List of top Questions asked in NEET (UG)- 2004

The recessive genes located on X-chromosomes of humans are always
If you are provided with root tips of onion in your class and are asked to count the chromosomes, which of the following stages can be most conveniently looked into ?
Resistance $n$, each of $r$ ohm, when connected in parallel give an equivalent resistance of $R$ ohm. If these resistances were connected in series, the combination would have a resistance in ohms, equal to
Plants adapted to low light intensity have
In a mutational event, when adenine is replaced by guanine, it is a case of
Diversification in plant life appeared
A ball of mass $2 \,kg$ and another of mass $4\, kg$ are dropped together from a $60$ feet tall building. After a fall of $30$ feet each towards earth, their respective kinetic energies will be in the ratio of
Two springs of spring constants $ k_1 $ and $ k_2$ are joined in series. The effective spring constant of the combination is given by
The rate of first order reaction is $1.5 \times 10^{-2}$ mol $L^{-1} \, min^{-1}$ at 0.5 M concentration of the reactant. The half-life of the reaction is
The rapid change of $pH$ near the stoichiometric point of an acid base titration is the basis of indicator detection. $pH$ of the solution is related to ratio of the concentrations of the conjugate acid ($HIn$) and base $ (In^-) $ forms of the indicator given by the expression
The richest sources of vitamin B are