List of top Questions asked in NEET (UG)- 2002

1 M and 2.5 litre NaOH solution mixed with another 0.5 M and 3 litre NaOH solution. Then find out molarity of resultant solution 

Unit of entropy is 

2 mole of ideal gas at 27ºC temp. is expanded reversibly from 2 lit. to 20 lit. Find entropy change (R = 2 cal/mol K) 

In $NO_3^-$ ion number of bond pair and lone pair of electrons on nitrogen atom are :-
Which of the following is iso-electronic :-

Which of the following has p\(_\pi\) – d\(_\pi\) bonding

In hydrogen atom, energy of first excited state is -3.4 eV. Then, KE of same orbit of hydrogen atom :-

In Hydrozen atom, energy of first excited state is – 3.4 eV. Then find out KE of same orbit of Hydrogen atom 

Which type of association is found in between entomophilous flower and pollinating agent :-
Reason of fast speciation in present day crop plants is
The semilog of per minute growing bacteria is ploted against time. What will the shape of graph : -
Out of 64 codons, 61 codons code for 20 types of amino acid. It is called :-
Transformation experiment was first performed on which bacteria:-

Which steroid is used for transformation 

Nucleus of a donor embryonal cell/somatic cell is transferred to an enucleated egg cell. Then after the formation of the organism, what shell is true 

In fluid mosaic model of plasma membrane

Jacob and Monad studied lactose metabolism in E.Coli and proposed operon concept. Operon concept applicable for 

There is no life on moon due to the absence of
Some bacteria able to grow in Streptomycin containing medium due to

Which of the following are homologous organs 

In which condition, the gene ratio remains constant for any species :-
Which statement is correct for bacterial transduction:-
In protozoa like Amoeba and Paramecium, the organ for osmoregulation is :-
In which of the following animals nerve cell is present but brain is absent:-

The magnetic field of a given length of wire for a single turn coil at its center is 'B' its value for a turn coil for the same wire is :