List of top Questions asked in NEET (UG)- 2017

A particle executes linear simple harmonic motion with an amplitude of $3 \,cm$. When the particle is at $2\,cm$ from the mean position, the magnitude of its velocity is equal to that of its acceleration. Then its time period in seconds is :
A 5000 kg rocket is set for vertical firing. The exhaust speed is 800 m/s. To give an initial upward acceleration of 20$m/s^{2},$ the amount of gas ejected per second to supply the needed thrust will be (Take g = 10 $m/s^{2}$)
A capacitor is charged by a battery. The battery is removed and another identical uncharged capacitor is connected in parallel. The total electrostatic energy of resulting system :
The number of geometrical isomers of $CH_{3} CH=CH-CH=CH-CH=CHCl$ is
Zygotic meiosis is characteristic of ;
Which of the following pairs of species have the same bond order ?
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field ?
Which of the following components provides sticky character to the bacterial cell?
In which pair of ions both the species contain S – S bond?
The pivot joint between atlas and axis is a type of
It is because of inability of $ns^{2}$ electrons of the valence shell to participate in bonding that:-
Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement.
Myelin sheath is produced by
The genotypes of a Husband and Wife are IAIB and IAi. Among the blood types of their children, how many different genotypes and phenotypes are possible?
The final proof for DNA as the genetic material came from the experiments of :
A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder if the rope is pulled with a force of 30 N?
Functional megaspore in an angiosperm develops into ?
Receptor sites for neurotransmitters are present on :
A baby boy aged two years is admitted to play school and passes through a dental check - up. The dentist observed that the boy had twenty teeth. Which teeth were absent?
A gas mixture consists of $2$ moles of oxygen and $4$ moles of Argon at temperature T. Neglecting all vibrational modes, the total internal energy of the system is
Adult human RBCs are enucleated. Which of the following statement(s) is/are most appropriate explanation for this feature ? (a) They do not need to reproduce (b) They are somatic cells (c) They do not metabolize (d) All their internal space is available for oxygen
A gas is allowed to expand in a well insulated container against a constant external pressure of $2.5\, atm$ from an initial volume of $2.50\, L$ to a final volume of $4.50\, L$. The change in internal energy $\Delta U$ of the gas in joules will be
The given electrical network is equivalent to
The given electrical network is equivalent to
A dioecious flowering plant prevents both :
A disease caused by an autosomal primary non- disjunction is: