How will you reduce friction between those machine parts which rub against each other ? Give the simplest method.
The graph formed by plotting species richness against area for a wide variety of taxa (angiosperm plants, birds , bats , fresh water fishes , etc) turns out to be a
When analyzed, most complicated machines are found to consist of a combination of various simple machines. Which machine below is NOT a simple machine?
An ideal gas occupying volume of 2 dm^(3) and a pressure of 5 bar undergoes isothermal and irreversible expansion against external pressure of 1 bat. The final volume of the system and the work involved in the process is
In a cricket against Zimbabwa, Azhar wants to bat before jabeja and wants to bat before Ganguli. Number of possible batting orders with the above restrictions, if the remaining eight team members are prepared to bat any given place, is
Give short answers : How does the immune system work against the microbes?
