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ICSE sample paper class x biology 2006 05

5 pages, 6 questions, 0 questions with responses, 0 total responses,    0    0
Alok Sain
St. James' School, Kolkata
Class X Science
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X- BIOLOGY-1 Biology-x Time-1 Max. Marks.80 Section-I (40 Marks) Answer All Question From This Section. Question-1 A. Select words from the following list which best describe or match statements(i)-(v): (Mitochondriya, Chloroplasts, Cell wall, Eytoplasm, Cellmemberane). a. Where cellular respiration occinss. b. Non-living structure which surround the plant cell. c. Which contain chlorophyll. d. Very thin layer of all cells. e. The major part of the cell excluding nucleus. B. State the function of the following: a. Root hair b. Epiblema c. Cambium d. Stomata e. Cortex C. Define the following: a. Diffusion b. Plasmolysis c. Root pressue d. Osmotic pressure e. Semi-par miable membrane D. State whether following statements are true or false: a. Photo synthesis occurs in all plants b. KDH absorbs necessary for photosynthesis c. Starting point of food chain is plant. E. Choose the add one out: a. RBC, ATP, WBC, Plaetels b. Auricle, Aorta, Ventricles c. Eosinophil, Basophil, leucocytes, Neutrop, d. Thrombin, Monocyte, Fibrin, Vita mink. F. Give reasons for the following: a. As result of ultrafiltration along with excretory product certain useful products like glucose, salt etc are also filtered but these are not excreted. b. Glucose is absent in the urine of a healthy person. c. The urine is slightly thicker in summer than winter. d. These is frequent urination in winter than in summer. e. All living things must excrete.

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