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Class 12 ISC Board Specimen 2017 : Biology

5 pages, 50 questions, 0 questions with responses, 0 total responses,

Harshitha
St. Ann's High School ICSE / ISC, Secunderabad
7th to 12th science stream

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BIOLOGY PAPER 1 (THEORY) (Botany and Zoology) (Three hours) Maximum Marks: 70 (Candidates are allowed additional 15 minutes for only reading the paper. They must NOT start writing during this time.) ------------------------------------------------------------------------------------------------------------------------Answer all questions in Part I and six questions in Part II, choosing two questions from each of the three sections A, B and C. 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 a brief answer for each of the following: (i) What are vestigial organs? (ii) Define root pressure. [4] (iii) What is incomplete dominance? (iv) What is genetic conservation? (b) Each of the following question(s)/ statement(s) has four suggested answers. Choose the correct option in each case. [4] 1. Monadelphous stamens are those which: (i) united into more than two bundles (ii) united into two bundles (iii) unite into one bundle (iv) remain free ------------------------------------------------------------------------------------------------------------------------- Copyright reserved. 1 ISC SPECIMEN QUESTION PAPER - 2017

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