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

Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem ?
Which one of the following pairs of animals comprises 'jawless fishes'?
Which one of the following is a vascular cryptogam ?
Which one of the following has haplontic life cycle?
Which of the following is a symbiotic nitrogen fixer?
Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states?
A bar magnet having a magnetic movement of $2 \times 10^{4} JT ^{-1}$ is free to rotate in a horizontal plane. A horizontal magnetic field $B =6 \times 10^{-4}$ T exists in the space. The work done in taking the magnet slowly from a direction parallel to the field to a direction $60^{\circ}$ from the field is :
Semi-conservative replication of DNA was first demonstrated in
Cytoskeleton is made up of
Which one of the following is correct pairing of a body part with the kind of muscle tissue present in it?
One of the synthetic auxin is
Mannitol is the stored food in :
Oxygenic photosynthesis occurs in
Peripatus is a connecting link between
Select the incorrect statement from the following
Seminal plasma in humans is rich in
The electric potential at a point $(x. y, z)$ is given by $ V = - x^2 y - xz^2 + 4 $ The electric field at that point is
The equivalent conductance of $\frac{ M }{32}$ solution of a weak monobasic acid is $8.0\, mho\, cm ^{2}$ and at infinite dilution is $400\, mho\, cm ^{2}$, The dissociation constant of this acid is -
The given figure shows a diagrammatic sketch of a portion of human male reproductive system. Identify the parts labelled as $A$, $B$, $C$ and $D$ and select the correct option.
For the reaction, $N _{2}+3 H _{2} \rightarrow 2 NH _{3}$, If $\frac{ d \left[ NH _{3}\right]}{ dt }=2 \times 10^{-4}\, mol\, L ^{-1} s ^{-1}$, The value of $\frac{- d \left[ H _{2}\right]}{ dt }$ would be -
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 :
A bus is moving with a speed of $ 10 \,ms^{-1} $ on a straight road. A scooterist wishes to overtake the bus in $ 100 \,s $ . If the bus is at a distance of $ 1 \,km $ from the scooterist with what speed should the scooterist chase the bus ?
The segment of DNA which acts as the instrumental manual for the synthesis of the protein is
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
An example of axile placentation is