Sample Paper - 9, Science, Class 7 Class 7 Notes | EduRev

Science Class 7

Class 7 : Sample Paper - 9, Science, Class 7 Class 7 Notes | EduRev

 Page 1


                                                      
                                 
  
 
Section- A (PHYSICS) 
Q.1. Fill in the blanks:-            (1) 
(i) 0°C = __________ °F. 
(ii) The basic unit of time is __________. 
Q.2. Write the two methods which were used in early time to measure time.   (1) 
Q.3. Answer in one word-            (2) 
(i) The process involved with the rise of mercury when clinical thermometer is 
kept under tongue. 
(ii) The resting position of the bob of pendulum. 
Q.4. Define: (i) Divergent beam of light.       (2) 
   (ii) Time period of a pendulum. 
Q.5. Identify the type of motion represented by the following graphs-   (2) 
(i)  (ii)  
 
 
 
 
 
 
Q.6. (i) Define the term “oscillation” for a simple pendulum.      (2) 
(ii) If a pendulum completes 40 oscillation in 20 seconds. Find its time period. 
 
 
Q.7. (i)  Define non- uniform motion.       (3) 
(ii) A body covers a distance of 50 km in 15 minutes. Calculate the speed in km/ h. 
Q.8. (i)  Differentiate between real and virtual images.      (3) 
 (ii) Identify A and B in the following diagram and define them. 
 
t 
S 
Page 2


                                                      
                                 
  
 
Section- A (PHYSICS) 
Q.1. Fill in the blanks:-            (1) 
(i) 0°C = __________ °F. 
(ii) The basic unit of time is __________. 
Q.2. Write the two methods which were used in early time to measure time.   (1) 
Q.3. Answer in one word-            (2) 
(i) The process involved with the rise of mercury when clinical thermometer is 
kept under tongue. 
(ii) The resting position of the bob of pendulum. 
Q.4. Define: (i) Divergent beam of light.       (2) 
   (ii) Time period of a pendulum. 
Q.5. Identify the type of motion represented by the following graphs-   (2) 
(i)  (ii)  
 
 
 
 
 
 
Q.6. (i) Define the term “oscillation” for a simple pendulum.      (2) 
(ii) If a pendulum completes 40 oscillation in 20 seconds. Find its time period. 
 
 
Q.7. (i)  Define non- uniform motion.       (3) 
(ii) A body covers a distance of 50 km in 15 minutes. Calculate the speed in km/ h. 
Q.8. (i)  Differentiate between real and virtual images.      (3) 
 (ii) Identify A and B in the following diagram and define them. 
 
t 
S 
                                                      
                                 
  
 
 
 
 
Q.9. Give reason -          (3) 
(i) Why does land breeze occur during night time? 
(ii) Why do we wear light coloured clothes in summers and dark coloured clothes 
in winter? 
  
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 8 9 13 
 
 
(ii) With the help of graph, identify the type of motion. 
(iii)Calculate the speed of car when time was 4h. 
 
Section- B (CHEMISTRY) (26) 
 
Q.14 Tartaric acid is present in __________        (1) 
Q.15 Carpet wool is obtained from which breed of sheep.     (1) 
(i) Nali 
(ii) Lohi 
(iii) Marwari 
(iv) Bakharwal 
Q.16 Chemical formula of Sulphuric acid is       (1) 
(i) HSO
4
 
(ii) H
2
SO
3
 
(iii) H
2
SO
4
 
(iv) K
2
SO
4
 
Q.17 When is „World Water Day? celebrated?      (1) 
(i) 23
rd
 March 
(ii) 22
nd
 March 
(iii) 22
nd
 May 
(iv) 22
nd
 July 
 
Q.18 (i) How does aquifers get recharged?       (2) 
(ii)Name two water borne diseases.  
Q.19 (i) Define shearing.          (2) 
(ii)Why shearing does not hurt the sheep? 
Page 3


                                                      
                                 
  
 
Section- A (PHYSICS) 
Q.1. Fill in the blanks:-            (1) 
(i) 0°C = __________ °F. 
(ii) The basic unit of time is __________. 
Q.2. Write the two methods which were used in early time to measure time.   (1) 
Q.3. Answer in one word-            (2) 
(i) The process involved with the rise of mercury when clinical thermometer is 
kept under tongue. 
(ii) The resting position of the bob of pendulum. 
Q.4. Define: (i) Divergent beam of light.       (2) 
   (ii) Time period of a pendulum. 
Q.5. Identify the type of motion represented by the following graphs-   (2) 
(i)  (ii)  
 
 
 
 
 
 
Q.6. (i) Define the term “oscillation” for a simple pendulum.      (2) 
(ii) If a pendulum completes 40 oscillation in 20 seconds. Find its time period. 
 
 
Q.7. (i)  Define non- uniform motion.       (3) 
(ii) A body covers a distance of 50 km in 15 minutes. Calculate the speed in km/ h. 
Q.8. (i)  Differentiate between real and virtual images.      (3) 
 (ii) Identify A and B in the following diagram and define them. 
 
t 
S 
                                                      
                                 
  
 
 
 
 
Q.9. Give reason -          (3) 
(i) Why does land breeze occur during night time? 
(ii) Why do we wear light coloured clothes in summers and dark coloured clothes 
in winter? 
  
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 8 9 13 
 
 
(ii) With the help of graph, identify the type of motion. 
(iii)Calculate the speed of car when time was 4h. 
 
Section- B (CHEMISTRY) (26) 
 
Q.14 Tartaric acid is present in __________        (1) 
Q.15 Carpet wool is obtained from which breed of sheep.     (1) 
(i) Nali 
(ii) Lohi 
(iii) Marwari 
(iv) Bakharwal 
Q.16 Chemical formula of Sulphuric acid is       (1) 
(i) HSO
4
 
(ii) H
2
SO
3
 
(iii) H
2
SO
4
 
(iv) K
2
SO
4
 
Q.17 When is „World Water Day? celebrated?      (1) 
(i) 23
rd
 March 
(ii) 22
nd
 March 
(iii) 22
nd
 May 
(iv) 22
nd
 July 
 
Q.18 (i) How does aquifers get recharged?       (2) 
(ii)Name two water borne diseases.  
Q.19 (i) Define shearing.          (2) 
(ii)Why shearing does not hurt the sheep? 
                                                      
                                 
  
Q.20 (i)  Draw a flow chart to show production of silk from silk moth.   (2) 
(ii)Which microorganism is responsible for causing a fatal blood disease called  
 sorter?s disease? 
 
Q.21 Name and define two processes that take place in the water cycle.   (2) 
Q.22 (i) Complete the following equation:        (3) 
 Potassium hydroxide + Sulpheric acid  
 ____________ + ____________ + ____________ 
(ii) Encircle the odd- one out. Give reasons for your choice. 
 Milk of magnesia, Sodium bi carbonate solution, Soap solution, Sugar 
 solution. 
Q.23 (i)  Name two types of silk.       (1+ 1+ ½+ ½) 
(ii) Why do wool- yielding animals have thick fur? 
(iii) What name is given to the hair of sheep? 
(iv) Write the scientific name of Mulberry tree. 
Q.24 (i)  Why ice cubes float on water?          (1 +1 +1) 
(ii) Name the chemical constituents of water. 
(iii)Define water table. 
 
Q.25 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 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 
(ii) What would be the colour of turmeric paper indicator in solution C? 
(iii) How many acids have been tested? 
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) 
(i) 0°C = __________ °F. 
(ii) The basic unit of time is __________. 
Q.2. Write the two methods which were used in early time to measure time.   (1) 
Q.3. Answer in one word-            (2) 
(i) The process involved with the rise of mercury when clinical thermometer is 
kept under tongue. 
(ii) The resting position of the bob of pendulum. 
Q.4. Define: (i) Divergent beam of light.       (2) 
   (ii) Time period of a pendulum. 
Q.5. Identify the type of motion represented by the following graphs-   (2) 
(i)  (ii)  
 
 
 
 
 
 
Q.6. (i) Define the term “oscillation” for a simple pendulum.      (2) 
(ii) If a pendulum completes 40 oscillation in 20 seconds. Find its time period. 
 
 
Q.7. (i)  Define non- uniform motion.       (3) 
(ii) A body covers a distance of 50 km in 15 minutes. Calculate the speed in km/ h. 
Q.8. (i)  Differentiate between real and virtual images.      (3) 
 (ii) Identify A and B in the following diagram and define them. 
 
t 
S 
                                                      
                                 
  
 
 
 
 
Q.9. Give reason -          (3) 
(i) Why does land breeze occur during night time? 
(ii) Why do we wear light coloured clothes in summers and dark coloured clothes 
in winter? 
  
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 8 9 13 
 
 
(ii) With the help of graph, identify the type of motion. 
(iii)Calculate the speed of car when time was 4h. 
 
Section- B (CHEMISTRY) (26) 
 
Q.14 Tartaric acid is present in __________        (1) 
Q.15 Carpet wool is obtained from which breed of sheep.     (1) 
(i) Nali 
(ii) Lohi 
(iii) Marwari 
(iv) Bakharwal 
Q.16 Chemical formula of Sulphuric acid is       (1) 
(i) HSO
4
 
(ii) H
2
SO
3
 
(iii) H
2
SO
4
 
(iv) K
2
SO
4
 
Q.17 When is „World Water Day? celebrated?      (1) 
(i) 23
rd
 March 
(ii) 22
nd
 March 
(iii) 22
nd
 May 
(iv) 22
nd
 July 
 
Q.18 (i) How does aquifers get recharged?       (2) 
(ii)Name two water borne diseases.  
Q.19 (i) Define shearing.          (2) 
(ii)Why shearing does not hurt the sheep? 
                                                      
                                 
  
Q.20 (i)  Draw a flow chart to show production of silk from silk moth.   (2) 
(ii)Which microorganism is responsible for causing a fatal blood disease called  
 sorter?s disease? 
 
Q.21 Name and define two processes that take place in the water cycle.   (2) 
Q.22 (i) Complete the following equation:        (3) 
 Potassium hydroxide + Sulpheric acid  
 ____________ + ____________ + ____________ 
(ii) Encircle the odd- one out. Give reasons for your choice. 
 Milk of magnesia, Sodium bi carbonate solution, Soap solution, Sugar 
 solution. 
Q.23 (i)  Name two types of silk.       (1+ 1+ ½+ ½) 
(ii) Why do wool- yielding animals have thick fur? 
(iii) What name is given to the hair of sheep? 
(iv) Write the scientific name of Mulberry tree. 
Q.24 (i)  Why ice cubes float on water?          (1 +1 +1) 
(ii) Name the chemical constituents of water. 
(iii)Define water table. 
 
Q.25 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 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 
(ii) What would be the colour of turmeric paper indicator in solution C? 
(iii) How many acids have been tested? 
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 
                                                      
                                 
  
(iv) Which solution is neutral? 
(v) Which solution is a base? 
      
     Section- C [27] 
    (BIOLOGY) 
Q.1. During photosynthesis, light energy helps to combine:-    (1) 
(i) Carbohydrate + Oxygen 
(ii) Oxygen + Water 
(iii) Carbohydrate + Water 
(iv) Carbon dioxide + Water 
Q.2. The piercing & tearing teeth are:-        (1) 
(i) Milk teeth 
(ii) Permanent teeth 
(iii) Incisors 
(iv) Canines 
Q.3. The digestion of starch into sugar occurs in:-      (1) 
(i) Buccal cavity 
(ii) Oesophagus 
(iii) Stomach 
(iv) Small intestine 
Q.4. In humans, breathing involves movement of:-     (1) 
(i) Lungs & rib- cage 
(ii) Lungs & diaphragm 
(iii) Rib- cage and diaphragm 
(iv) Nasal cavity and trachea 
Q.5. When you are sleepy or drowsy, you breathe:-      (1) 
(i) Faster 
(ii) Slower 
(iii) No change in breathing rate 
(iv) Depends on the age of person 
Q.6. Name one tropical and one polar animal each which has skin colour which help it to 
 blend with its surrounding. What is the term given to above adaptation and how is 
 it helpful to the animals?         (2) 
 
 
Q.7. Why do we get relief from cramps after hot water bath/ massage?   (2) 
Q.8. Write the equation for anaerobic respiration in yeast.    (2) 
Q.9. Name all the elements of weather.        (2) 
Q.10. (i) Write two features of penguins which help them to swim in water.   (3) 
(ii)Why do polar bears have strong sense of smell? 
Q.11. (i) Name one organ of digestive system, in which:-      (3) 
(a) both digestion and absorption occur 
(b) Egestion occur 
Page 5


                                                      
                                 
  
 
Section- A (PHYSICS) 
Q.1. Fill in the blanks:-            (1) 
(i) 0°C = __________ °F. 
(ii) The basic unit of time is __________. 
Q.2. Write the two methods which were used in early time to measure time.   (1) 
Q.3. Answer in one word-            (2) 
(i) The process involved with the rise of mercury when clinical thermometer is 
kept under tongue. 
(ii) The resting position of the bob of pendulum. 
Q.4. Define: (i) Divergent beam of light.       (2) 
   (ii) Time period of a pendulum. 
Q.5. Identify the type of motion represented by the following graphs-   (2) 
(i)  (ii)  
 
 
 
 
 
 
Q.6. (i) Define the term “oscillation” for a simple pendulum.      (2) 
(ii) If a pendulum completes 40 oscillation in 20 seconds. Find its time period. 
 
 
Q.7. (i)  Define non- uniform motion.       (3) 
(ii) A body covers a distance of 50 km in 15 minutes. Calculate the speed in km/ h. 
Q.8. (i)  Differentiate between real and virtual images.      (3) 
 (ii) Identify A and B in the following diagram and define them. 
 
t 
S 
                                                      
                                 
  
 
 
 
 
Q.9. Give reason -          (3) 
(i) Why does land breeze occur during night time? 
(ii) Why do we wear light coloured clothes in summers and dark coloured clothes 
in winter? 
  
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 8 9 13 
 
 
(ii) With the help of graph, identify the type of motion. 
(iii)Calculate the speed of car when time was 4h. 
 
Section- B (CHEMISTRY) (26) 
 
Q.14 Tartaric acid is present in __________        (1) 
Q.15 Carpet wool is obtained from which breed of sheep.     (1) 
(i) Nali 
(ii) Lohi 
(iii) Marwari 
(iv) Bakharwal 
Q.16 Chemical formula of Sulphuric acid is       (1) 
(i) HSO
4
 
(ii) H
2
SO
3
 
(iii) H
2
SO
4
 
(iv) K
2
SO
4
 
Q.17 When is „World Water Day? celebrated?      (1) 
(i) 23
rd
 March 
(ii) 22
nd
 March 
(iii) 22
nd
 May 
(iv) 22
nd
 July 
 
Q.18 (i) How does aquifers get recharged?       (2) 
(ii)Name two water borne diseases.  
Q.19 (i) Define shearing.          (2) 
(ii)Why shearing does not hurt the sheep? 
                                                      
                                 
  
Q.20 (i)  Draw a flow chart to show production of silk from silk moth.   (2) 
(ii)Which microorganism is responsible for causing a fatal blood disease called  
 sorter?s disease? 
 
Q.21 Name and define two processes that take place in the water cycle.   (2) 
Q.22 (i) Complete the following equation:        (3) 
 Potassium hydroxide + Sulpheric acid  
 ____________ + ____________ + ____________ 
(ii) Encircle the odd- one out. Give reasons for your choice. 
 Milk of magnesia, Sodium bi carbonate solution, Soap solution, Sugar 
 solution. 
Q.23 (i)  Name two types of silk.       (1+ 1+ ½+ ½) 
(ii) Why do wool- yielding animals have thick fur? 
(iii) What name is given to the hair of sheep? 
(iv) Write the scientific name of Mulberry tree. 
Q.24 (i)  Why ice cubes float on water?          (1 +1 +1) 
(ii) Name the chemical constituents of water. 
(iii)Define water table. 
 
Q.25 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 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 
(ii) What would be the colour of turmeric paper indicator in solution C? 
(iii) How many acids have been tested? 
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 
                                                      
                                 
  
(iv) Which solution is neutral? 
(v) Which solution is a base? 
      
     Section- C [27] 
    (BIOLOGY) 
Q.1. During photosynthesis, light energy helps to combine:-    (1) 
(i) Carbohydrate + Oxygen 
(ii) Oxygen + Water 
(iii) Carbohydrate + Water 
(iv) Carbon dioxide + Water 
Q.2. The piercing & tearing teeth are:-        (1) 
(i) Milk teeth 
(ii) Permanent teeth 
(iii) Incisors 
(iv) Canines 
Q.3. The digestion of starch into sugar occurs in:-      (1) 
(i) Buccal cavity 
(ii) Oesophagus 
(iii) Stomach 
(iv) Small intestine 
Q.4. In humans, breathing involves movement of:-     (1) 
(i) Lungs & rib- cage 
(ii) Lungs & diaphragm 
(iii) Rib- cage and diaphragm 
(iv) Nasal cavity and trachea 
Q.5. When you are sleepy or drowsy, you breathe:-      (1) 
(i) Faster 
(ii) Slower 
(iii) No change in breathing rate 
(iv) Depends on the age of person 
Q.6. Name one tropical and one polar animal each which has skin colour which help it to 
 blend with its surrounding. What is the term given to above adaptation and how is 
 it helpful to the animals?         (2) 
 
 
Q.7. Why do we get relief from cramps after hot water bath/ massage?   (2) 
Q.8. Write the equation for anaerobic respiration in yeast.    (2) 
Q.9. Name all the elements of weather.        (2) 
Q.10. (i) Write two features of penguins which help them to swim in water.   (3) 
(ii)Why do polar bears have strong sense of smell? 
Q.11. (i) Name one organ of digestive system, in which:-      (3) 
(a) both digestion and absorption occur 
(b) Egestion occur 
                                                      
                                 
  
 (ii)Write one function of:- 
(a) Mucous in stomach 
(b) Bile juice 
Q.12. Name, draw and label one saprotrophic plant. While feeding on rotten material, 
what does this plant:-          (3) 
(v) secretes into rotten material 
(vi) absorbs from rotten material 
Q.13. (i) Which component of food are plants not able to make from carbohydrates   
  synthesized during photosynthesis and why?      (5) 
 
(ii) What are cud- chewing animals called? In which part of their stomach:- 
(a) the quickly- swallowed food is stored 
(b) the cellulose of grass is digested 
(iii) What is breathing rate? 
============================================== 
 
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