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# Sample Paper - 10, Science, Class 7 Class 7 Notes | EduRev

## Class 7 : Sample Paper - 10, Science, Class 7 Class 7 Notes | EduRev

Page 1

Section- A (PHYSICS)
Q.1. Fill in the blanks:-            (1)
(iii) 100°C = __________ °F.
(iv) The basic unit of speed is __________.
Q.2. Write two properties of image formed by a plane mirror.     (1)
Q.3. Answer in one word-           (2)
(i) The process involved in the circulation of air through ventilators.
(ii) Device used in vehicles which shows the distance covered.
Q.4. Define: (i) Convergent beam of light.       (2)
(ii) Amplitude of a pendulum.
Q.5. Identify the type of motion represented by the following graphs-   (2)
(i)  (ii)

Q.6. (i) Define time period of a simple pendulum.          (2)
(ii) If a pendulum completes 50 oscillation in 25 seconds. Find its time period.

Q.7. (i)  Define uniform motion.           (3)
(ii) A body covers a distance of 40 km in 20 minutes. Calculate the speed in km/ h.
Q.8. (i)  State the two laws of reflection of light.         (3)
(ii) Identify A and B in the following diagram and define them.

t
S
S
t
A
B
Page 2

Section- A (PHYSICS)
Q.1. Fill in the blanks:-            (1)
(iii) 100°C = __________ °F.
(iv) The basic unit of speed is __________.
Q.2. Write two properties of image formed by a plane mirror.     (1)
Q.3. Answer in one word-           (2)
(i) The process involved in the circulation of air through ventilators.
(ii) Device used in vehicles which shows the distance covered.
Q.4. Define: (i) Convergent beam of light.       (2)
(ii) Amplitude of a pendulum.
Q.5. Identify the type of motion represented by the following graphs-   (2)
(i)  (ii)

Q.6. (i) Define time period of a simple pendulum.          (2)
(ii) If a pendulum completes 50 oscillation in 25 seconds. Find its time period.

Q.7. (i)  Define uniform motion.           (3)
(ii) A body covers a distance of 40 km in 20 minutes. Calculate the speed in km/ h.
Q.8. (i)  State the two laws of reflection of light.         (3)
(ii) Identify A and B in the following diagram and define them.

t
S
S
t
A
B

Q.9. Give reason -          (3)
(i) Why does sea breeze occur during day time?
(ii) Why do we wear light coloured clothes in summers and dark coloured clothes
in winters?

Q.10. Medical vans used to transport patients to hospital has words “            ”
inscripted on it. Name the phenomenon associated and explain.    (3)

Q.11. (i) Plot the distance time graph for the following data.      (5)
Time (h)  0 2 4 6 8
Distance (km) 0 3 6 9 12

(ii)With the help of graph, identify the type of motion.
(iii)Calculate the speed of car when time was 4h.

Section- B (CHEMISTRY)

Q.12 Chemical formula of Nitric acid is         (1)
(i) HCl
(ii) NaCl
(iii) HNO
3

(iv) NH
4
OH
Q.13 Which one is not an indicator?        (1)
(i) Methyl orange
(ii) Litmus
(iii) Acetic acid
(iv) Phenolphthalein
Q.14 Hosiery wool is obtained from which breed of      (1)
(ii) Lohi
(iii) Nali
(iv) Marwari
Q.15 When is „World Water Day? celebrated?      (1)
(i) 23
rd
March
(ii) 22
nd
March
(iii) 22
nd
May
(iv) 22
nd
July

Q.16 (i) Why ice cubes float on water?       (2)
(ii)Name the chemical constituents of water.
Q.17 Name the two  processes which takes place in the water cycle.     (2)
Q.18 (i) What is the scientific name of „Mulberry tree??      (2)
(ii)Draw well labelled diagram for life cycle of silk moth.
Q.19 (i) Name the bacteria responsible for sorter?s disease.     (2)
(ii)What is the removal of hair from sheep called?
Page 3

Section- A (PHYSICS)
Q.1. Fill in the blanks:-            (1)
(iii) 100°C = __________ °F.
(iv) The basic unit of speed is __________.
Q.2. Write two properties of image formed by a plane mirror.     (1)
Q.3. Answer in one word-           (2)
(i) The process involved in the circulation of air through ventilators.
(ii) Device used in vehicles which shows the distance covered.
Q.4. Define: (i) Convergent beam of light.       (2)
(ii) Amplitude of a pendulum.
Q.5. Identify the type of motion represented by the following graphs-   (2)
(i)  (ii)

Q.6. (i) Define time period of a simple pendulum.          (2)
(ii) If a pendulum completes 50 oscillation in 25 seconds. Find its time period.

Q.7. (i)  Define uniform motion.           (3)
(ii) A body covers a distance of 40 km in 20 minutes. Calculate the speed in km/ h.
Q.8. (i)  State the two laws of reflection of light.         (3)
(ii) Identify A and B in the following diagram and define them.

t
S
S
t
A
B

Q.9. Give reason -          (3)
(i) Why does sea breeze occur during day time?
(ii) Why do we wear light coloured clothes in summers and dark coloured clothes
in winters?

Q.10. Medical vans used to transport patients to hospital has words “            ”
inscripted on it. Name the phenomenon associated and explain.    (3)

Q.11. (i) Plot the distance time graph for the following data.      (5)
Time (h)  0 2 4 6 8
Distance (km) 0 3 6 9 12

(ii)With the help of graph, identify the type of motion.
(iii)Calculate the speed of car when time was 4h.

Section- B (CHEMISTRY)

Q.12 Chemical formula of Nitric acid is         (1)
(i) HCl
(ii) NaCl
(iii) HNO
3

(iv) NH
4
OH
Q.13 Which one is not an indicator?        (1)
(i) Methyl orange
(ii) Litmus
(iii) Acetic acid
(iv) Phenolphthalein
Q.14 Hosiery wool is obtained from which breed of      (1)
(ii) Lohi
(iii) Nali
(iv) Marwari
Q.15 When is „World Water Day? celebrated?      (1)
(i) 23
rd
March
(ii) 22
nd
March
(iii) 22
nd
May
(iv) 22
nd
July

Q.16 (i) Why ice cubes float on water?       (2)
(ii)Name the chemical constituents of water.
Q.17 Name the two  processes which takes place in the water cycle.     (2)
Q.18 (i) What is the scientific name of „Mulberry tree??      (2)
(ii)Draw well labelled diagram for life cycle of silk moth.
Q.19 (i) Name the bacteria responsible for sorter?s disease.     (2)
(ii)What is the removal of hair from sheep called?

(iii)Define selective breeding.
Q.20 (i) Name natural source of litmus.        (3)
(ii)Complete the following equation:
Calcium hydroxide + Hydrochloric acid
____________ + ____________ + ____________

(iii)Why does a turmeric stain on a white shirt turn red when washed with a soap?
Q.21 (i) Where does underground water come from?      (3)

(ii)Explain two ways which can help in increasing the water table.
Q.22 (i) Why is a sheep dipped in an antiseptic solution soon after shearing?  (3)
(ii)Why do animals living in cold region have a thick coat of hair?
(iii)Name the state where following breed of sheep are found.
(a) Lohi (b) Marwari
Q.23 Five solutions have been labelled as A, B, C, D and E. They have been tested with
four indicators- methyl orange, phenolphthalein, blue litmus paper and red litmus
paper. The observations have been recorded in the following table. Think and
answer the questions that follow:       (5)

(i) Which solution is a base?
(ii) Which solution is neutral?
(iii) How many acids have been tested?
(iv) What would be the colour of turmeric paper indicator in solution C?
(v) Which of the following solutions can be used for neutralization?
(a) A and B
(b) C and B
(c) C and D
(d) D and E

SOLUTION       METHYL        PHENOLPHTHALEIN        BLUE            RED
ORANGE             LITMUS      LITMUS
A    red  colourless   red  red
B    red  colourless   red  red
C   yellow       pink   blue  blue
D            orange  colourless   blue  red
E    red  colourless   ¿red  red
Page 4

Section- A (PHYSICS)
Q.1. Fill in the blanks:-            (1)
(iii) 100°C = __________ °F.
(iv) The basic unit of speed is __________.
Q.2. Write two properties of image formed by a plane mirror.     (1)
Q.3. Answer in one word-           (2)
(i) The process involved in the circulation of air through ventilators.
(ii) Device used in vehicles which shows the distance covered.
Q.4. Define: (i) Convergent beam of light.       (2)
(ii) Amplitude of a pendulum.
Q.5. Identify the type of motion represented by the following graphs-   (2)
(i)  (ii)

Q.6. (i) Define time period of a simple pendulum.          (2)
(ii) If a pendulum completes 50 oscillation in 25 seconds. Find its time period.

Q.7. (i)  Define uniform motion.           (3)
(ii) A body covers a distance of 40 km in 20 minutes. Calculate the speed in km/ h.
Q.8. (i)  State the two laws of reflection of light.         (3)
(ii) Identify A and B in the following diagram and define them.

t
S
S
t
A
B

Q.9. Give reason -          (3)
(i) Why does sea breeze occur during day time?
(ii) Why do we wear light coloured clothes in summers and dark coloured clothes
in winters?

Q.10. Medical vans used to transport patients to hospital has words “            ”
inscripted on it. Name the phenomenon associated and explain.    (3)

Q.11. (i) Plot the distance time graph for the following data.      (5)
Time (h)  0 2 4 6 8
Distance (km) 0 3 6 9 12

(ii)With the help of graph, identify the type of motion.
(iii)Calculate the speed of car when time was 4h.

Section- B (CHEMISTRY)

Q.12 Chemical formula of Nitric acid is         (1)
(i) HCl
(ii) NaCl
(iii) HNO
3

(iv) NH
4
OH
Q.13 Which one is not an indicator?        (1)
(i) Methyl orange
(ii) Litmus
(iii) Acetic acid
(iv) Phenolphthalein
Q.14 Hosiery wool is obtained from which breed of      (1)
(ii) Lohi
(iii) Nali
(iv) Marwari
Q.15 When is „World Water Day? celebrated?      (1)
(i) 23
rd
March
(ii) 22
nd
March
(iii) 22
nd
May
(iv) 22
nd
July

Q.16 (i) Why ice cubes float on water?       (2)
(ii)Name the chemical constituents of water.
Q.17 Name the two  processes which takes place in the water cycle.     (2)
Q.18 (i) What is the scientific name of „Mulberry tree??      (2)
(ii)Draw well labelled diagram for life cycle of silk moth.
Q.19 (i) Name the bacteria responsible for sorter?s disease.     (2)
(ii)What is the removal of hair from sheep called?

(iii)Define selective breeding.
Q.20 (i) Name natural source of litmus.        (3)
(ii)Complete the following equation:
Calcium hydroxide + Hydrochloric acid
____________ + ____________ + ____________

(iii)Why does a turmeric stain on a white shirt turn red when washed with a soap?
Q.21 (i) Where does underground water come from?      (3)

(ii)Explain two ways which can help in increasing the water table.
Q.22 (i) Why is a sheep dipped in an antiseptic solution soon after shearing?  (3)
(ii)Why do animals living in cold region have a thick coat of hair?
(iii)Name the state where following breed of sheep are found.
(a) Lohi (b) Marwari
Q.23 Five solutions have been labelled as A, B, C, D and E. They have been tested with
four indicators- methyl orange, phenolphthalein, blue litmus paper and red litmus
paper. The observations have been recorded in the following table. Think and
answer the questions that follow:       (5)

(i) Which solution is a base?
(ii) Which solution is neutral?
(iii) How many acids have been tested?
(iv) What would be the colour of turmeric paper indicator in solution C?
(v) Which of the following solutions can be used for neutralization?
(a) A and B
(b) C and B
(c) C and D
(d) D and E

SOLUTION       METHYL        PHENOLPHTHALEIN        BLUE            RED
ORANGE             LITMUS      LITMUS
A    red  colourless   red  red
B    red  colourless   red  red
C   yellow       pink   blue  blue
D            orange  colourless   blue  red
E    red  colourless   ¿red  red

Section- C [27]
(BIOLOGY)
Q.24. In which of the following, photosynthesis will not occur:-    (1)
(i) Green leaves
(ii) Red leaves
(iii) Cactus stem
(iv) Cactus leaves
Q.25. The first set of teeth in humans are called:-       (1)
(i) Milk teeth
(ii) Permanent teeth
(iii) Incisors
(iv) Canines
Q.26. The widest part of alimentary canal is:-       (1)
(v) Buccal cavity
(vi) Oesophagus
(vii) Stomach
(viii) Small intestine
Q.27. The process of breakdown of food to release energy (Respiration) occurs in:- (1)
(i) Lungs
(ii) Small intestine
(iii) Blood
(iv) Cells
Q.28. When you are active/ exercising, you breathe:-      (1)
(i) Faster
(ii) Slower
(iii) No change in breathing rate
(iv) Depends on the age of person
Q.29. Name one tropical and one polar animal which has „thick skin?. How is it helpful in
each case?            (2)

Q.30. Why do we get muscular cramps after heavy exercise?     (2)
Q.31. Write the equation for aerobic respiration.       (2)
Q.32. Write any two adaptations of elephants to tropical rainforest.    (2)
Q.33. (i) Write two features which help polar bear to swim in water.    (3)
(ii)Why do penguins huddle together?
Q.34. (i) Name one organ of digestive system, in which:-      (3)
(i) only digestion occurs
(ii) both ingestion and digestion occur
(ii)Write one function of:-
(i) HCl in stomach (ii) Villi
Page 5

Section- A (PHYSICS)
Q.1. Fill in the blanks:-            (1)
(iii) 100°C = __________ °F.
(iv) The basic unit of speed is __________.
Q.2. Write two properties of image formed by a plane mirror.     (1)
Q.3. Answer in one word-           (2)
(i) The process involved in the circulation of air through ventilators.
(ii) Device used in vehicles which shows the distance covered.
Q.4. Define: (i) Convergent beam of light.       (2)
(ii) Amplitude of a pendulum.
Q.5. Identify the type of motion represented by the following graphs-   (2)
(i)  (ii)

Q.6. (i) Define time period of a simple pendulum.          (2)
(ii) If a pendulum completes 50 oscillation in 25 seconds. Find its time period.

Q.7. (i)  Define uniform motion.           (3)
(ii) A body covers a distance of 40 km in 20 minutes. Calculate the speed in km/ h.
Q.8. (i)  State the two laws of reflection of light.         (3)
(ii) Identify A and B in the following diagram and define them.

t
S
S
t
A
B

Q.9. Give reason -          (3)
(i) Why does sea breeze occur during day time?
(ii) Why do we wear light coloured clothes in summers and dark coloured clothes
in winters?

Q.10. Medical vans used to transport patients to hospital has words “            ”
inscripted on it. Name the phenomenon associated and explain.    (3)

Q.11. (i) Plot the distance time graph for the following data.      (5)
Time (h)  0 2 4 6 8
Distance (km) 0 3 6 9 12

(ii)With the help of graph, identify the type of motion.
(iii)Calculate the speed of car when time was 4h.

Section- B (CHEMISTRY)

Q.12 Chemical formula of Nitric acid is         (1)
(i) HCl
(ii) NaCl
(iii) HNO
3

(iv) NH
4
OH
Q.13 Which one is not an indicator?        (1)
(i) Methyl orange
(ii) Litmus
(iii) Acetic acid
(iv) Phenolphthalein
Q.14 Hosiery wool is obtained from which breed of      (1)
(ii) Lohi
(iii) Nali
(iv) Marwari
Q.15 When is „World Water Day? celebrated?      (1)
(i) 23
rd
March
(ii) 22
nd
March
(iii) 22
nd
May
(iv) 22
nd
July

Q.16 (i) Why ice cubes float on water?       (2)
(ii)Name the chemical constituents of water.
Q.17 Name the two  processes which takes place in the water cycle.     (2)
Q.18 (i) What is the scientific name of „Mulberry tree??      (2)
(ii)Draw well labelled diagram for life cycle of silk moth.
Q.19 (i) Name the bacteria responsible for sorter?s disease.     (2)
(ii)What is the removal of hair from sheep called?

(iii)Define selective breeding.
Q.20 (i) Name natural source of litmus.        (3)
(ii)Complete the following equation:
Calcium hydroxide + Hydrochloric acid
____________ + ____________ + ____________

(iii)Why does a turmeric stain on a white shirt turn red when washed with a soap?
Q.21 (i) Where does underground water come from?      (3)

(ii)Explain two ways which can help in increasing the water table.
Q.22 (i) Why is a sheep dipped in an antiseptic solution soon after shearing?  (3)
(ii)Why do animals living in cold region have a thick coat of hair?
(iii)Name the state where following breed of sheep are found.
(a) Lohi (b) Marwari
Q.23 Five solutions have been labelled as A, B, C, D and E. They have been tested with
four indicators- methyl orange, phenolphthalein, blue litmus paper and red litmus
paper. The observations have been recorded in the following table. Think and
answer the questions that follow:       (5)

(i) Which solution is a base?
(ii) Which solution is neutral?
(iii) How many acids have been tested?
(iv) What would be the colour of turmeric paper indicator in solution C?
(v) Which of the following solutions can be used for neutralization?
(a) A and B
(b) C and B
(c) C and D
(d) D and E

SOLUTION       METHYL        PHENOLPHTHALEIN        BLUE            RED
ORANGE             LITMUS      LITMUS
A    red  colourless   red  red
B    red  colourless   red  red
C   yellow       pink   blue  blue
D            orange  colourless   blue  red
E    red  colourless   ¿red  red

Section- C [27]
(BIOLOGY)
Q.24. In which of the following, photosynthesis will not occur:-    (1)
(i) Green leaves
(ii) Red leaves
(iii) Cactus stem
(iv) Cactus leaves
Q.25. The first set of teeth in humans are called:-       (1)
(i) Milk teeth
(ii) Permanent teeth
(iii) Incisors
(iv) Canines
Q.26. The widest part of alimentary canal is:-       (1)
(v) Buccal cavity
(vi) Oesophagus
(vii) Stomach
(viii) Small intestine
Q.27. The process of breakdown of food to release energy (Respiration) occurs in:- (1)
(i) Lungs
(ii) Small intestine
(iii) Blood
(iv) Cells
Q.28. When you are active/ exercising, you breathe:-      (1)
(i) Faster
(ii) Slower
(iii) No change in breathing rate
(iv) Depends on the age of person
Q.29. Name one tropical and one polar animal which has „thick skin?. How is it helpful in
each case?            (2)

Q.30. Why do we get muscular cramps after heavy exercise?     (2)
Q.31. Write the equation for aerobic respiration.       (2)
Q.32. Write any two adaptations of elephants to tropical rainforest.    (2)
Q.33. (i) Write two features which help polar bear to swim in water.    (3)
(ii)Why do penguins huddle together?
Q.34. (i) Name one organ of digestive system, in which:-      (3)
(i) only digestion occurs
(ii) both ingestion and digestion occur
(ii)Write one function of:-
(i) HCl in stomach (ii) Villi

Q.35. Name the plant which shows both auto tropic and heterotrophic mode of nutrition.
Why do they do so? Draw it and label its parts.      (3)
Q.36. (i) Name the elements which form carbohydrates.      (5)
(ii)Which component of food:-
(c) can be made from same elements
(d) cannot be made using same elements
(iii)Name one animal:-
(a) Which can digest cellulose found in grass
(b) Which cannot digest cellulose
(iv)How is cellulose digested?
(v) Correct the statement:-
„Respiration is a part of breathing?
==============================================
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