List of practice Questions

Colours appear on a thin soap film and on soap bubbles due to the phenomenon of
Natural rubber is a polymer of
Purification of aluminium by electrolytic refining is called
The Minamata disease in Japan was caused through the pollution of water by
A gene pair hides the effect of another gene. The phenomenon is called
After ovulation Graafian follicle regresses into
DNA is mainly found in
Which of the following fern is an excellent biofertilizer?
Depletion layer consists of
The antherozoids of Funaria are
Bryophytes comprise
Casparian strips are found in
Net gain of ATP molecules per hexose during aerobic respiration is
Type of placentation in which ovary is syncarpous unilocular and ovules are on sutures is called
Dichotomous branching is found in
Life span of a worker bee is
The respiratory centres, which control inspiration and expiration, are located in
The new varieties of plants are produced by
Terylene is a condensation polymer of ethylene glycol and
The photoelectric work function for a metal surface is 4.125 eV. The cut-off wavelength for this surface is
Who modified Bohr's theory by introducing elliptical orbits for electron path?
The specific conductance of a $N / 10 \,KCl$ at $25^{\circ} C$ is $0.0112\, ohm ^{-1} cm ^{-1} .$ The resistance of cell containing solution at the same temperature was found to be $55\, ohm$. The cell constant will be
What is the effective capacitance between points X and y?
Haemoglobin is a type of
When air is replaced by a dielectric medium of constant K, the maximum force of attraction between two charges separated by a distance