State Institute of Education <br/><br/>
Biology std 9th question bank / 
by State Institute of Education 
 - Trivandrum :  State Institute of Education,  1975. 
 - 62p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>370  / STA.B