List of practice Questions

Total number of bones in each limb of a man is

In the developmental history of mammalian heart, it is observed that it passes through a two chambered fish like heart, three chambered frog like heart and finally four chambered stage To which hypothesis can this above cited statement be approximated ?

A female horse (2n = 66) can be crossed with a jackass (2n = 66), resulting in tire birth of a hybrid known as a mule, usually sterile because of chromosomal incompatibility. How many chromosomes would one expect to find in the body cells f a mule?

A particle, with restoring force proportional to displacement and resisting force proportional to velocity is subjected to a force F sin $\omega t$. If the amplitude of the particle is maximum for $\omega = \omega_1$ and the energy of the particle maximum for $ \omega = \omega_2$, then

A beaker of radius 6 cm is filled with mercury up to a height to 12 cm. Given that the density of mercury is $ 13600\text{ }kg/{{m}^{3}}, $ the force exerted by the mercury on the bottom of the beaker is approximately.

Hydrogen bonding is not present

The exchange of gases in the alveoli of the lungs takes place by

Lines of force, due to earth?? horizontal magnetic field, are

Let $f(x) = x - [x] $, for every real number x, where [x] is the integral part of x Then, $ \int^1_{-1} \, f ( x ) \, dx$ is

The richest source of vitamin A are:

The value of $\displaystyle \sum_{k=1}^6 \bigg(\sin\frac{2\pi k}{7}-i \cos \frac{2\pi k}{7}\bigg)$ is

�Mirage� is a phenomenone due to

The contraction of gall bladder is due to

Highly pure dilute solution of sodium in liquid ammonia

In Youngs double slit experiment, the central fringe of interference pattern produced by light of wavelength $ 6000\,\overset{\text{o}}{\mathop{\text{A}}}\, $ shifts to the position of the 5th bright fringe on introducing a thin glass plate of refractive index of 1.50 in front of one of the slits. The thickness of the plate would be:

Kirchhoff's voltage law is based on the law of conservation of

What is the current (I) in the circuit, as shown in figure

Which of the following salt has the same value of vant?s Hoff factor as that of $K _{3}\left[ Fe ( CN )_{6}\right]$ ?

The freezing point of a solution prepared from 1.25 g of non-electrolyte and 20 g of water is 271.9K. If molar depression constant is 1 86 $K m^{-1}$ then molar mass of the solute will be

The solubility of $BaSO_4$ in water is $2.33 \times 10^{-3}$ gram/litre. Its solubility product will be (molecular weight of $BaSO_4 = 233$)

Which of the following has highest boiling point?

One-third of spring having force constant k is cut and mass m is suspended to it. If the frequency of oscillation of the original spring with the same mass is/then the frequency of oscillation in one-third of spring is

A particle of mass m is executing oscillation about the origin on the x-axis. Its potential energy is $ U (x) = k [ x ]^ 3,$ where k is a positive constant. If the amplitude of oscillation is a, then its time period T is

If a simple pendulum oscillates with an amplitude of $50\, mm$ and time period of $2\, sec$, then its maximum velocity, is