Biology. 
by National council of education research and traning 
 - 1st ed.   rep. 
 - New Delhi:   National council of education research and traning,  2010. 
 - 342p.:  15cm. 
<br/><br/><label>Subjects--Index Terms: </label>Specific topics in natural history. Botany 
<br/><br/><label>Dewey Class. No.: </label>581.07