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

The correct sequence of plants in a hydrosere is
Guard cells help in
The ionization energy of the electron in the hydrogen atom in its ground state is $13.6\, eV.$ The atoms are excited to higher energy levels to emit radiations of $6$ wavelengths. Maximum wavelength of emitted radiation corresponds to the transition between
Study the pedigree chart given below. What does it show?
T.O. Diener discovered a
Polyethylene glycol method is used for
Power dissipated in an $LCR$ series circuit connected to an a.c. source of emf $\varepsilon$ is :
Steps taken by the Government of India to control air pollution include
The number of photo electrons emitted for light of a frequency $\upsilon$ (higher than the threshold frequency $v_0) $ is proportional to
Among the following which is the strongest oxidising agent?
Cytoskeleton is made up of
In the nuclear decay given below $^A_Z X \rightarrow \, ^A _{Z+1} Y \rightarrow \, ^{A-A}_{Z-1}B * \, \rightarrow \, ^{A-A}_{Z-1}B,$ the particles emitted in the sequence are
Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem ?
Which one of the following is monoecious?
Which one of the following is considered important in the development of seed habit?
A fruit developed from hypanthodium inflorescence is called
Which one of the following is a vascular cryptogam ?
Which one of the following has haplontic life cycle?
Alzheimer disease in humans is associated with the deficiency of
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.
In the reaction $BrO _{3}^{-}( aq )+5 Br ^{-}( aq )+6 H ^{+} \rightarrow 3 Br _{2}(l)+3 H _{2} O (l)$ The rate of appearance of bromine $\left( Br _{2}\right)$ is related to rate of disappearance of bromide ions as following
The dissociation constants for acetic acid and $HCN$ at $25^{\circ} C$ are $1.5 \times 10^{-5}$ and $4.5 \times 10^{-10}$ respectively. The equilibrium constant for the equilibrium $CN ^{-}+ CH _{3} COOH \rightleftharpoons HCN + CH _{3} COO ^{-}$ would be :
Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states?
Compared to blood our lymph has
Which one of the following is the correct matching of the events occurring during menstrual cycle?