List of practice Questions

The accuracy in the measurement of the diameter of hydrogen atom as $1.06 \times 10^{-10}$ m is
The acid used for etching the glass is
The acidic character of oxides of group 15, $N_2O_3, P_2O_3, As_2O_3, Sb_2O_3$ (in this order)
The acceleration due to gravity at the poles and the equator is $g_p$ and $g_e$ respectively. If the earth is a sphere of radius $R_E$ and rotating about its axis with angular speed 0), then $g_p - g_e$ is given by
The accompanying diagram shows the uterine tubes of four women ($P, Q, R$ and $S$).
In which two women is fertilisation impossible at present?
The $A.M., H.M. $ and $G.M.$ between two numbers are $\frac {144} {15}$ 15 and 12,. but not necessarily in this order. Then $H.M., G.M. $ and $A.M.$ respectively are
The abbreviation $AIDS$ stands for
The absence of centrioles from higher plant cells means that during somatic cell nuclear division there is :
The absolute zero is the temperature at which -
The 10th common term between the series $3 + 7 + 11 + ......$ and $ 1 + 6 + 11 + ......$ is
The 10th term of the sequence $\sqrt3,\sqrt{12}, \sqrt{27}......... $ is
The $6563 \,?$ $H_\alpha$ line emitted by hydrogen in a star is found to be red-shifted by $15\,?$. The speed with which the star is receding from the earth is
The $7^{th}$ term in the expansion of $\left(x^{2}+\frac{1}{x^{2}}+2\right)^{n} $ is
Tetradynamous stamens are found in
Tetrafluoroethene is the monomer of
Thalamus is flask-shaped perigynous in
Thallium shows different oxidation states because
Terrestrial plants obtain all of the following nutrients from the soil except
Tertiary alkyl halide cannot be used in the Williamsons synthesis of ether because
Terylene is a polymer of
Tetraaminecopper (II) ion is a square planar complex with one unpaired electron. According to valence bond theory the hybrid state of copper should be
Term ecology was given by :
Term 'ecosystem' was coined by
Term used for the closed ascocarp is
Temperature is considered as the most ecologically relevant environmental factor because it affects _____ of organisms