CBSE Class 9 - Science
Sample Paper (2017-18)
General Instructions:
i. The question paper comprises of two Sections A and B. You are to attempt all the
sections.
ii. All questions are compulsory.
iii. There is no choice in any of the questions.
iv. All questions of Section A, Section B are to be attempted separately.
v. Question numbers 1 to 2 in Section A are one mark questions. These are to be answered
in one word or in one sentence.
vi. Question numbers 3 to 5 in Section A are two marks questions. These are to be
answered in about 30 words each.
vii. Question numbers 6 to 15 in Section A are three marks questions. These are to be
answered in about 50 words each.
viii. Question numbers 16 to 21 in Section A are five marks questions. These are to be
answered in about 70 words each.
ix. Question numbers 22 to 27 in Section B are two marks questions based on practical skills.
These are to be answers in about 30 words each.
Section 'A'
1. The valency of a metal is 1. Write the molecular formula of its oxide.
2. Name the phylum to which earthworm belongs.
3. Find the amount of work done when a force of 10N acts on an object and the object covers a distance of 50m in the direction perpendicular to the direction of force.
4. Give reason why sound is called mechanical wave.
5. Who discovered free living cell?
6. A sound wave takes 5 seconds to complete 90 oscillations. Determine whether it is audible, ultrasonic or infrasonic.
7. Define potential energy and drive its expression.
8. Give three differences between electron and proton.
9. Give three characteristics of bryophytes.
10. Write any three applications of ultrasound.
11.Why does a passenger fall in the backward direction when a bus starts moving suddenly?
12. Give three differences between a true solution and a colloidal solution.
13.
14. State Newton's second law of motion and derive it mathematically?
15. Give three differences between manure and fertilizer.
16. Give reason:
17. Give any five differences between plant cell and animal cell.
18. a. Give three differences between
compound and mixture.
b. State the law definite proportion with an example.
19. a. Define symbiotic relation with an
example.
b. Give three differences between
monocot and dicot.
20. What do you mean by work? Give an example of negative work done? What is the work to be done to increase the velocity from 18 km/hr to 19 km/hr if the mass of the care is
2000 kg.
21.
Section 'B'
22. Which would require a greater force accelerating a 2 kg mass at 5 ms
-2 or a 4 kg mass at 2
ms
-2
?
23. In experiment to demonstrate the boiling point of water. state reason for following
precautions.
a. The bulb of thermometer should not touch the sides of the beaker?
b. Pumice stone should be added while boiling water.
24. Seena was asked to prepare four separate mixtures in four beakers A, B, C, D by mixing
sugar, fine sand, thin paste of starch and chalk powder respectively in water and then
categories each as stable or unstable what will be the correct categorization?
25. A baby is not able to tell her/his caretakers that she/he is sick. What would help us to find
out that the baby is sick?
26. A free falling object eventually stops on reaching the ground. What happens to its kinetic
energy.
27. A sound wave travels at a speed of 340 m/s. If the wave length of wave is 1.4 Km. What is the frequency of the wave?
For more questions click:
http://sinhaclasses.blogspot.in/2018/02/sinha-classes-summative-assessment-ii.html?m=1
Sample Paper (2017-18)
General Instructions:
i. The question paper comprises of two Sections A and B. You are to attempt all the
sections.
ii. All questions are compulsory.
iii. There is no choice in any of the questions.
iv. All questions of Section A, Section B are to be attempted separately.
v. Question numbers 1 to 2 in Section A are one mark questions. These are to be answered
in one word or in one sentence.
vi. Question numbers 3 to 5 in Section A are two marks questions. These are to be
answered in about 30 words each.
vii. Question numbers 6 to 15 in Section A are three marks questions. These are to be
answered in about 50 words each.
viii. Question numbers 16 to 21 in Section A are five marks questions. These are to be
answered in about 70 words each.
ix. Question numbers 22 to 27 in Section B are two marks questions based on practical skills.
These are to be answers in about 30 words each.
Section 'A'
1. The valency of a metal is 1. Write the molecular formula of its oxide.
2. Name the phylum to which earthworm belongs.
3. Find the amount of work done when a force of 10N acts on an object and the object covers a distance of 50m in the direction perpendicular to the direction of force.
4. Give reason why sound is called mechanical wave.
5. Who discovered free living cell?
6. A sound wave takes 5 seconds to complete 90 oscillations. Determine whether it is audible, ultrasonic or infrasonic.
7. Define potential energy and drive its expression.
8. Give three differences between electron and proton.
9. Give three characteristics of bryophytes.
10. Write any three applications of ultrasound.
11.Why does a passenger fall in the backward direction when a bus starts moving suddenly?
12. Give three differences between a true solution and a colloidal solution.
13.
14. State Newton's second law of motion and derive it mathematically?
15. Give three differences between manure and fertilizer.
16. Give reason:
17. Give any five differences between plant cell and animal cell.
18. a. Give three differences between
compound and mixture.
b. State the law definite proportion with an example.
19. a. Define symbiotic relation with an
example.
b. Give three differences between
monocot and dicot.
20. What do you mean by work? Give an example of negative work done? What is the work to be done to increase the velocity from 18 km/hr to 19 km/hr if the mass of the care is
2000 kg.
21.
Section 'B'
22. Which would require a greater force accelerating a 2 kg mass at 5 ms
-2 or a 4 kg mass at 2
ms
-2
?
23. In experiment to demonstrate the boiling point of water. state reason for following
precautions.
a. The bulb of thermometer should not touch the sides of the beaker?
b. Pumice stone should be added while boiling water.
24. Seena was asked to prepare four separate mixtures in four beakers A, B, C, D by mixing
sugar, fine sand, thin paste of starch and chalk powder respectively in water and then
categories each as stable or unstable what will be the correct categorization?
25. A baby is not able to tell her/his caretakers that she/he is sick. What would help us to find
out that the baby is sick?
26. A free falling object eventually stops on reaching the ground. What happens to its kinetic
energy.
27. A sound wave travels at a speed of 340 m/s. If the wave length of wave is 1.4 Km. What is the frequency of the wave?
For more questions click:
http://sinhaclasses.blogspot.in/2018/02/sinha-classes-summative-assessment-ii.html?m=1
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