List of practice Questions

Volume occupied by one molecule of water $(density\, = 1 g\, cm^{-3} )$ is
A player caught a cricket ball of mass 150 g moving at a rate of 20 m/s. If the catching process is completed in 0.1s, the force of the blow exerted by the ball on the hand of the player is equal to :
The energy required to charge a parallel plate condenser of plate separation d and plate area of cross-section A such that the uniform electric field between the plates is E, is
$80\,g$ of oxygen contains as many atoms as in
$10 \,cm^3$ of $0.1\, N$ monobasic acid requires $15 \,cm^3$ of sodium hydroxide solution whose normality is
Which of the following species does not exert a resonance effect ?
Malleability and ductility of metals can be accounted due to
Which is the most easily liquifiable rare gas ?
Which of the following can be measured by the Ostwald-Walker dynamic method ?
The value of alternating emf $E$ in the given circuit will be
When compared to $\Delta G^\circ$ for the formation of $Al_2O_3$, the $\Delta G^\circ$ for the formation of $Cr_2O_3$ is
Mass of $0.1\, mole$ of methane is
The angle strain in cyclobutane is
On bombarding $U^{235}$ by slow neutron, $200\, MeV$ energy is released. If the power output of atomic reactor is $1.6\, MW$, then the rate of fission will be
The equation of a simple harmonic wave is given by $y = 6\, Sin\, 2\pi(2t - 0.1x)$, where $x$ and $y$ are in $mm$ and $t$ is in seconds. The phase difference between two particles $2\, mm$ apart at any instant is
A particle located at x = 0 at time t - 0, starts moving along the positive x-direction with a velocity 'V' that varies as $v=\alpha\sqrt{x.}$ The displacement of the particle varies with time as:
Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin ?
Trichoderma harzianum has proved to be a useful microorganism for
Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the abiogenic origin of life?
Which among the following factors is the most important in making fluorine the strongest oxidising agent?
Which one of the following ions has the highest value of ionic radius ?
Which of the following genes shows the heterozygous condition ?
Which one of the following is not a characteristic of phylum Annelida?
Ascaris is characterized by
A bomb of mass 16 kg at rest explodes into two pieces of masses 4 kg and 12 kg. The velocity of the 12 kg mass is 4 $ms^{-1}.$The kinetic energy of the other mass is: