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ICSE Class X Prelims 2021 : Biology (Pratima Palande School, Pune)

6 pages, 82 questions, 23 questions with responses, 23 total responses,    2    0
Pratima Palande
Pratima Palande School, Pune
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Kasturi Shikshan Sanstha s Pratima Palande School (ICSE) PRELIMINARY EXAMINATION (2020-2021) BIOLOGY CLASS: 10 MARKS: 80 DATE: 01.03.2021 TIME: 2 HRS 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 on 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 structure formed by coiling and supercoiling of chromatin fibres. (ii) A disease in which hypoglycemia and increased susceptibility to infections is seen. (iii) The duct which conducts the secretion from eyes to the nose. (iv) The apparatus which do not measure the water lost during transpiration but measure the water uptake by the cut shoot. (v) The reversal of plasmolysis. (b) Choose the correct answer from the four options given below: i) The membrane which fails to act as a semipermeable membrane is a) Cellophane paper b) Visking bag c) Egg membrane d) Rubber sheet ii) Glucose produced during the process of photosynthesis will not be a) Immediately consumed by the plants b) Reutilized for the process of diffusion. c) Used for synthesizing fats, proteins etc. d) Converted to sucrose. iii) The old and weak RBCs are not destroyed in a) Stomach b) Liver c) Spleen d) Bone marrow [5]

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