The plant group that lives in an amphibious state between algae and pteridophytes is known as ......

$A$ real gas behaves like an ideal gas if its

In plants,what is the function of $CAM$?

The coefficient of thermal conductivity of copper is nine times that of steel. In the composite cylindrical bar shown in the figure,what will be the temperature at the junction of copper and steel in $^oC$?

The process of nitrogen fixation by $Rhizobium$ is stimulated by the presence of which of the following?

$A$ motor-car tyre has a pressure of $2\, atm$ at $27\,^{\circ}C$. It suddenly bursts. If $\gamma = \frac{C_p}{C_v} = 1.4$ for air,find the resulting temperature. (Given $4^{1/7} = 1.219$)