List of practice Questions

Which of the following fern is an excellent biofertilizer?
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
Haemoglobin is a type of
What is the effective capacitance between points X and y?
When air is replaced by a dielectric medium of constant K, the maximum force of attraction between two charges separated by a distance
A p-n junction diode can be used as
A device which converts electrical energy into mechanical energy is
Cassiterite is an ore of
The alum used for purifying water is
The oxyacid of phosphorus in which phosphorushas the lowest oxidation state is
An elliptical cavity is carved within a perfect conductor. A positive charge q is placed at the centre of the cavity. The points A and B are on the cavity surface as shown in the figure.then
For the chemical reaction,$3 X ( g) + Y ( g) \rightleftharpoons \, X_3 \, Y $ ( g) the amount of $X_3 Y$ at equilibrium is affected by
Which of the following is regarded as a unit of nervous tissue?