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ICSE Prelims 2017 : Biology (Sacred Heart School, Siliguri, Darjeeling)

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Raymond Shepherd
Sacred Heart School, Siliguri, Darjeeling
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PREBOARD EXAM-2017 Class X Subject BIOLOGY (Time One hour and a half) (Full Marks 80) 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 Name the following : [5] (i) The process of uptake of mineral ions against the concentration gradient using energy from cell. (ii) The form in which glucose stored in the liver. (iii) The vein that carries oxygenated blood. (iv) The between the parents having one pair of contrasting character. (v) The structure formed by the villi of an embryo and the uterus of the mother. b) The statements below are false: REWRITE the correct form of the statement by changing the word which is underlined: [5] i) Alpha cells of pancreas secrete Insulin. ii) Formalin is an example of Antiseptic. iii) CNG is mainly responsible for the formation of Acid rain. iv) Sulphadiazine is an example of an antiseptic. (vi) Cretinism is caused due to deficiency of Adrenaline. c) Mention the exact location of the following structures: [5] i) Thylakoids. ii) Organ of corti iii) Lenticels iv) Bicuspid valve v) Loop of henle d) Match the column A with that which is most appropriate in column B. Rewrite the matching pair: [5] COLUMN A COLUMN B i)Testis i)kidney ii)Poliomyeletis ii)water vapour iii) Transpiration iii) Prostate gland iv)Clotting of blood iv) iron v)Uriniferous tubule v) uterus vi)gonad vii)Salk s vaccine viii)Water droplet ix)calcium x) TAB vaccine. P.T.O.

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