List of practice Questions

Three rods made of the same material and having the same cross-section have been joined as shown in the figure. Each rod is of the same length. The left and right ends are kept at 0$^{\circ}$C and 90$^{\circ}$C respectively. The temperature of junction of the three rods will be

Three positive charges of equal value q are placed at the vertices of an equilateral triangle. The resulting lines of force should be sketched as in

The transitional zone in between two biome is called as

The shape of cuprammonium ion is

The ratio of WBC to RBC in blood is

The ratio in a dihybrid test cross between two individuals is given by

The $pH$ value of decinormal solution of $NH_4OH$ which is $20\%$ ionised is

The $pH$ of aqueous solution of ammonium formate is $\left( p K_{a}\right.$ of $HCOOH =3.8$ and $pK _{b}$ of $\left.NH _{3}=4.8\right)$

The number of chambers in heart of cockroach is

The equivalent weight of aluminium in $ A{{l}_{2}}{{O}_{3}} $ will be:

The disease Beri-beri is caused due to deficiency of vitamin

The cranial capacity of modern man is nearest to

The composition of carnallite is

Skeleton made of spongin fibers are characteristic of

The incorrect statement regarding vitamins is:

Nitrobenzene on nitration produce :

Which of the noble gas has highest polarizability

Isotopes have :

$4.6 \,kJ$ heat is liberated on burning $0.5 \,g$ of sulphur. The enthalpy of formation of $ SO_{2} $ is: [molecular weight of $S = 32, O = 16]$

At $ 25 ^{\circ}C $ the pH value of a solution is $6$, the solution is:

Solutions with same osmotic pressures are called

The alcohol which is used as a beverage is

Shape of chromosome is determined by the position of

Salmonella is related with

Which one is not the larval stage of Fasciola ?