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Science Sample Paper For Class Tenth

Name the two substances which are responsible for the control and coordination in plants. What are Phytohormones? Name any two. What is the difference between photoperiodism and phototropism? What are nastic movements? Give one example. What are the different Hormones found in Plants and their functions? What are receptors? What type of receptors detects smell and taste? How the information is send to brain in animals? What is cranium? How are tissues protected in a brain? What is role of brain in reflex action? What happens at the synapse between two neurons? What is stimulus? What are the different types of nervous systems found in human body? Mention the functions of each. Draw the schematic diagram of reflex arc. Define reflex action with suitable example. Draw the labeled structure of human brain. What are the four main parts of the fore brain? Give the function of each part. What are the three parts of the mid brain and their functions? Which part of the human brain is res

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Sample Paper – 2009 Class – X Subject – SCIENCE (THEORY)   Time: 2½ Hours                                                                                                                         Max. Marks: 60   General Instructions 1. The question paper comprises of two sections A and B. You are to attempt both the sections. 2. All questions are compulsory. 3. There is no overall choice However, internal choice has been provided in all the three questions of five marks category. Only one option in such questions is to be attempted. 4. All questions of section A and all questions of section B are to be attempted separately. 5. Questions 1 to 6 in section A and 17 to 19 in section B are short question. These carry one mark each. 6. Questions 7 to 10 in section A and 20 to 24 in section B are short answer type questions and carry two marks each. 7. Questions 11 to 14 in section A and 25 to 26 in section B are also short answer type questions and carry three marks each. 8. Questions 15 a