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

Synapsis occurs between

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}$

A conducting circular loop is placed in a uniform magnetic field $0.04\, T$ with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at $2\, mm/s.$ The induced emf in the loop when the radius is $2\, cm$ is

Which of the following is a pair of viral diseases?

The correct sequence of plants in a hydrosere is

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

Guard cells help in

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

Cytoskeleton is made up of

Among the following which is the strongest oxidising agent?

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?

Which one of the following has haplontic life cycle?

Which one of the following is a vascular cryptogam ?

A fruit developed from hypanthodium inflorescence is called

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

Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states?