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ICSE Class X Prelims 2021 : Biology (Sudarshan Vidya Mandir ICSE Academy, Bangalore)

8 pages, 104 questions, 50 questions with responses, 53 total responses,    2    0
Chiranth S
Baldwin Boys' High School (BBHS), Bangalore
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GRADE: 10 DATE: 11/12/20 SUDARSHAN VIDYA MANDIR (ICSE ACADEMY) 1ST PREPARATORY EXAMINATION- 2020-21 SCIENCE PAPER-3 BIOLOGY MAX MARKS: 80 TIME: 2 HOURS INSTRUCTIONS Answer 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 answer. Section I is compulsory. Attempt any four questions from Section II. The intended marks for questions or parts of questions are given in brackets [ ] ____________________________________________________________ Only answers to be written with correct question number. Do not copy the questions SECTION-I (40 MARKS) (ATTEMPT ALL QUESTIONS FROM THIS SECTION) QUESTION 1 (a) Name the following: (5) (i) The initiators of blood clotting. (ii) The organ where urea is formed. (iii) The number of spinal nerves in man. (iv) The disease caused due to under secretion of thyroxine in children. (v) The colour in which the rate of photosynthesis is minimum. (b) Choose the ODD term in each of the following sets. Also state the category the other three terms belong to: (5) (i) Iris, Cones, Ciliary body, Melanin pigments. (ii) Presbyopia, Astigmatism. Night blindness, Myopia. (iii) Thymine, Guanine, Pepsin, Adenine. (iv) Blinking, Coughing, Swallowing, Applying hand breaks. (v) Transportation, Defence, Drainage, Absorption. (c) State the main function of the following: (i) Centrosome. 1 (5)

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