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ICSE Class X Sample / Model Paper 2024 : Biology

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BIOLOGY TEST - 6 As per the latest syllabus prescribed by the Council Class : 10 Marks : 80 Subject : Biology Time : 2 hours ______________________________________________________________________________ Te st Se r ie s 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. Your handwriting should be neat and legible. ____________________________________________________________________________________ This Paper is divided into 2 main Sections. You are to answer all Questions from Section A and any four from Section B. The intended marks for the Questions or parts of Questions are given in brackets [ ]. ____________________________________________________________________________________ SECTION A (All Questions compulsory) Question 1. Choose the correct answers to the questions from the given options. 1) The structure of DNA was first discovered by a) Wilhelm Johanssen b) Charles Darwin c) Watson and Crick d) Rosalind Franklin FP 2) NADPH is expanded as a) Nicotinamide Adenine Dinucleotide Hydrogen Phosphate b) Nicotinamide Adenosine Dinucleotide Phosphate Hydrogen c) Nicotineamide Adenine Dinucleotide Phosphate Hydrogen d) Nicotinamide Adenine Dinucleotide Phosphate Hydrogen 3) Which of the following is a pyrimidine of DNA? a) Adenine b) Guanine c) Cytosine 4) We hear DUP sound of heart a) At the beginning of atrial diastole b) At the time of pulse wave. c) When tricuspid and bicuspid valves open d) Both option (a) and option (b). d) Both (a) and (b) [15]

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