List of practice Questions

Uridine present only in RNA is
Two spherical conductors $A$ and $B$ of radii $a$ and $b(b>a)$ are placed concentrically in air. The two arc connected by a copper wire as shown in figure. The equivalent capacitance of the system is
Three thin metal rods, each of mass $M$ and length $L$, are welded to form an equilateral triangle. The moment of inertia of the composite structure about an axis passing through the centre of mass of the structure and perpendicular to its plane is
There is loss in weight when mixture of $ L{{i}_{2}}C{{O}_{3}} $ and $ N{{a}_{2}}C{{O}_{3}}.10{{H}_{2}}O $ is heated strongly. This loss is due to
There are two identical small holes on the opposite sides of a tank containing a liquid. The tank is open at the top. The difference in height between the two holes is $h$. As the liquid comes out of the two holes, the tank will experience a net horizontal force proportional to
The site of $rRNA$ synthesis is
The potential difference across the $3 \,\Omega$ resistor shown in figure is
The pigment haemocyanin is found in phylum
The main function of clitellum is
The magnetic flux linked with the coil varies with time as $\phi = 3t^2+4t+9$.The magnitude of the induced emf of $2s$ is
The largest tiger reserve in India is
The group 13 element that is liquid during summer and used for measuring high temperature is
The force $F$ is given by expression $F=A \cos (B x)+C \sin (D t)$, where $x$ is the displacement and $t$ is the time. Then dimension of $\frac{D}{B}$ are same as that of
The energy gap of silicon is $1 .1 4 \,eV$. The maximum wavelength at which silicon starts energy absorption, will be $(h = 6.62 \times 10^{-34}\, J\, s$; $c = 3 \times 10^8\, ms^{ -1})$
The distance between the two successive nodes is
The current passing through an inductor coil of 5H is decreasing at the rate of 2A/s, the emf developed across the coil is
The current and voltage in AC circuit are given by $ I=5\sin \left( 100t-\frac{\pi }{2} \right)A $ and $ V=200\sin (100t) $ volt. The power dissipated in the circuit will be
The age of pyramid with broad base indicates
The ability of d-block elements to form complexes is due to
Strength of $H_2O_2$ is $15.18\, g\, L^{-1}$, then it is equal to
Stinging capsules (nematocysts) are found in
Starch is a mixture of two components, a water soluble component amylose $(15-20\%)$ and a water insoluble component amylopectin $(80-85 \%)$. The aqueous solution of amylose gives a blue colour with iodine solution due to the formation of
Starting from the maximum, arrange the following male reproductive accessory organs in the correct order, based on the amount of secretion poured into urethra. (i) $\quad$Prostrate gland (ii) $\quad$Seminal vesicle (iii)$\quad$ Bulbourethral gland
$SER$ and $RER$ can be distinguished with its presence in
Select the correct sequence of steps in DNA fingerprinting involving southern blot hybridization using radiolabelled VNTR as a probe. I. $\quad$Hybridization using labelled VNTR probe. II. $\quad$Isolation of DNA. III. $\quad$Transferring (blotting) of separated DNA fragments to synthetic $\quad$$\quad$membranes, such as nitrocellulose or nylon. IV.$\quad$ Detection of hybridized DNA fragments by autoradiography. V. $\quad$Separation of DNA fragments by electrophoresis. VI. $\quad$Digestion of DNA by restriction endonucleases.