List of practice Questions

If white light is used in Young's double-slit experiment,
Which one of the following metallic hydroxides does not dissolve in sodium hydroxide solution ?
Molarity of liquid HCl if density of liq. HCl is 1.17 gm/cc
In $X - H ------Y ,X$ and $ Y$ both are electronegative elements, then
Which of the following two are isostructural ?
Which of the following two species in the pair are isostructural
Main axis of a diatomic molecule is z, molecular orbital px and py overlaps to form, which of the following orbital
The following quantum numbers are possible for how many orbital(s) $n = 3$ ,$l = 2$ and $m = +2$ are possible ?
Aqueous sodium hydroxide reacts with white phosphorus to form phosphine and
Which one of the following is an oxyacid ?
In the ground state, an element has 13 electrons in its ''M shell''. The element is
Mendel obtained wrinkled seeds in pea due to deposition of sugars instead of starch. It was due to which enzyme
When dominant and recessive allels express itself together it is called
A and B genes are linked. What shall be genotype of progeny in a cross between AB/ab and ab/ab
Probability of four son to a couple is : -
Two nonallelic genes produces the new phenotype when present together but fail to do so independently then it is called
No. of Bar Body in XXXX female
Sickle cell anaemia is due to
Extranuclear inheritance occurs in
m-RNA is synthesised on DNA template in which direction
In the circuit shown in figure, neglecting source resistance, the voltmeter and ammeter readings will respectively be
At what temperature will the r.m.s. velocity of $SO_2$ be the same as that of $O_2$ at 303 K ?
In the experiment of diffraction at a single slit, if the slit width is decreased, the width of the central maximum
Hydrogen ion concentration of an aqueous solutionis $1 \times 10^{-4} M$. The solution is diluted with equal volume of water. Hydroxyl ion concentration of the resultant solution in terms of mol $dm^{-3}$ is
Percentage of Se in peroxidase anhydrous enzyme is 0.5% by weight (at. wt = 78.4) then minimum molecular weight of peroxidase anhydrous enzymes is