List of practice Questions

Which of the following sets includes all bacterial disease?

Which one of the following is not a surfactant?

Which one of the following is the correct statement?

Which one of the following pairs is correctly matched with regard to the codon and the amino acid coded by it?

Which of the following compounds is coloured?

Which of the following amines, can give N-nitrosoamine on treatment with $HNO_2$ ?

When white light passes through a prism, the deviation is maximum for

When phenol reacts with phthalic anhydride in presence of $H _{2} SO _{4}$ and heated and hot reaction mixture is poured in $NaOH$ solution, then product formed is

What is common between chloroplasts, chromoplasts and leucoplasts?

Water bloom is generally caused by

Two sound waves with wavelength $5.0 \,m$ and $5.5 \,m$ respectively, each propagate in a gas with velocity $330 \,m/s$. We expect the following number of beats per second

Two particles of equal charges after being accelerated through the same potential difference enter a uniform transverse magnetic field and describe circular path of radii $ {{R}_{1}} $ and $ {{R}_{2}} $ respectively. Then the ratio of their masses $ ({{M}_{1}}/{{M}_{2}}) $ is

Two heater wires, made of the same material and having the same length and the same radius, are first connected in series and then in parallel to a constant potential difference. If the rates of heat produced in the two cases are $H_s$ and $H_p$ respectively, then $H_s /H_p$ will be

To which type of barriers under innate immunity, do the saliva in the mouth and the tears from the eyes, belong?

Three point charges $+q,-2 q$ and $+q$ are placed at points $(x=0, y=a, z=0),(x=0, y=0, z=0)$ and $(x=a, y=0, z=0)$, respectively. The magnitude and direction of the electric dipole moment vector of this charge assembly are

Three charges $ {{Q}_{0}},-q $ and $ -q $ are placed at the vertices of an isosceles right angle triangle as in the figure. The net electrostatic potential energy is zero if $ {{Q}_{0}} $ is equal to

There is no division of cytoplasm after mitosis, then the condition will be

The voltage gain of an amplifier with 9% negative feedback is 10. The voltage gain without feedback will be

The term hot dilute soup was used by

The stem modified into leaf like structure is known as

The sequence of ionic mobility in aqueous solution is

The refractive index of glass is 1.520 for red light and 1.525 for blue light. Let $ \quad D_{1}$ and $ \quad D_{2}$ be angles of minimum deviation for red and blue light respectively in a prism of this glass, then,:

The probability that number selected at random from the number $1, 2, 3, 4, 5, 6, 7, 8, ..., 100$ is a prime, is

The potential energy of a 1 kg particle free to move along the x-axis is given by $V \left(x\right)=\left(\frac{x^{4}}{4}-\frac{x^{2}}{2}\right) J\cdot$ The total mechanical energy of the particle is 2 J. Then , the maximum speed (in m/s) is :

The plates of a parallel plate capacitor are not. exactly parallel. The surface charge density