CBSE Class 9 Science Question Paper SA1 2012
CBSE Science Question Paper for Class 9 CBSE exams for CBSE Students. Based on CBSE and CCE guidelines. The students should practice these Question Papers to gain perfection which will help him to get more marks in CBSE examination. Please refer to more CBSE Class 9 question papers in other links. The CBSE Question papers are of past examinations. Its always recommended by CBSE to practice the papers released by CBSE to get better exams in CBSE exams. CBSE Last Year Question Papers for class IX for final/ term/ SA1/ SA2 Examinations conducted by Central Board of Secondary Education for all CBSE affiliated schools in India and abroad.
1. This paper comprises of two sections, A and B. You are to attempt both the sections.
2. All the questions are compulsory.
3. There is no overall choice. However internal choice has been provided in all the five Qs. of five marks category. Only one option in such questions is to be attempted.
4. All questions of section A and section B are to be attempted separately.
5. Question numbers 1 to 3 in section A are one mark question. These are to be answered in one word or in one sentence.
6. Question numbers 4 to 7 in section A are 2 marks questions. These are to be answered in about 30 words each.
7. Question numbers 8 to 19 in section A are three marks Qs. These are to be answered in about 50 words each.
8. Question numbers 20 to 24 in section A are five marks question. These are to be answered in about 70 words each.
9. Question numbers 25 to 42 in section B are multiple choice questions based on practical skills. Each question is a one mark question. You are to select one most appropriate response out of the four provided to you.
SECTION – A
1. Name the phenomenon in which particles of two or more substances intermix on their own.
2. Name the physical quantity which corresponds to rate of change of momentum.
3. Name the plastic which stores starch, oils and protein granules.
4. Describe an activity to explain the process of separation of salt and ammonium chloride.
5. The gravitational force between two objects is F. How will this force change when:
i) The distance between them is reduced to half.
ii)The mass of one of the objects becomes four times.
6. How do substances like CO2 and water move in and out of the cell?
7. List any two differences between structure and location of striated and unstriated muscles.
8. Give reasons:
a) Steam produces more severe burns than boiling water.
b) We are able to sip hot tea faster than from a saucer rather than a cup.
c) Water kept in an earthen pot becomes cool during summer.
9. A) Distinguish between the properties of a solution and a suspension on the basis of filtration and stability criteria.
B) What is Tyndall effect?
10. Rajeev went from Delhi to Chandigarh on his motorbike. The odometer of the bike read 4200km at the start of trip and 4460km at the end of his trip. If Rajeev took 4h 20min to complete his trip, find the average speed in kmh-1 as well as in ms-1.
Please refer to attached file for CBSE Class 9 Science Question Paper SA1 2012