List of practice Questions

In five kingdom system of classification of RH Whittaker, how many kingdoms contain eukaryotes?

If the energy, $E = G^p \,h^q \,c^r$, where $G$ is the universal gravitational constant, $h$ is the Planck?? constant and $c$ is the velocity of light, then the values of $p$, $q$ and $r$ are, respectively

If $\alpha$ and $\beta$ are the roots of the equation $x^{2} - x + 1 = 0$, then $\alpha^{2009} + \beta^{2009} =$

Identify the correct chronological sequence periods of Mesozoic era.

Hyaline cartilage does not have

How many ions are produced from $ [Co{{(N{{H}_{3}})}_{6}}]C{{l}_{3}} $ in solution?

How many bonds are there in

Homologous structures are a result of

Homologous organs have

Highest electron affinity is shown by

Highest oxidation state of $Mn$ is present in

Haversian canal is present in

Gravitational acceleration on the surface of a planet is $\frac{ \sqrt{6}}{11}$ where g is the gravitational acceleration on the surface of the earth. The average mass density of the planet is 1/3 times that of the earth. If the escape speed on the surface of the earth is taken to be 11 kms$^{-1}$, the escape speed on the surface of the planet in kms$^{1}$ will be.

Function of $ABA$ is

Function of $ADH$ is

Four holes of radius $R$ are cut from a thin square plate of side $4R$ and mass $M$. The moment of inertia of the remaining portion about z-axis is

For two data sets, each of size $5$, the variances are given to be $4$ and $5$ and the corresponding means are given to be $2$ and $4$, respectively. The variance of the combined data set is

For a particular reversible reaction at temperature $T, \,\Delta H$ and $\Delta S$ were found to be both $+ve$. If $T_{e}$ is the temperature at equilibrium, the reaction would be spontaneous when

For a particle in uniform circular motion the acceleration $\vec{a}$ at a point $P\left(R,\,\theta\right)$ on the circle of radius $R$ is (here $\theta$ is measured from the x-axis)

Five kingdom classification was given by

Example of corm is

Elephantiasis is caused by

Electrophilic addition reaction is easily given by

EDTA has coordination number

Elaters are absent in