List of top Questions asked in NEET (UG)- 2009

Semi-conservative replication of DNA was first demonstrated in

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

One of the synthetic auxin is

Oxygenic photosynthesis occurs in

An example of axile placentation is

Which one of the following has maximum genetic diversity in India ?

Point mutation involves

Stroma in the chloroplasts of higher plant contains

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

An example of a seed with perisperm and caruncle is

Use of anti-histamines and steroids give a quick relief from -

When breast feeding is replaced by less nutritive food low in proteins and calories; the infants below the age of one year are likely to suffer from

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

Mannitol is the stored food in :

Foetal ejection reflex in human female is induced by :

Which of the following is not used as a biopesticide?

The electric field part of an electromagnetic wave in a medium is represented by: $E _{ x }=0$ $E _{ y }=2.5 \frac{ N }{ C } \cos \left[\left(2 \pi \times 10^{6} \frac{ rad }{ m }\right) t -\left(\pi \times 10^{-2} \frac{ rad }{ s }\right) x \right]$ $E _{ z }=0 .$ The wave is :

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 :

Seminal plasma in humans is rich in

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?