List of practice Questions

The figures given below show the types of coelom. Identify them and select the correct group of organisms which possess them.
The fire extinguisher 'pyrene' contains
The figure below shows the plot of $\frac{pV}{nT}$ versus p for oxygen gas at two different temperatures. Read the following statements concerning the above curves (i) The dotted line corresponds to the 'ideal' gas behaviou (ii) $T_1 > T_2$ (iii) The value of $\frac{pV}{nT}$ at the point where the curves meet on the y-axis is the same for all gases. Which of the above statements is true?
The equivalent capacitance between the points A and B in the following circuit is:
The equation of the line in vector and cartesian form that passes through the point with position vector $2\hat{i}-\hat{j}+4\hat{k}$ and is in the direction $\hat{i}-2\hat{j}+\hat{k}$ are
The equation $2\, cos^{-1} x+ sin^{-1} x = \frac{11\pi}{6}$ has
The energy in monochromatic $X$ -rays of wavelength $1\, ?? is roughly equal to
The emitter of a transistor is doped the heaviest because it :
The emissive power of a perfectly black body is equal to
The emissive power of a surface depends upon
The element with the outer electronic configuration $3d^64s^2$ is a :
The electroplating with chromium is undertaken because
The electronic configuration of a dipositive ion $M^{2+}$ is 2, 8, 14 and its mass number is 56. The number of neutrons present is
The electronic configuration $1s^2,2s^2, 2p^6, 3s^1$ and $3p^1$ is correctly describe by
The electron affinity of Noble gases is
The displacements of two particles of same mass executing SHM are represented by the equations $ {{x}_{1}}=4\sin \left( 10t+\frac{\pi }{6} \right) $ and $ {{x}_{2}}=5\cos (\omega t) $ The value of co for which the energies of both the particles remain same is
The correct order of acidity for the following compounds is
The coefficient of $x^2$ in the expansion of the product $(2-x^2)??(1+2x+3x^2)^6 + (1-4x^2)^6)$ is :
Compare the statements A and B.
Compare the statements A and B.
The calorific value of fat is
The branch of taxonomy which is based on the determination of genetic relationship is
The basicity of $H_3PO_4$ is
The aqueous solution of which of the following has maximum pH ?
The angle of intersection to the curve $y = x^2, 6y = 7 - x^3$ at (1, 1) is :