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CHOUKSEY COLLEGE OF SCIENCE AND COMMERCE BILASPUR, (SESSION -2021-22), B.SC 2 YEAR, BOTANY, INTERNAL EXAMINATION, SUB : ECOLOGY AND PLANT PHYSIOLOGY(PAPER I!), , , , INSTRUCTION :, , 1. PLEASE CHECK WHETHER YOU HAVE THE RIGHT QUESTION PAPER, 2. ATTEMPT ANY ONE QUESTION SUBJECT TO INTERNAL CHOICE ., , 3. EACH QUESTION CARRY 5 MARKS ., , , , DESCRIBE THE QUANTITATIVE CHARACTERISTICS OF PLANT, COMMUNITY, , ‘aaa ayara ht ararere, fastwarsit apr auf ae |, OR, WRITE SHORT NOTES ON/ sie feuaferai: {ANY TWO/ atg at}, , a) FOOD CHAIN, b) FOOD WEB, c) ECOSYSTEM