Corruption Role of Youth

Topics: Orders of magnitude, Sodium, Sodium chloride Pages: 19 (5321 words) Published: May 11, 2013
Important Instructions for the School Principal
(Not to be printed with the question paper)
1) This question paper is strictly meant for use in school based SA-II, March-2012 only. This question paper is not to be used for any other purpose except mentioned above under any circumstances. 2) The intellectual material contained in the question paper is the exclusive property of Central Board of Secondary Education and no one including the user school is allowed to publish, print or convey (by any means) to any person not authorised by the board in this regard. 3) The School Principal is responsible for the safe custody of the question paper or any other material sent by the Central Board of Secondary Education in connection with school based SA-II, March-2012, in any form including the print-outs, compact-disc or any other electronic form. 4) Any violation of the terms and conditions mentioned above may result in the action criminal or civil under the applicable laws/byelaws against the offenders/defaulters.

Please ensure that these instructions are not printed with the question paper being administered to the examinees.




Class – IX /
Time allowed : 3 hours 3 General Instructions :
(i) (ii) (iii) (iv) (v) (vi) (vii) (viii) (ix)

Maximum Marks : 90 90

The question paper comprises of two Sections, A and B. You are to attempt both the sections. All questions are compulsory. There is no overall choice. However, internal choice has been provided in all the five questions of five marks category. Only one option in such questions is to be attempted. All questions of Section-A and all questions of Section-B 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 7 in Section-A are two marks questions. These are to be answered in about 30 words each. Question numbers 8 to 19 in Section-A are three marks questions. These are to be answered in about 50 words each. Question numbers 20 to 24 in Section-A are five marks questions. These are to be answered in about 70 words each. 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.

(i) (ii) (iii) (iv) (v) (vi) (vii) (viii) (ix) 1 4 8 20 25 3 7 19 24 42 30 50 70



SECTION-A / What is the difference between 2H and H2?


2H VWm H2 ‘o§ {d^oXZ H$s{OE&
2 In which kingdom will you place an organism which is single celled eukaryotic and photosynthetic ? 1

àH$me g§íëofU H$aZo dmbo EH$ H$mo{eH$ ¶yH¡$[a¶mo Ord H$mo Amn {H$g OJV ‘| aI|Jo? 3 Name an organism sensitive to SO2 in air. EH$ Ord H$m Zm‘ {b{IE Omo dm¶w ‘| {dÚ‘mZ SO2 Ho$ {bE g§doXZerb h¡& Write two differences between pteridophyte and phanerogam, 1



Q>¡[aS>mo’$mBQ> VWm ’¡$ZamoJ¡‘ ‘| Xmo A§Va {b{IE& 5 What causes encephalitis ? How does it enter the body? Which organ does it infect? What are the symptoms if this organ is infected ? 2

OmnmZr ‘pñVîH$ Áda {H$g àH$ma hmoVm h¡? h‘mao eara ‘| ¶h {H$g àH$ma àdoe H$aVm h¡? ¶h {H$g A§J H$mo g§H«${‘V H$aVm h¡? A§J Ho$ g§H«${‘V hmoZo Ho$ ³¶m bjU h¡§ ? 6 The density of turpentine at 293 K is given as 870kg/m3. Identify and write the names of substances that sink in turpentine at the same temperature. S.No Substances Density kg/m3 1 Wood 690 2 Ice 920 3 Rubber 970 4 Paraffin wax 900 5 Cork 240 6 Bone 1850 293 K na VmanrZ Vob H$m KZËd 870kg/m3 {X¶m J¶m h¡& ZrMo Xr JB© m{bH$m ‘| go nhMm{ZE {H$ 2

H$m¡Z gm nXmW© VmanrZ Vob ‘| 293 K na Sy>~ OmEJm& H«$. g§. nXmW© KZËd Kg/m3 1 690 bH$‹S>r 2 920 ~’©$ 3 970 a~a 4 900 d¡³g 5 240 H$m°H©$ 6 1850 ApñW 7 State the type of energy transformation in the following appliances : (a) In a loud speaker (b) Solar battery 2


ZrMo {XE JE gm{YÌm| ‘| D$Om© nm§VaU...
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