List of practice Questions

If distance between earth and sun become four times then time period becomes
Which of the following has the smallest number of molecules?
Which one of the following compounds has $ s{{p}^{2}} $- hybridisation?
Number of lone pair (s) in $ XeO{{F}_{4}} $ is/are
The decomposition of hydrogen peroxide can be slowed by the addition of acetamide. The latter acts as a
The starting material used in Solvas process are
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?
In the given diagram name the parts A, B, C and D.
Succus entericus is secreted by