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CBSE Sample Paper-05 (Unsolved)
SUMMATIVE ASSESSMENT –I
SCIENCE (Theory)
Class – X
Time allowed: 3 hours
Maximum Marks: 90
General Instructions:
a) All questions are compulsory.
b) The question paper comprises of two sections, A and B. You are to attempt both the sections.
c) Questions 1 to 3 in section A are one mark questions. These are to be answered in one word or in one sentence.
d) Questions 4 to 6 in section A are two marks questions. These are to be answered in about 30 words each.
e) Questions 7 to 18 in section A are three marks questions. These are to be answered in about
50 words each.
f) Questions 19 to 24 in section A are five marks questions. These are to be answered in about
70 words each.
g) Questions 25 to 27 in section B are 2 marks questions and Questions 28 to 36 are multiple choice questions based on practical skills. Each question of multiple choice questions is a one mark question. You are to select one most appropriate response out of the four provided to you. Section A
1.
2.
3.
4.
5.
6.
7.
8.
Write the chemical formula for the following:
(a) Calcium Fluoride
(b) Iron (II) Bromide
Name to kinds of cells (elements) of xylem.
Two wires, one of manganin and the other of copper have equal lengths and resistances. Which one of these wires will be thicker?
What does ‘slaking of lime’ stand for? Why is there a hissing sound during this process? Write the chemical equation for the reaction involved.
What is autonomic nervous system?
What is the function of earth wire? Why is it necessary to earth the metallic appliance?
Give the characteristics tests for the following gases:
(a) CO2
(b) O2
(c) H2
Seema bought a chips packet and open it. Suddenly her friend Shanu came. She started playing and forgot to eat the chips. On the next day, when she ate the chips, she felt the taste was not good and she was not feeling well. She told her mother to take her to a doctor. The doctor told them this is
SUMMATIVE ASSESSMENT –I
SCIENCE (Theory)
Class – X
Time allowed: 3 hours
Maximum Marks: 90
General Instructions:
a) All questions are compulsory.
b) The question paper comprises of two sections, A and B. You are to attempt both the sections.
c) Questions 1 to 3 in section A are one mark questions. These are to be answered in one word or in one sentence.
d) Questions 4 to 6 in section A are two marks questions. These are to be answered in about 30 words each.
e) Questions 7 to 18 in section A are three marks questions. These are to be answered in about
50 words each.
f) Questions 19 to 24 in section A are five marks questions. These are to be answered in about
70 words each.
g) Questions 25 to 27 in section B are 2 marks questions and Questions 28 to 36 are multiple choice questions based on practical skills. Each question of multiple choice questions is a one mark question. You are to select one most appropriate response out of the four provided to you. Section A
1.
2.
3.
4.
5.
6.
7.
8.
Write the chemical formula for the following:
(a) Calcium Fluoride
(b) Iron (II) Bromide
Name to kinds of cells (elements) of xylem.
Two wires, one of manganin and the other of copper have equal lengths and resistances. Which one of these wires will be thicker?
What does ‘slaking of lime’ stand for? Why is there a hissing sound during this process? Write the chemical equation for the reaction involved.
What is autonomic nervous system?
What is the function of earth wire? Why is it necessary to earth the metallic appliance?
Give the characteristics tests for the following gases:
(a) CO2
(b) O2
(c) H2
Seema bought a chips packet and open it. Suddenly her friend Shanu came. She started playing and forgot to eat the chips. On the next day, when she ate the chips, she felt the taste was not good and she was not feeling well. She told her mother to take her to a doctor. The doctor told them this is