List of top Questions asked in NEET (UG)- 2011

The instantaneous angular position of a point on a rotating wheel is given by the equation $\theta(t)=2t^3-6t^2$ The torque on the wheel becomes zero at
The Lassaigne's extract is boiled with conc. $HNO_3$ while testing for halogens. By doing so it
The power obtained in a reactor using $U^{235}$ disintegration is $1000\, {kW}$. The mass decay of $U^{235}$ per hour is
The process of $RNA$ interference has been used in the development of plants resistant to
The unit of rate constant for a zero order reaction is -
The Van't Hoff factor $I$ for a compound which undergoes dissociation in one solvent and association in other solvent is respectively :
The wavelength of the first line of Lyman series for hydrogen atom is equal to that of the second line of Balmer series for a hydrogen like ion. The atomic number $Z$ of hydrogen like ion is
Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of
Two radioactive nuclei $P$ and $Q$, in a given sample decay into a stable nucleus $R$. At time $t = 0$, number of $P$ species are $4\, N_0$ and that of $Q$ are $N_0$. Half-life of $P$ (for conversion to $R$) is $1$ minute where as that of $Q$ is $2$ minutes. Initially there are no nuclei of $R$ present in the sample. When number of nuclei of $P$ and $Q$ are equal, the number of nuclei of $R$ present in the sample would be
What happens during fertilization in humans after many sperms reach close to the ovum
What is common between vegetative reproduction and apomixis?

What type of human population is represented by the following age pyramid?

Age Pyramid
What will you look for to identify the sex of the following ?
Which of the following carbonyls will have the strongest C-O bond ?
Which of the following elements is present as the impurity to the maximum extent in the pig iron?
A person of mass $60\,kg$ is inside a lift of mass $940\,kg$ and presses the button on control panel. The lift starts moving upwards with an acceleration $1.0 \,m/s^2$. If $g = 10\, ms^{-2}$, the tension in the supporting cable is
Whorled, simple leaves with reticulate venation are present in
Which one of the following statements is not true regarding $(+)$ lactose?
Which one of the following organisms is not an example of eukaryotic cells ?
Which one of the following is the most wide accepted method of contraception in India at present?
Which one of the following is not a part of a renal pyramid?
Which one of the following is essential for photolysis of water?
Which one of the following is employed as Antihistamine?
Which one of the following is categorised as parasite in true sense ?
Which one of the following have the highest number of species in nature ?