List of practice Questions

When same quantity of electricity is passed for the amount of $Cu$ and $Cr$ deposited are respectively $0.375\, g$ and $0.30\, g$. Ratio of electrochemical equivalents of $Cu$ and $Cr$ is

Boiling point of ethyl alcohol is greater than ether due to

The diagonal partner of element $B$ is

Biradial symmetry is found in

Micropropagation is a technique

Root cells of wheat has 2n = 42 chromosomes. Which one of the following is the basic chromosome number of Wheat ?

Quiescent centre is found in plants at :

In a DNA molecule distance between two bases is

When the cell is fully turgid, its

Bile salts act as activator of which enzyme ?

First genetically modified plant commercially released in India is

Bell-shaped polygonal pyramid indicates

Gynandrous condition means

In cyathium inflorescence

In Nepenthes (pitcher plant), the pitcher is formed due to modification of

Succulent stem is found in

Petiolar leaf tendril is found in

Asexual reproduction in ascomycetous fungi takes place by

Average velocity of an ideal gas molecule is

If a species has $16$ protons, $18$ electrons and $16$ neutrons, find the species and its charge

In Sommerfeld?s modification of Bohr?s theory, the trajectory of an electron in a hydrogen atom is

Application of a forward bias to a p-n junction

Apoplastic movement of water in plants occurs through

Which of the following represents the arrangement in increasing order of bond order and bond dissociation energy?

A radioactive isotope has a half-life of $T \,yr$. How long will it take the activity to reduce to $1\%$ of its original value?