Cbse Papers

SUMMATIVE ASSESSMENT I (2011) SCIENCE- SC1 QP 470011 Class IX (Biology) prison term in totallyowed: 1 hour Maximum Marks: 30 widely distributed Instructions: (i) The misgiving paper comprises of two atoms, A and B. You atomic number 18 to attempt two the divides. (ii) either questions argon compulsory. (iii) There is no overall choice. However, inner(a) choice has been provided in all the five questions of five suss outs category. altogether virtuosoness option in such questions is to be attempted. (iv) All questions of section A and all questions of section B be to be attempted separately. (v) Questions 1 to 3 in section A are one mark questions. These are to be answered in one volume or in one sentence. (vi) Questions 4 to 7 in section A are two marks questions. These are to be answered in about 30 words each. (vii) Questions 8 to 19 in section A are ternion marks questions. These are to be answered in about 50 words each. (viii) Questions 2 0 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 stimulate on practical skills. Each question is a one mark question. You are to select one most appropriate solution out of the quadruple provided to you. Section A 6.Differentiate amid the plasm membrane and cell wall. 7.

List any four salient features of meristematic wander. 15.(a) State the constituents of bast ? (b) How does cork act as a protective tissue ? 16.Give the location and functions of the following tissues : (a) gristle (b) Ar eolar tissue (c) Adipose tissue 17.What p! ull up stakes happen if : (a) ribosomes are upstage from the cell, (b) golgi apparatus is removed from the cell, (c) plasma membrane ruptures ? 18.What is animal husbandry? Differentiate between milch and draught animals. What do the following supply to dairy animals : (i) character (ii) concentrates. 19.State differences between mixed cropping and intercropping with examples. 24.(a) A farmer fix that genus Xanthium and...If you want to get a full essay, crop it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper