperatures $T_1$ and $T_2 (T_1 > T_2).$ The rate of heat transfer, through the rod in a steady state is given by :
The ionisation constant of ammonium hydroxide is $ 1.77 \times 10^{-5} $ at $298\, K.$ Hydrolysis constant of ammonium chloride is
Synapsis occurs between
The magnetic force acting on a charged particle of charge $-2 \mu C$ in a magnetic field of $2 T$ acting in y direction, when the particle velocity is is $ (2 \hat{i} + 3\hat{j}) \times 10^6 \, ms^{-1}$
A conducting circular loop is placed in a uniform magnetic field $0.04\, T$ with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at $2\, mm/s.$ The induced emf in the loop when the radius is $2\, cm$ is
Which of the following is a pair of viral diseases?
The correct sequence of plants in a hydrosere is
The ionization energy of the electron in the hydrogen atom in its ground state is $13.6\, eV.$ The atoms are excited to higher energy levels to emit radiations of $6$ wavelengths. Maximum wavelength of emitted radiation corresponds to the transition between
Guard cells help in
Study the pedigree chart given below. What does it show?
T.O. Diener discovered a
Polyethylene glycol method is used for
Power dissipated in an $LCR$ series circuit connected to an a.c. source of emf $\varepsilon$ is :
Steps taken by the Government of India to control air pollution include