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ICSE Class X Prelims 2025 : Biology (Ryan International School (RIS) ICSE, Kharghar, Navi Mumbai)

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RYAN GROUP OF SCHOOLS ACADEMIC YEAR 2024-25 ICSE, FIRST PRE BOARD STD: SUB: EXAMINATION RYAN MARKS: 80 DURATION: 2 HRS BIOLOGY SECTION A 140 MARKS. (Atempt all questions) Q1. Select the correct answers to the questions from the given options. (Do not copy the question. Write the correct answer only) 1. Hydathodes are located on a. At the petiole c. Lower surface of leaves b. Upper surface'of leaves d. margins of leaves valves are located at the opening of the right ventricle into the pulmonary artery. a. Pulmonary semilunar b. Aortic semilunar c. Tricuspid d. Bicuspid 3. The first scientist who proposed his theory for evolution was a. Darwin c. Mendel b. Lamarck d. Wallace 4. In the human menstrual cycle, the ovulation occurs around: a. 7 days b. 14 days c. 21 days d. 28 days 5. The external female genitalia is called a. Uterus c. Vulva b. Vagina d. Ovary 6. A gland which sccretes enzymes and hormones both is a. Adrena! c. Thyroid

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