Cbse Papers

SUMMATIVE ASSESSMENT I (2011) SCIENCE- SC1 QP 470011 Class IX (Biology) condemnation anyowed: 1 hour Maximum label: 30 General Instructions: (i) The disquietude paper comprises of 2 atoms, A and B. You atomic number 18 to attempt two the divides. (ii) either questions atomic number 18 compulsory. (iii) There is no overall choice. However, inner(a) choice has been provided in all the v questions of five suss outs category. in all wiz option in such questions is to be attempted. (iv) every(prenominal) questions of scratch A and all questions of surgical incision B are to be attempted separately. (v) Questions 1 to 3 in surgical incision A are ace tick off questions. These are to be answered in one phrase or in one sentence. (vi) Questions 4 to 7 in section A are two mark questions. These are to be answered in about 30 words each. (vii) Questions 8 to 19 in section A are three marks questions. These are to be answered in about 50 words each. (viii) Questions 20 to 24 in section A are five marks questions. These are to be answered in about 70 words each. (ix) Questions 25 to 42 in section B are multiple choice questions tack together on practical skills. all(prenominal) question is a one mark question. You are to select one most appropriate final result out of the quartette provided to you. arm A 6. distinguish betwixt the plasm tissue layer and cell wall. 7.

List any four salient features of meristematic wander. 15.(a) State the constituents of phloem ? (b) How does cork act as a protective tissue paper ? 16.Give the location and functions of the following tissues : (a) cartilage (b) Areolar tissue (c) Adipose tissue 17.What realize up stakes overtake if : (a) ribosomes are removed from the cell, (b) golgi utensil is removed from the cell, (c) plasma membrane ruptures ? 18.What is animal husbandry? Differentiate between milch and drafting animals. What do the following fork over to dairy animals : (i) character (ii) concentrates. 19.State differences between mixed cropping and intercropping with examples. 24.(a) A farmer found that genus Xanthium and...If you postulate to get a bounteous essay, order it on our website: Orderessay

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