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ICSE Class X Sample / Model Paper 2025 : Biology

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Arya Limaye
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REVISION TEST BIOLOGY Maximum Marks: 40 Time allowed: One hour Section A is compulsory. Attempt any two questions from Section B. The intended marks for questions or parts of questions are given in brackets [ ]. SECTION A (Attempt all questions from this section) Question 1 Choose the correct answers to the questions from the given options. (Do not copy the question, write the correct answers only.) [5] (i) The cerebral hemispheres in mammals are connected by: a. Corpus luteum b. Hypothalamus c. Pons varolli d. Corpus callosum (ii) Insulin is secreted by: a. Beta cells of pancreas b. Alpha cells of pancreas c. Delta cells of pancreas d. Gamma cells of pancreas (iii) A de-starched plant is one whose: a. Leaves are free from chlorophyll b. Areal parts are free from starch c. Leaves are free from starch d. Plant is free from starch (iv) Angina pectoris is due to: a. Defective nutrition b. Chest pain due to inadequate supply of oxygen to the heart muscle c. Defective functioning of mitral valve d. Infection by a virus (v) Which statement about mitosis is incorrect? a. The prophase takes longer time than metaphase

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