List of practice Questions

Extranuclear inheritance occurs in
m-RNA is synthesised on DNA template in which direction
In the circuit shown in figure, neglecting source resistance, the voltmeter and ammeter readings will respectively be
At what temperature will the r.m.s. velocity of $SO_2$ be the same as that of $O_2$ at 303 K ?
In the experiment of diffraction at a single slit, if the slit width is decreased, the width of the central maximum
Hydrogen ion concentration of an aqueous solutionis $1 \times 10^{-4} M$. The solution is diluted with equal volume of water. Hydroxyl ion concentration of the resultant solution in terms of mol $dm^{-3}$ is
Percentage of Se in peroxidase anhydrous enzyme is 0.5% by weight (at. wt = 78.4) then minimum molecular weight of peroxidase anhydrous enzymes is
In the relation, $p = \frac{\alpha}{\beta} e^{-\frac{\alpha Z}{k\theta}}$ $p$ is pressure, $Z$ is distance, $k$ is Boltzmann constant and $\theta$ is the temperature. The dimensional formula of $\beta$ will be
Which one of the following is an incorrect statement ?
Which statement is correct for muscle contraction 
The oxidation number of cobalt in $K[Co(CN)_4]$ is
Difference in gram ⊕ and gram bacteria is due to
In plants inulin and pectin are
Element necessary for the middle lamella
What is true for monoclonal antibodies
Which fish selectively feed on larva of mosquito
Which one of the following is correct match
Similarities in organism with different genotype indicates
Which of the following is correct order of the evolutionary history of man
Which statement is correct about centre of origin of plant
Forthcoming generation are less adaptive than the parental generation due to
What is true for archaebacteria
Two springs A and B having spring constant K$_A$ and K$_B$ (K$_A$ = 2K$_B$) are stretched by applying force of equal magnitude. If energy stored in spring A is E$_A$ then energy stored in B will be
ABCD is a square loop made of an uniform conducting wire. The current enters the loop at A and leaves at D. The magnetic field is
A projectile is moving at $20\,m\,s^{-1}$ at its highest point, where it breaks into two equal parts due to an internal explosion. One part moves vertically up at $30\,m\,s^{-1}$ with respect to the ground. Then the other part will move at