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SUMMATIVE ASSESSMENT I (2011)
SCIENCE- SC1 QP 470011
Class IX (Biology)
sentence allowed: 1 hour

Maximum Marks: 30

General Instructions:
(i) The misgiving paper comprises of two atoms, A and B. You atomic number 18 to attempt two the divides.
(ii) either questions are 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 one option in such questions is to be attempted.
(iv) All questions of section A and all questions of section B are to be attempted separately.
(v) Questions 1 to 3 in section A are one mark questions. These are to be answered in one word 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 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 establish on practical skills. Each question is a
one mark question. You are to select one most appropriate solution out of the four provided to you.

Section A
6.Differentiate between 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) Cartilage (b) Areolar
tissue (c) Adipose tissue
17.What pull up stakes happen if : (a) ribosomes are removed 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 found that genus Xanthium and...If you want to get a full essay, order it on our website: Ordercustompaper.com



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