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ISC Class XII Board Specimen 2022 : Environmental Science [Semester 2]

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ISC 12th
Indian School Certificate Examination (ISC), New Delhi
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ISC SEMESTER 2 EXAMINATION SPECIMEN QUESTION PAPER ENVIRONMENTAL SCIENCE ----------------------------------------------------------------------------------------------Maximum Marks: 35 Time allowed: One and a half hour Candidates are allowed an additional 10 minutes for only reading the paper. They must NOT start writing during this time. ---------------------------------------------------------------------------------------------------------------- Answer all questions in Section A, Section B and Section C. The intended marks for questions or parts of questions are given in brackets.[ ] ---------------------------------------------------------------------------------------------------------------- SECTION A - 7 MARKS Question 1 (i) Expand N T. [1] (ii) A system of keeping record of stocks and stock changes of natural assets comprising biota and its ecosystems is called _____________ , [1] (iii) Name any two common food adulterants. [1] (iv) Give any two examples of ubiquitous resources. [1] (v) When was WTO established? [1] (a) 1990 (b) 1995 (c) 1993 (d) 1996 (vi) What are the two types of externalities? [1] (vii) Name any two sustainable practices of pest management for improving soil fertility. [1] 1

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