CBSE Class 9 Science Sample Paper
SUBJECT: SCIENCE MAX. MARKS : 90
CLASS : IX DURATION : 3 HRS
General Instructions:
1. The question paper comprises of two sections – A, B. You are to attempt all the sections.
2. All questions are compulsory.
3. There is no overall choice. However Internal Choice has been provided in all the five questions of 5 marks
category. Only one option in such questions is to be attempted.
4. Question numbers 1 to 3 in Section-A are one mark questions. They are to be answered in one word or
in one sentence.
5. Question numbers 4 to 7 in Section- A are two marks questions. These are to be answered in about
30 words each.
6. Question numbers 8 to 19 in Section-A are three marks questions. These are to be answered in about
50 words each.
7. Question numbers 20 to 24 in Section-A are 5 marks questions. These are to be answered in about
70 words each.
8. Question numbers 25 to 42 in Section- B are multiple choice questions based on practical skills.
Each question is of one mark. You are to choose one most appropriate response out of the four provided
to you.
SECTION – A
1. Which form of energy will a body possess placed at the top of hill?
2. In which layer of the atmosphere ozone layer is located?
3. If Z=3,What would be the valency of element? Write the name of element.
, 4. Calculate the mass of 1 molecule of Nitrogen gas.
5. Complete the following chart-
6. State two causes and two effects of depletion of ozone layer.
7. Relative density of silver is 10.8 ,The density of water is 10³ kg/m³. What is density of silver in S.I.
unit?
8. Give reasons-
a. Which divison among plants have the simplest organisms?
b. How do Gymnosperms and Angiosperms differ from each other?
9. A) Why a person suffering once from small pox cannot suffer from it again?
B) Name one disease associated with the attack of microbe on the lungs.
10. A child hears an echo from a cliff in 10 sec after the sound from an animal is produced. Calculate the
distance between the cliff and the child. ( take velocity of sound as 340 m/s)
11. A) Draw a diagram showing graphical representation of low pitch and high pitch sound.
B) Write any 2 applications of SONAR.
12. People often bemoan that quality of air has gone down since their childhood.
a) How is quality of air affectd?
b) How does this quality affect us and other life forms?
13. A) Write 2 differences between acute and chronic diseases.
B) Give one example of each.
14. Identify the phylum of the following 2 organisms and write 2 characteristic feature of each-
(a) (b)
SUBJECT: SCIENCE MAX. MARKS : 90
CLASS : IX DURATION : 3 HRS
General Instructions:
1. The question paper comprises of two sections – A, B. You are to attempt all the sections.
2. All questions are compulsory.
3. There is no overall choice. However Internal Choice has been provided in all the five questions of 5 marks
category. Only one option in such questions is to be attempted.
4. Question numbers 1 to 3 in Section-A are one mark questions. They are to be answered in one word or
in one sentence.
5. Question numbers 4 to 7 in Section- A are two marks questions. These are to be answered in about
30 words each.
6. Question numbers 8 to 19 in Section-A are three marks questions. These are to be answered in about
50 words each.
7. Question numbers 20 to 24 in Section-A are 5 marks questions. These are to be answered in about
70 words each.
8. Question numbers 25 to 42 in Section- B are multiple choice questions based on practical skills.
Each question is of one mark. You are to choose one most appropriate response out of the four provided
to you.
SECTION – A
1. Which form of energy will a body possess placed at the top of hill?
2. In which layer of the atmosphere ozone layer is located?
3. If Z=3,What would be the valency of element? Write the name of element.
, 4. Calculate the mass of 1 molecule of Nitrogen gas.
5. Complete the following chart-
6. State two causes and two effects of depletion of ozone layer.
7. Relative density of silver is 10.8 ,The density of water is 10³ kg/m³. What is density of silver in S.I.
unit?
8. Give reasons-
a. Which divison among plants have the simplest organisms?
b. How do Gymnosperms and Angiosperms differ from each other?
9. A) Why a person suffering once from small pox cannot suffer from it again?
B) Name one disease associated with the attack of microbe on the lungs.
10. A child hears an echo from a cliff in 10 sec after the sound from an animal is produced. Calculate the
distance between the cliff and the child. ( take velocity of sound as 340 m/s)
11. A) Draw a diagram showing graphical representation of low pitch and high pitch sound.
B) Write any 2 applications of SONAR.
12. People often bemoan that quality of air has gone down since their childhood.
a) How is quality of air affectd?
b) How does this quality affect us and other life forms?
13. A) Write 2 differences between acute and chronic diseases.
B) Give one example of each.
14. Identify the phylum of the following 2 organisms and write 2 characteristic feature of each-
(a) (b)
