NCERT Class 12 Biology Question bank and Answers
103 Individuals of one kind, i.e., one species occupying a particular geographic area, at a given time form a/an
104 The last stable community in succession that is in equilibrium with the environment, is called
Answer: climax community
107 Methanogens, growing anaerobically on cellulosic material, produce
Answer: methane, carbon dioxide, hydrogen.
109 The vitamin whose content increases following the conversion of milk into curd by lactic acid bacteria is
Answer: vitamin B12