List of practice Questions

All enzymes of $TCA$ cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is

Compared to a bull a bullock is docile because of

First step in urine formation is

Transfer of genetic information through virus is

Entry of pollen tube into ovule through its micropyle is

The two cerebral hemispheres are connected with the help of

Conversion of 1 , 3-diphosphoglyceric acid to 3-phosphoglyceric acid is

Which is the odd one ?

The hydrolysis of sodium carbonate involves the reaction between

The only mechanical quantity which has negative dimension of mass is

Carbolic acid is

The correct order of $C-O $ bond length among $CO,CO_3^{2-}$, $CO_2$ is

The correct order of increasing thermal stability of $K_2CO_3, MgCO_3, CaCO_3 $ and $ BeCO_3$ is

The Langmuir adsorption isotherm is deduced by using the assumption :

The position $x$ of a particle with respect to time t along $x$ -axis is given by $x = 9t^2-t^3$ where $x$ is in metres and $t$ in seconds. What will be the position of this particle when it achieves maximum speed along the $+x$ direction?

Escape velocity from Earth is about 11 km/s. The escape velocity from a planet, 4 times the size of the Earth with same mean density is

Sulphide ores of metals are usually concentrated by froth floatation process. Which one of the following sulphide ores offers an exception and is concentrated by chemical leaching?

Write dimensional formula for the intensity of radiation

A stationary particle explodes into two particles of masses $m_1$ and $m_2$ which move in opposite directions with velocities $v_1$ and $v_2$. The ratio of their kinetic energies $E_1 /E_2$ is

5 g of $CaCO_3$ completely reacts with

For a critical study of secondary growth in plants, which one of the following pairs is suitable?

In gymnosperms, the pollen chamber represents

$RNA$ and $DNA$ are chiral molecules, their chirality is due to

Increased asthmatics attacks in certain seasons are related to

For the following: (a) $I^-$ (b) $Cl^-$ (c) $Br^-$ The increasing order of nucleophilicity would be: