List of practice Questions

Which of the following is Vaska?s compound ?
Which of the following statements are incorrect ? (i) Average velocity is path length divided by time interval. (ii) In general, speed is greater than the magnitude of the velocity. (iii) A particle moving in a given direction with a non-zero velocity can have zero speed. (iv) The magnitude of average velocity is the average speed.
Which of the processes is used in thermite welding ?
Which one of the following is a bacterial biofertilizer?
Which one of the following is not a flightless bird?
Who discovered the first noble gas compound ?
Which of the following exhibits square pyramidal geometry ?
Which of the following configuration can undergo distortion ?
Which is a $32$-amino acid water soluble peptide hormone?
When subjected to acid catalysed hydration, the order of reactivity of the alkenes; $\left( CH _{3}\right)_{2} C = CH _{2}( I ), CH _{3} CH = CH _{2}(II)$ and $CH _{2}= CH _{2}(III)$ is
What is the magnetic moment of $ Fe^{3+} $ ion in $ [Fe(CN)_6]^{3-} $ ?
Vegetative propagation by leaves is seen in
The value(s ) of $ \int^1_0 \frac { x^4 ( 1 - x )^4 }{ ( 1 + x^2 ) } \, dx $ is are
The reactant ? $ A $ ? in the following reaction is
The process of conversion of excess glucose into glycogen is called
The potential energy of $ 4 $ -particles each of mass $ 1\,kg $ placed at the four vertices of a square of side length $ 1\,m $ is
The optic lobes in humans are represented by the corpora
The monohybrid test cross ratio is
The maximum velocity to which a proton can be accelerated in a cyclotron of $ 10\, MHz $ frequency and radius $ 50\, cm $ is
The linear momentum of an electron, initially at rest, accelerated through a potential difference of $ 100 \,V $ is
The interior angles of a polygon are in arithmetic progression. The smallest angle is $ 120 $ and the common difference is $ 5 $ . The number of sides of the polygon is
The double helix model of DNA was proposed by
The dimensional formula for the magnetic field is
The density of copper is $ 9 \times 10^3\, kg/m^3 $ and its atomic mass is $ 63.5\, u $ . Each copper atom provides one free electron. Estimate the number of free electrons per cubic metre in copper,
The crucial function of moderators in nuclear reactors is to