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ICSE Class X Board Exam 2020 : Biology

11 pages, 12 questions, 0 questions with responses, 0 total responses,

Risheet Jha
N. L. Dalmia High School, Mira Road

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Downloaded from TestPaperz.com BIOLOGY SCIENCE Paper 3 (Two hours) Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the Question Paper. The time given at the head of this Paper is the time allowed for writing the answers. Attempt all questions from Section I and any four questions from Section II. The intended marks for questions or parts of questions are given in brackets [ ]. SECTION I (40 Marks) Attempt all questions from this Section Question 1 (a) Name the following: [5] (i) The layer of the eyeball that provides nourishment to the eye. (ii) One gaseous compound which depletes the ozone layer. (iii) The structure which connects the placenta and the foetus. (iv) A pair of corresponding chromosomes of the same shape and size and derived one from each parent. (v) The compound formed when haemoglobin combines with carbon dioxide in blood. This paper consists of 11 printed pages and 1 blank page. T19 523 Copyright reserved Turn Over

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