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ICSE Class X Mid-term 2023 : Biology : Mid term examination

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MIDTERM EXAMINATION (2023-24] Std: X Total Marks: 80 BIOLOGY SCIENCE PAPER-3 Time allowed: Two hours Answers to this Paper must be writen on the paper provided separately. You will not be allowed to write during first 15 minutes. This time is to be spent in reading the question paper. The time given at the head ofthis Paper is the time allowed for writing the answers. Section A is compulsory. Attempt any four questions from Section B Theintended marks for questions or parts of questions are given in brackets [). SECTION A (Attempt all questions from this section) [15] Question 1 Choose the correct answers to the questions from the given options: (Do not copy the questions, write the correct answers only) (1) Synthesis phase in the cell cycle is called so, because of the synth esis of more (a) RNA (b) RNA and proteins ( c DNA (d) Glucose (i) The structure of the cell which is visible only during the time of cell division? (a) (b) (c) ( (iii) Chromoplast Chromatin Centrosome Chromosome During the formation of gametes, the sperms received half set of chromosomes. The sperms so formed contain autosomes and (a) X and Y chromosomes (b) (c) (d) Only X chromosome X or Y chromosome Only Y chromosome

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