List of practice Questions

Racemic mixture is formed by mixing two :

Pseudocoelom is the characteristic of

Pulp cavity of teeth is lined by

Prokaryotic genetic system has

Plant grow in dry & saline soil is called

$pH$ of $0.005 M$ calcium acetate $\left( p K_{a}\right.$ of $CH _{3} COOH =4.74$ ) is :

Peacock eats a snake & snake eats frog & frog eats insect while insect eats green plant then position of peacock is

Oxidation number of $Cl$ in $CaOCl _{2}$ (bleaching powder) is :

One mole of a non-ideal gas undergoes a change of state (2.0 atm, 3.0 L. 95 K ) $\rightarrow$ (4.0 atm. 5 0 L, 245 K) with a change in internal energy, $\Delta$E = 30.0L-atm. The change in enthalpy ($\Delta$ H) of the process in L-atm is

Number of lone pairs of electrons on Xe atoms in $XeF_2, XeF_4$ and $XeF_6$ molecules are respectively

Mouth part of mosquito is

Most common oxidation states shown by cerium are

Melanin protects from

Lucas test is used for the determination of

Largest smooth muscle present in

Kepler's second law is based on

In which era life is absent

In the reaction : $ {C6H5CHO + C6H5 NH2 ? C6H5N = HCC6H5 + H2 O,}$ the compound $ {C6H5N = HCC6H5}$ is known as

In an organic compound of molar mass $108 g$ $mol ^{-1} C , H$ and $N$ atoms are present in 9: 1: 3.5 by weight. Molecular formula can be :

If the vectors $\vec{ a }=x \hat{ i }+y \hat{ j }+z \hat{ k }$ and such that $\vec{ a }, \vec{ c }$ and $\vec{ b }$ form a right handed system, then $\vec{ c }$ is :

Identify the pair whose dimensions are equal:

Golgi body originated from

Golden view of sea shell is due to

Genetic recombination is due to

Frameshift mutation occurs when