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

Which of the following is not used as a biopesticide?
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 ?
Alzheimer disease in humans is associated with the deficiency of
The segment of DNA which acts as the instrumental manual for the synthesis of the protein is
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
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 ?
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
Mannitol is the stored food in :
Foetal ejection reflex in human female is induced by :
Seminal plasma in humans is rich in
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