List of top Questions asked in NEET (UG)

What is the correct relationship between the pHs of isomolar solutions of sodium oxide (pH1),sodium sulphide (pH2),sodium selenide (pH3) and sodium telluride (pH4)?
The mole fraction of the solute in one molal aqueous solution is:
Which one of the following pairs represents stereoisomerism ?

A 5-A fuse wire can withstand a maximum power of 1W incircuit.The resistance of the fuse wire is:

The energy of the second Bohr orbit of the hydrogen atom is -328 kJ mol-1; hence the energy of the fourth Bohr orbit would be:

If a vector 2î+3ĵ+8 is perpendicular to the vector 4ĵ-4î+α,then the value of α is:
Two batteries,one of emf 18 V and internal resistance 2Ω and the other of emf 12 V and internal resistance 1Ω, are connected as shown.The voltmeter V will record a reading of :

Copper has face-centered cubic (fcc) lattice with interatomic spacing equal to 2.54 Å.The value of the lattice constant for this lattice is:

Which one of the following alkenes will react faster with H2 under catalytic hydrogenation conditions?(R=Alkyl substituent)

For the network shown in the figure, the value of the current i is:
Secretin and cholecystokinin are digestive hormones. They are secreted in
In a man, abducens nerve is injured. Which one of the following functions will be affected ?
Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species?
A network of four capacitors of capacity equal to C1=C,C2=2C,C3=3C and C4=4C are connected to a battery as shown in the figure. The ratio of the charges on C2 an C4 is
A network of four capacitors of capacity equal to C1=C,C2=2C,C3=3C and C4=4C
Which of the following pairs of a chemical reaction is certain to result in a spontaneous reaction?
Which of the following is generally used for induced mutagenesis in crop plants?
More than 70% of world's freshwater is contained in :
Which of the following is the simplest amino acid
A woman with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. This boy
Which of the following is not used for disinfection of drinking water ?
The ratio of the dimensions of Planck's constant and that of the moment of inertia is the dimension of:
The nuclei of which one of the following pairs of nuclei are isotones?
Which one of the following characters is not typical of the class-Mammalia ?
In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues ?
From the following statements select the wrong one