CBSE Class 9 Science Sample Paper SA2 2014
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• The question paper comprises of three Sections, A, B and C. You are to attempt all the sections.
• All questions are compulsory.
• There is no choice in any of the questions.
• All questions of Section-A, Section-B and Section-C are to be attempted separately.
• Question numbers 1 to 3 in Section-A are one mark questions. These are to be answered in one
word or in one sentence.
• Question numbers 4 to 6 in Section-A are two marks questions. These are to be answered in
about 30 words each.
• Question numbers 7 to 18 in Section-A are three marks questions. These are to be answered in
about 50 words each.
• Question numbers 19 to 24 in Section-A are five marks questions. These are to be answered in
about 70 words each.
• Question numbers 25 to 33 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.
• Question numbers 34 to 36 in section B are two marks questions based on practical skills. These
are to be answered in about 30 words each.
• Question number 37 from section C is based on Open Text themes and is of 10 marks.
SECTION - A
Q.1 Write the symbols of phosphorus and potassium. (1)
Q.2 Name two groups of micro – organisms from which antibiotics could be extracted. (1)
Q.3 State the term used to describe bits of decayed living organisms present in soil. (1)
Q.4 Discover similarity between (i) frog and funaria and (ii) pinus and rice on the basis
of your knowledge about diverse life forms.
Q.5 Define negative work. Give two examples where negative work is done ? (2)
Q.6 Derive a relation between kinetic energy and momentum ‘p’ of an object having
mass ‘m’ and moving with velocity ‘v’.
Q.7 (a) Do isobars belong to the same element ? Justify your answer by giving one
(b) Name two elements whose isotopes are used in the field of medicine.
Q.8 List the observations in a-particle scattering experiment which led Rutherford to
make the following conclusions :
(i) Most of the space in an atom is empty.
(ii) Whole mass of an atom is concentrated in its centre.
(iii) Centre is positively charged.
Q.9 State any four postulates of Dalton’s atomic theory of matter. Which of his
postulates does not hold correct at present ?
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