List of practice Questions

Process by which water enters in the roots due to diffusion, is termed as
Lampbrush chromosomes occur during
The given reaction, $ {2FeCl3 + SnCl2 -> 2FeCl2 + SnCl4}$ is an example of
The smallest plant family 'Gymnosperm' has how many species?
At the end of glycolysis, six carbon compound ultimately changes into
The interferons are
The nephridia in earthworm are analogous to
The correct order of $ N - O $ bond lengths in $NO, NO_2^-, NO_3^- $ and $ N_2O_4 $ is
The oxidation of toluene to benzaldehyde by chromyl chloride is called
If a convex lens of focal length 80 cm and a concave lens of focal length 50 cm are combined together, what will be their resulting power?
The metal which does not form coloured compounds is
The dimensions of impulse are equal to that of
Colchicine is employed to diploidize a haploid cell as it
A beam of electrons is moving with constant velocity in a region having electric and magnetic fields of strength $ 20 V m^{-1} $ and 0.5 T at right angles to the direction of motion of the electrons. What is the velocity of the electrons?
Which of the following dimensions will be the same as that of time?
The IUPAC name of is
The correct sequence for the manufacture of the compounds on the primitive earth is
Fermentation is anaerobic production of
The polygenic genes show
The basic character of hydrides of the 15 group elements decreases in the order
The ionic product of water at $25^{\circ} C$ is $10^{-14}$. Its ionic product at $90^{\circ} C$ will be
Pneumatic bone is found in
A point charge + q is placed at the centre of a cube of side $l$. The electric flux emerging from the cube is
Azotobacter and Bacillus polymyxa are the examples of
A linear harmonic oscillator of force constant $ 2 \times 10^6 $ N/m and amplitude 0.01 m has a total mechanical energy of 160 J. Show that its (a) maximum potential energy is 160 J (b) maximum kinetic energy is 100J