List of practice Questions

Which one of the following amino acid was not found to be synthesized in Miller's experiment?
In which one of the following sets of animals do all the four give birth to young ones?
A rectangular block of mass $m$ and area of cross section . A floats in a liquid of density $\rho$. If it is given a small vertical displacement from equilibrium it undergoes oscillation with a time period $T$, then :
The world biodiversity day is celebrated annually on
Anilinium chloride is more acidic than ammonium chloride. Anilinium chloride is resonance stabilised.
An organic compound which produces a bluish green coloured flame on heating in presence of copper is
Among the alkali metals cesium is the most reactive because
A battery of emf $10\, V$ and internal resistance $ 3\,\Omega $ is connected to a resistor. The current in the circuit is $0.5\, A$. The terminal voltage of the battery when the circuit is closed is
The equation of a simple harmonic wave is given by $y = 5= \,\sin \frac {\pi} {2} (100 \,t-x)$ where $x$ and $y$ are in metre and time is in second. The period of the wave in second will be
Which of the following plant part respires even in the absence of oxygen

The reaction \(${C_2H_5ONa + C_2H_5I -> C_2H_5OC_2H_5 + NaI}$\) is known

Dimension of relative density is:
The ion which exhibits green colour ?
There is no change in the volume of a wire due to change in its length on stretching. The Poisson's ratio of the material of the wire is
The slope of the kinetic energy versus position vector gives the rate of change of
An engineer claims to have made an engine delivering 10 kW power with fuel consumption of $1\,gs^{-1}$. The calorific value of fuel is 2 $kcalg^{-1}$. This claim is
ln an AC circuit, the current lags behind the voltage by $\pi$/3. The components of the circuit are
The paramagnetic nature of oxygen molecular is best explained on the basis of
To have large selectivity in a series LCR circuit
The following figure shows a logic gate circuit with two inputs A and B and the output C. The voltage waveform of A, B and C are as shown below:
logic gate circuit with two inputs A and B and the output C

The logic circuit gate is:

The vectors \(\vec A\) and \(\vec B\) are such that: \(|\vec A+\vec B| = |\vec A-\vec B|\). The angle between the two vectors is:

Power dissipated across the 8 Ω resistor in the circuit shown here is 2 W. The power dissipated in watt units across the 3 Ω resistor is:
Power dissipated across the 8 Ω resistor in the circuit
In producing chlorine through electrolysis 100 W power at 125 V is being consumed. How much chlorine per min is liberated? ECE of chlorine is 0.367 x 10-6 kg/C:
In the circuit shown, if a conducting wire is connected between points A and B, the current in this wire will:
circuit shown, if a conducting wire is connected between points A and B, the current in this wire will
The potential energy of a long spring when stretched by 2 cm is U. If the spring is stretched by 8 cm the potential energy stored in it is: