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ISC Board Specimen 2013 : Biology Paper 1 (Theory) Botany and Zoology

9 pages, 89 questions, 36 questions with responses, 51 total responses,    0    0
ISC 12th
Indian School Certificate Examination (ISC), New Delhi
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BIOLOGY PAPER - 1 (THEORY) (Botany and Zoology) (Three hours) (Candidates are allowed additional 15 minutes for only reading the paper. They must OT start writing during this time.) ---------------------------------------------------------------------------------------------------------------Answer all questions in Part I and five questions in Part II, choosing three questions from Section A and two questions from Section B. All working including rough work, should be done on the same sheet as, and adjacent to, the rest of the answer. The intended marks for questions or parts of questions are given in brackets [ ]. ---------------------------------------------------------------------------------------------------------------- PART I (20 Marks) Answer all questions. Question 1 (a) Give one significant difference between each of the following: (i) Tendon and Ligament. (iii) Threatened and endangered species. (iv) Vasectomy and Tubectomy. (v) (b) Plasmolysis and Deplasmolysis. (ii) [5] Absorption spectrum and Action spectrum. Explain what would happen if: [5] (i) A green plant is exposed to green light only. (ii) The cerebellum is injured. (iii) Short day plants are exposed to red light followed by exposure to far-red light. (iv) There is over-secretion of growth hormone after adolescence. (v) A flower bud is emasculated and auxin is applied on the stigma. 1 ISC Specimen Question Paper 2013

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