List of practice Questions

Which of the following sequences is truly a systemic circulation pathway?
Two similar circular loops carry equal currents in the same direction. On moving the coils further apart, the electric current will
The potential difference between $A$ and $B$ in the following figure is
The chemical name of anisole is
In the diagram of the lateral view of the human brain, parts are indicated by alphabets. Choose the answer in which these alphabets have been correctly matched with the parts which they indicate
Blue colour of sea water is due to
A string vibrates with a frequency of $200 \,Hz$. When its length is doubled and tension is altered, it begins to vibrate with a frequency of $300\, Hz$. The ratio of the new tension to the original tension is
Transformation of the early reducing atmosphere of the earth into an oxidizing atmosphere was mainly due to the activities of
The problem of necrosis and gradual senescence while performing tissue culture can be overcome by
Notochord, skeletal system and dermis of the skin are the derivatives of
A current of $5\,A$ is flowing at $220 \,V$ in the primary coil of a transformer. If the voltage produced in the secondary coil is $2200\, V$ and $50\%$ of power is lost, then the current in the secondary will be
A thin rod of length L and mass M is bent at its midpoint into two halves so that the angle between them is $90^\circ$. The moment of inertia of the bent rod about an axis passing through the bending point and perpendicular to the plane defined by the two halves of the rod is
A roller coaster is designed such that riders experience ''weightlessness'' as they go round the top of a hill whose radius of curvature is 20 m. The speed of the car at the top of the hill is between
A shell of mass 200 gm is ejected from a gun of mass 4 kg by an explosion that generates 1.05 kJ of energy. The initial velocity of the shell is
If g (x) is a polynomial satisfying g (x) g(y) = g(x) + g(y) + g(xy) - 2 for all real x and y and g (2) = 5 then $\underset{\text{x $\rightarrow$ 3}}{{Lt }}$ g(x)is
An aqueous solution of 6.3 g of oxalic acid dihydrate is made upto 250 mL. The volume of $ \text{0}\text{.1}\,\text{N}\,\text{NaOH} $ required to completely neutralize 10 mL of this solution is
If $ X $ is the total number of collisions which a gasmolecule register with others per unit time under particular conditions, then the collision frequency of the gas containing N molecules per unit volume is
The wavelength of the radiation emitted, when in a hydrogen atom electron falls from infinity to stationary state one, would be (Rydberg constant $ =1.097\times {{10}^{7}}\,{{m}^{-1}} $ )
A single word equivalent for the statement ‘Speak falsely with deliberate intent’ is
In ${TeCl4}$ the central atom tellurium involves
A mass of $2.0\, kg$ is put on a flat pan attached to a vertical spring fixed on the ground as shown in the figure. The mass of the spring and the pan is negligible. When pressed slightly and released the mass executes a simple harmonic motion . The spring constant is $200\, N/m$ . What should be the minimum amplitude of the motion so that the mass gets detached from the pan (take $g = 10 \,m /s^2 $).
Compared to a bull a bullock is docile because of
The finches of Galapagos Islands provide an evidence in favour of
The total power dissipated in watt in the circuit shown here is
A hollow cylinder has a charge $q$ coulomb within it. If $\phi$ is the electric flux in units of voltmeter associated with the curved surface $B$, the flux linked with the plane surface $A$ in units of voltmeter will be-