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ISC Class XI Prelims 2020 : Biology (Lakshmi School, Veerapanchan, Madurai)

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Girish
Pranavananda Vidyamandir, Durgapur

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BIOLOGY PAPER 1 (THEORY) (Maximum Marks: 70) (Time allowed: Three hours) (Candidates are allowed additional 15 minutes for only reading the paper. They must NOT start writing during this time) --------------------------------------------------------------------------------------------------------------------This paper comprises TWO PARTS Part I and Part II. Answer all questions.. Part I contains one question of 20 marks having four subparts. Part II consists of Sections A, B and C. Section A contains seven questions of two marks each Section B contains seven questions of three marks each, and Section C contains three questions of five marks each. Internal choices have been provided in two questions in Section A, two questions in Section B and in all three questions of Section C. --------------------------------------------------------------------------------------------------------------------PART I (20 Marks) Answer all questions. Question 1 (a) [8 1] (i) Name the basic unit of classification. (ii) Name the longest phase of mitosis. (iii) What is the RQ value of carbohydrates? (iv) Name a phylum showing radial symmetry. (v) Define tidal volume. (vi) Give an example of an insectivorous plant. (vii) What is the function of ribosomes? (viii) Why is Blood group O called universal donor? ----------------------------------------------------------------------------------------------------------------------1 SPECIMEN QUESTION PAPER CLASS XI - 2019

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