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

The annular and spirally thickened conducting elements generally develop in the protoxylem when the root or stem is
The correct sequence of plants in a hydrosere is
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
The ionisation constant of ammonium hydroxide is $ 1.77 \times 10^{-5} $ at $298\, K.$ Hydrolysis constant of ammonium chloride is
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}$
The number of photo electrons emitted for light of a frequency $\upsilon$ (higher than the threshold frequency $v_0) $ is proportional to
Uric acid is the chief nitrogenous component of the excretory products of
Use of anti-histamines and steroids give a quick relief from -
What is the $ [OH^-] $ in the final solution prepared by mixing $20.0\, mL$ of $0.050\, M\, HCl$ with $30.0\, mL$ of $0.10\, M Ba(OH)_2 $ ?
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
Which of the following does not show optical isomerism? (en = ethylenediamine)
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