List of practice Questions

The starting material used in Solvas process are
If the coefficient of mutual induction of the primary and secondary coils of an induction coil is $5\, H$ and a current of $10 A$ is cut-off in $5 \times 10^{-4} s$, the emf inducted (in volt) in the secondary coil is :
In ${TeCl4}$ the central atom tellurium involves
Four independent waves are represented by equations : (1) $X_{1}=a_{1} \sin \omega t$ (2) $X_{2}=a_{1} \sin 2 \omega t$ (3) $X_{3}=a_{1} \sin \omega_{1} t$ (4) $X_{4}=a_{1} \sin (\omega t+\delta)$ Interference is possible between waves represented by equations :
A galvanometer acting as a voltmeter will have
Carbylamine reaction is given by aliph
$A B C D$ is a rectangle. At corners $B, C$ and $D$ of the rectangle are placed charges $+10 \times 10^{-10} C , \quad-20 \times 10^{-12} C \quad$ and $10 \times 10^{-12} C$, respectively. Calculate the potential at the fourth corner. (The side $A B=4 cm$ and $B C=3 cm )$
${C_6H_5CHO ->[NH_3][H_2,Ni]?}$
The ninth term of the expansion $\left(3x-\frac {1}{2x}\right)^8$ is
The number of gram molecules of chlorine in $6.02 \times 10^{25}$ hydrogen chloride molecules is -
Archaeopteryx is connecting link between
Edaphology is
Benzene reacts with chlorine in sunlight to give a final product
A vector perpendicular to the plane containing the points $A (1, -1, 2), B (2, 0, -1), C (0,2,1)$ is
The lateral roots originate from
The largest RBC's have been seen in
The net gain of ATP during glycolysis is
Match the following: Column - I Column II (a) Leishmiania-donavani (p) Malaria (b) Wuchereria-bancrofti (q) Amoebiasis (c) Trypanosoma-gambiense (r) Kala azar (d) Entamoeba-histolytica (s) Sleeping sickness (t) Filariasis
The tumor inducing capacity of Agrobacterium - tumaefaciens is located in large extra chromosomal plasmids called
In which of the following organisms, self fertilization is seen ?
The characteristic of an essential element is that it
The postanal tail is present in
$Sin^2 \; 17.5^{\circ} + Sin^2 \; 72.5^{\circ}$ is equal to
The solution of $Tan^{-1}x+ 2cot^{-1}x=\frac {2\pi}{3}$ is
Which of the following oxidation states are the most characteristics for lead and tin respectively?