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ICSE Class X Board Exam 2015 : Biology

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BIOLOGY SCIENCE Paper - 3 III. ANALYSIS OF PERFORMANCE Question 1 (a) Name the following: (i) The process of uptake of mineral ions against the concentration gradient using energy from cell. (ii) The form in which glucose is stored in liver. (iii) The vein that carries oxygenated blood. (iv) The cross between two parents having one pair of contrasting characters. (v) (b) The structure formed by the villi of the embryo and the uterus of the mother. [5] The statements given below are False. Rewrite the correct form of the statement by changing the word which is underlined: (i) (c) Alpha cells of pancreas secrete Insulin. (ii) Formalin is an example of an Antiseptic. (iii) CNG is mainly responsible for the formation of acid rain. (iv) Sulphadiazine is an example of an Antiseptic. (v) Cretinism is caused due to deficiency of Adrenaline. [5] Choose the correct answer from the four options given below: (i) A single highly coiled tube where sperms are stored, gets concentrated and mature is known as: A. Epididymis B. Vas efferentia C. Vas deferens D. Seminiferous tubule. (ii) Chromosomes get aligned at the center of the cell during : A. Metaphase B. Anaphase C. Prophase D. Telophase. 174

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