Science Past Year Paper SA-1(Set -5) - 2016, Class 10, CBSE Class 10 Notes | EduRev

Past Year Papers For Class 10

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Class 10 : Science Past Year Paper SA-1(Set -5) - 2016, Class 10, CBSE Class 10 Notes | EduRev

 Page 1


 
 
 
 
PRE-SAI(2016) 
Class-X 
SUB: SCIENCE  
     
Time Allowed : 3 hours          Maximum Marks: 90 
 
General Instructions: 
Q No.  1 to 3  carry 1 marks (answer in one word or  one sentence) 
Q No.  4 to 6  carry 2 marks (answer in about 30 words) 
Q No.  7 to  18  carry 3 marks (answer in about 50 words) 
Q No.  19  to 24  carry 5 marks (answer in about 70 words) 
Q No.  25 to 33  MCQ based questions on practical skill, each question obtain one marks 
Q No.  34 to 36 carry 2 marks and based on practical skill. (answer in about 30 words) 
 
SECTION :- A 
 
Q.1 What is mike of magnesia?  It is a strong or mild base? 
 
Q.2 Where bile is stored? 
 
Q.3 Define the term ‘nuclear fission’? 
 
Q.4 Balance the following chemical equation:- 
 a) 
2 3 2
  + N Mg Mg N ?  
 b) 
2 3
    + Al Cl AlCl ?  
 
Q.5 List factor on which resistance of conductor depends. 
 
Q.6 Explain how the human body responds when adrenaline is secreted into the blood. 
 
Q.7 a) write the chemical equation:- 
 (i) When carbon dioxide gas is passed through lime water. 
 (ii) When excess of carbon dioxide is passes through lime water. 
 b) Give two diff forms of 
3
CaCO  
 
Q.8 Define the following term:- 
 (i) Corrosion 
 (b) Rusting 
 (c) Rancidity 
 
Q.9 (a) Show the formation of 
2
Na O  by transfer of electron b/w the combining atoms.  
 (b) Why are it that ionic compounds usually hard? 
Page 2


 
 
 
 
PRE-SAI(2016) 
Class-X 
SUB: SCIENCE  
     
Time Allowed : 3 hours          Maximum Marks: 90 
 
General Instructions: 
Q No.  1 to 3  carry 1 marks (answer in one word or  one sentence) 
Q No.  4 to 6  carry 2 marks (answer in about 30 words) 
Q No.  7 to  18  carry 3 marks (answer in about 50 words) 
Q No.  19  to 24  carry 5 marks (answer in about 70 words) 
Q No.  25 to 33  MCQ based questions on practical skill, each question obtain one marks 
Q No.  34 to 36 carry 2 marks and based on practical skill. (answer in about 30 words) 
 
SECTION :- A 
 
Q.1 What is mike of magnesia?  It is a strong or mild base? 
 
Q.2 Where bile is stored? 
 
Q.3 Define the term ‘nuclear fission’? 
 
Q.4 Balance the following chemical equation:- 
 a) 
2 3 2
  + N Mg Mg N ?  
 b) 
2 3
    + Al Cl AlCl ?  
 
Q.5 List factor on which resistance of conductor depends. 
 
Q.6 Explain how the human body responds when adrenaline is secreted into the blood. 
 
Q.7 a) write the chemical equation:- 
 (i) When carbon dioxide gas is passed through lime water. 
 (ii) When excess of carbon dioxide is passes through lime water. 
 b) Give two diff forms of 
3
CaCO  
 
Q.8 Define the following term:- 
 (i) Corrosion 
 (b) Rusting 
 (c) Rancidity 
 
Q.9 (a) Show the formation of 
2
Na O  by transfer of electron b/w the combining atoms.  
 (b) Why are it that ionic compounds usually hard? 
 
 
 
 
 (c) How is it that ionic compound in the solid state do not conduct electricity and they do so 
when in molten state? 
 
Q.10‘Sweet tooth’ may lead to tooth decay.  Explain why? What is the role of toothpaste in    
preventing cavities? 
 
Q.11 Draw a net and clean diagram of sectional view of HUMAN HEART and label its:- 
 (i) Pulmonary artery 
 (ii) Pulmonary vein 
 (iii) Septum 
 
Q. 12 (a) Name the plant growth hormone which is synthesized at shoot tip. 
  (b) Explain with the help of diagram why does a plant bend towards light during growth? 
 
Q. 13 Explain the location and function of following glands:- 
  (i) Thyroid gland 
  (ii)Pituitary gland 
  (iii) Adrenal gland. 
 
Q.14 Calculate the amount of heat generated while transferring 90000 C of charge b/w the two 
terminals of a battery of 40 V in one hour.  Also determine the power expended in the  
process. 
 
Q. 15 In the given circuit, calculate:- 
 (i) The total resistance of the circuit. 
 (ii) Current flowing through the circuit. 
 (iii)Potential difference across the lamp and resistor 
 
 Circuit :- 
 
  
Q. 16 Draw the pattern of magnetic field lines around a current carrying straight conductor.  
How does the strength of the magnetic field produced change :- 
 (i) With the distance from the conductor. 
 (ii) With an increase in current in a conductor. 
  
Page 3


 
 
 
 
PRE-SAI(2016) 
Class-X 
SUB: SCIENCE  
     
Time Allowed : 3 hours          Maximum Marks: 90 
 
General Instructions: 
Q No.  1 to 3  carry 1 marks (answer in one word or  one sentence) 
Q No.  4 to 6  carry 2 marks (answer in about 30 words) 
Q No.  7 to  18  carry 3 marks (answer in about 50 words) 
Q No.  19  to 24  carry 5 marks (answer in about 70 words) 
Q No.  25 to 33  MCQ based questions on practical skill, each question obtain one marks 
Q No.  34 to 36 carry 2 marks and based on practical skill. (answer in about 30 words) 
 
SECTION :- A 
 
Q.1 What is mike of magnesia?  It is a strong or mild base? 
 
Q.2 Where bile is stored? 
 
Q.3 Define the term ‘nuclear fission’? 
 
Q.4 Balance the following chemical equation:- 
 a) 
2 3 2
  + N Mg Mg N ?  
 b) 
2 3
    + Al Cl AlCl ?  
 
Q.5 List factor on which resistance of conductor depends. 
 
Q.6 Explain how the human body responds when adrenaline is secreted into the blood. 
 
Q.7 a) write the chemical equation:- 
 (i) When carbon dioxide gas is passed through lime water. 
 (ii) When excess of carbon dioxide is passes through lime water. 
 b) Give two diff forms of 
3
CaCO  
 
Q.8 Define the following term:- 
 (i) Corrosion 
 (b) Rusting 
 (c) Rancidity 
 
Q.9 (a) Show the formation of 
2
Na O  by transfer of electron b/w the combining atoms.  
 (b) Why are it that ionic compounds usually hard? 
 
 
 
 
 (c) How is it that ionic compound in the solid state do not conduct electricity and they do so 
when in molten state? 
 
Q.10‘Sweet tooth’ may lead to tooth decay.  Explain why? What is the role of toothpaste in    
preventing cavities? 
 
Q.11 Draw a net and clean diagram of sectional view of HUMAN HEART and label its:- 
 (i) Pulmonary artery 
 (ii) Pulmonary vein 
 (iii) Septum 
 
Q. 12 (a) Name the plant growth hormone which is synthesized at shoot tip. 
  (b) Explain with the help of diagram why does a plant bend towards light during growth? 
 
Q. 13 Explain the location and function of following glands:- 
  (i) Thyroid gland 
  (ii)Pituitary gland 
  (iii) Adrenal gland. 
 
Q.14 Calculate the amount of heat generated while transferring 90000 C of charge b/w the two 
terminals of a battery of 40 V in one hour.  Also determine the power expended in the  
process. 
 
Q. 15 In the given circuit, calculate:- 
 (i) The total resistance of the circuit. 
 (ii) Current flowing through the circuit. 
 (iii)Potential difference across the lamp and resistor 
 
 Circuit :- 
 
  
Q. 16 Draw the pattern of magnetic field lines around a current carrying straight conductor.  
How does the strength of the magnetic field produced change :- 
 (i) With the distance from the conductor. 
 (ii) With an increase in current in a conductor. 
  
 
 
 
 
Q.17 Mr. Kumar visited the newly built bungalow of his friend Mr. Ayush.  There he absorb that 
a big solar geyser was installed on the roof.  Mr. Kumar told his friend that he was unable 
to appreciate why he was miser in spending money on installation of electric  geysers in 
each bathroom.  Mr. Ayush not only explained him the reason rather convinced Mr. 
Kumar too to install one in his house. 
 (a) Explain the value exhibited by Mr. Ayush. 
 (b) List the advantages of solar geyser that convinced Mr. Kumar to adopt it. 
 
Q. 18 Explain nuclear energy and ways to obtain nuclear energy. 
 
Q. 19 (a) When calcium metal is added to water the gas evolved does not catch fire but the the 
same gas evolved on adding potassium metal to water catches fire.  Explain why? 
 (b) Name the metal for each case:- 
 (i) It displaces the hydrogen gas from nitric acid. 
 (ii) It does not react with any physical state of water. 
 (ii) It does not react with any physical state of water. 
 
Q. 20 (a) Drive expressions for equivalent resistance in series and parallel combination of 
resistors. 
 (b) What is the resistance of bulb rated 100V-250V? 
 
Q.21 Explain an activity to show that a current carrying conductor experience a force when 
placed in a magnetic field. 
 
Q. 22 (a) Draw a pattern of magnetic field lines of a current carrying solenoid.  Difference b/w a 
bar magnet and electromagnet.  
 (b) What is overloading? List three precautions that should be taken to avoid overloading 
of domestic electric circuit. 
 
Q.23 (a) Write tree main functions of the nervous system. 
 (b) In the absence of muscle cells how do plant cell show moment? 
 
Q. 24 Study the following cuttent -time graphs from two different sources:- 
  
 
Page 4


 
 
 
 
PRE-SAI(2016) 
Class-X 
SUB: SCIENCE  
     
Time Allowed : 3 hours          Maximum Marks: 90 
 
General Instructions: 
Q No.  1 to 3  carry 1 marks (answer in one word or  one sentence) 
Q No.  4 to 6  carry 2 marks (answer in about 30 words) 
Q No.  7 to  18  carry 3 marks (answer in about 50 words) 
Q No.  19  to 24  carry 5 marks (answer in about 70 words) 
Q No.  25 to 33  MCQ based questions on practical skill, each question obtain one marks 
Q No.  34 to 36 carry 2 marks and based on practical skill. (answer in about 30 words) 
 
SECTION :- A 
 
Q.1 What is mike of magnesia?  It is a strong or mild base? 
 
Q.2 Where bile is stored? 
 
Q.3 Define the term ‘nuclear fission’? 
 
Q.4 Balance the following chemical equation:- 
 a) 
2 3 2
  + N Mg Mg N ?  
 b) 
2 3
    + Al Cl AlCl ?  
 
Q.5 List factor on which resistance of conductor depends. 
 
Q.6 Explain how the human body responds when adrenaline is secreted into the blood. 
 
Q.7 a) write the chemical equation:- 
 (i) When carbon dioxide gas is passed through lime water. 
 (ii) When excess of carbon dioxide is passes through lime water. 
 b) Give two diff forms of 
3
CaCO  
 
Q.8 Define the following term:- 
 (i) Corrosion 
 (b) Rusting 
 (c) Rancidity 
 
Q.9 (a) Show the formation of 
2
Na O  by transfer of electron b/w the combining atoms.  
 (b) Why are it that ionic compounds usually hard? 
 
 
 
 
 (c) How is it that ionic compound in the solid state do not conduct electricity and they do so 
when in molten state? 
 
Q.10‘Sweet tooth’ may lead to tooth decay.  Explain why? What is the role of toothpaste in    
preventing cavities? 
 
Q.11 Draw a net and clean diagram of sectional view of HUMAN HEART and label its:- 
 (i) Pulmonary artery 
 (ii) Pulmonary vein 
 (iii) Septum 
 
Q. 12 (a) Name the plant growth hormone which is synthesized at shoot tip. 
  (b) Explain with the help of diagram why does a plant bend towards light during growth? 
 
Q. 13 Explain the location and function of following glands:- 
  (i) Thyroid gland 
  (ii)Pituitary gland 
  (iii) Adrenal gland. 
 
Q.14 Calculate the amount of heat generated while transferring 90000 C of charge b/w the two 
terminals of a battery of 40 V in one hour.  Also determine the power expended in the  
process. 
 
Q. 15 In the given circuit, calculate:- 
 (i) The total resistance of the circuit. 
 (ii) Current flowing through the circuit. 
 (iii)Potential difference across the lamp and resistor 
 
 Circuit :- 
 
  
Q. 16 Draw the pattern of magnetic field lines around a current carrying straight conductor.  
How does the strength of the magnetic field produced change :- 
 (i) With the distance from the conductor. 
 (ii) With an increase in current in a conductor. 
  
 
 
 
 
Q.17 Mr. Kumar visited the newly built bungalow of his friend Mr. Ayush.  There he absorb that 
a big solar geyser was installed on the roof.  Mr. Kumar told his friend that he was unable 
to appreciate why he was miser in spending money on installation of electric  geysers in 
each bathroom.  Mr. Ayush not only explained him the reason rather convinced Mr. 
Kumar too to install one in his house. 
 (a) Explain the value exhibited by Mr. Ayush. 
 (b) List the advantages of solar geyser that convinced Mr. Kumar to adopt it. 
 
Q. 18 Explain nuclear energy and ways to obtain nuclear energy. 
 
Q. 19 (a) When calcium metal is added to water the gas evolved does not catch fire but the the 
same gas evolved on adding potassium metal to water catches fire.  Explain why? 
 (b) Name the metal for each case:- 
 (i) It displaces the hydrogen gas from nitric acid. 
 (ii) It does not react with any physical state of water. 
 (ii) It does not react with any physical state of water. 
 
Q. 20 (a) Drive expressions for equivalent resistance in series and parallel combination of 
resistors. 
 (b) What is the resistance of bulb rated 100V-250V? 
 
Q.21 Explain an activity to show that a current carrying conductor experience a force when 
placed in a magnetic field. 
 
Q. 22 (a) Draw a pattern of magnetic field lines of a current carrying solenoid.  Difference b/w a 
bar magnet and electromagnet.  
 (b) What is overloading? List three precautions that should be taken to avoid overloading 
of domestic electric circuit. 
 
Q.23 (a) Write tree main functions of the nervous system. 
 (b) In the absence of muscle cells how do plant cell show moment? 
 
Q. 24 Study the following cuttent -time graphs from two different sources:- 
  
 
 
 
 
 
  
 (i) Use above graphs to list two diff. b/w the current in the two cases. 
 (ii) Name the type of current  in two cases. 
 (iii)Identify one source each for these currents. 
 (iv) What is meant by statement that the frequency of current in India in 50 Hz? 
 
     SECTION :- B 
 
Q.25 Guard cell in dicot leaf are:-  
 (i) Bean shaped   
 (ii) Dumble shaped 
 (iii)Cuboidal 
 (iv) Retangular 
 
Q.26 Which of the following is a catabolic process? 
 (i) Respriation 
 (ii) Photosynthesis 
 (iii)Digestion 
 (iv) Both (i) and (ii) 
 
Q.27 Copper metal displace the metal from the solution of:- 
 (i) 
4
FeSO  solution 
 (ii) ZnSO4  solution 
 (iii) Al2(SO4 )3 solution 
 (iv) None of the above. 
 
Q. 28 On mixing solution of barium chloride and sodium sulphate a white precipitate is obtained.  
This reaction can be categorized as :  
 (i) Combination reaction 
 (ii) Decomposition reaction 
 (iii) Double displacement reaction  
 (iv) Displacement reaction 
 
Q. 29 When dil.  HClreacts with Zinc metal the gas liberate is:- 
 (i) Oxygen 
 (ii) Nitrogen 
 (iii) Chlorine 
Page 5


 
 
 
 
PRE-SAI(2016) 
Class-X 
SUB: SCIENCE  
     
Time Allowed : 3 hours          Maximum Marks: 90 
 
General Instructions: 
Q No.  1 to 3  carry 1 marks (answer in one word or  one sentence) 
Q No.  4 to 6  carry 2 marks (answer in about 30 words) 
Q No.  7 to  18  carry 3 marks (answer in about 50 words) 
Q No.  19  to 24  carry 5 marks (answer in about 70 words) 
Q No.  25 to 33  MCQ based questions on practical skill, each question obtain one marks 
Q No.  34 to 36 carry 2 marks and based on practical skill. (answer in about 30 words) 
 
SECTION :- A 
 
Q.1 What is mike of magnesia?  It is a strong or mild base? 
 
Q.2 Where bile is stored? 
 
Q.3 Define the term ‘nuclear fission’? 
 
Q.4 Balance the following chemical equation:- 
 a) 
2 3 2
  + N Mg Mg N ?  
 b) 
2 3
    + Al Cl AlCl ?  
 
Q.5 List factor on which resistance of conductor depends. 
 
Q.6 Explain how the human body responds when adrenaline is secreted into the blood. 
 
Q.7 a) write the chemical equation:- 
 (i) When carbon dioxide gas is passed through lime water. 
 (ii) When excess of carbon dioxide is passes through lime water. 
 b) Give two diff forms of 
3
CaCO  
 
Q.8 Define the following term:- 
 (i) Corrosion 
 (b) Rusting 
 (c) Rancidity 
 
Q.9 (a) Show the formation of 
2
Na O  by transfer of electron b/w the combining atoms.  
 (b) Why are it that ionic compounds usually hard? 
 
 
 
 
 (c) How is it that ionic compound in the solid state do not conduct electricity and they do so 
when in molten state? 
 
Q.10‘Sweet tooth’ may lead to tooth decay.  Explain why? What is the role of toothpaste in    
preventing cavities? 
 
Q.11 Draw a net and clean diagram of sectional view of HUMAN HEART and label its:- 
 (i) Pulmonary artery 
 (ii) Pulmonary vein 
 (iii) Septum 
 
Q. 12 (a) Name the plant growth hormone which is synthesized at shoot tip. 
  (b) Explain with the help of diagram why does a plant bend towards light during growth? 
 
Q. 13 Explain the location and function of following glands:- 
  (i) Thyroid gland 
  (ii)Pituitary gland 
  (iii) Adrenal gland. 
 
Q.14 Calculate the amount of heat generated while transferring 90000 C of charge b/w the two 
terminals of a battery of 40 V in one hour.  Also determine the power expended in the  
process. 
 
Q. 15 In the given circuit, calculate:- 
 (i) The total resistance of the circuit. 
 (ii) Current flowing through the circuit. 
 (iii)Potential difference across the lamp and resistor 
 
 Circuit :- 
 
  
Q. 16 Draw the pattern of magnetic field lines around a current carrying straight conductor.  
How does the strength of the magnetic field produced change :- 
 (i) With the distance from the conductor. 
 (ii) With an increase in current in a conductor. 
  
 
 
 
 
Q.17 Mr. Kumar visited the newly built bungalow of his friend Mr. Ayush.  There he absorb that 
a big solar geyser was installed on the roof.  Mr. Kumar told his friend that he was unable 
to appreciate why he was miser in spending money on installation of electric  geysers in 
each bathroom.  Mr. Ayush not only explained him the reason rather convinced Mr. 
Kumar too to install one in his house. 
 (a) Explain the value exhibited by Mr. Ayush. 
 (b) List the advantages of solar geyser that convinced Mr. Kumar to adopt it. 
 
Q. 18 Explain nuclear energy and ways to obtain nuclear energy. 
 
Q. 19 (a) When calcium metal is added to water the gas evolved does not catch fire but the the 
same gas evolved on adding potassium metal to water catches fire.  Explain why? 
 (b) Name the metal for each case:- 
 (i) It displaces the hydrogen gas from nitric acid. 
 (ii) It does not react with any physical state of water. 
 (ii) It does not react with any physical state of water. 
 
Q. 20 (a) Drive expressions for equivalent resistance in series and parallel combination of 
resistors. 
 (b) What is the resistance of bulb rated 100V-250V? 
 
Q.21 Explain an activity to show that a current carrying conductor experience a force when 
placed in a magnetic field. 
 
Q. 22 (a) Draw a pattern of magnetic field lines of a current carrying solenoid.  Difference b/w a 
bar magnet and electromagnet.  
 (b) What is overloading? List three precautions that should be taken to avoid overloading 
of domestic electric circuit. 
 
Q.23 (a) Write tree main functions of the nervous system. 
 (b) In the absence of muscle cells how do plant cell show moment? 
 
Q. 24 Study the following cuttent -time graphs from two different sources:- 
  
 
 
 
 
 
  
 (i) Use above graphs to list two diff. b/w the current in the two cases. 
 (ii) Name the type of current  in two cases. 
 (iii)Identify one source each for these currents. 
 (iv) What is meant by statement that the frequency of current in India in 50 Hz? 
 
     SECTION :- B 
 
Q.25 Guard cell in dicot leaf are:-  
 (i) Bean shaped   
 (ii) Dumble shaped 
 (iii)Cuboidal 
 (iv) Retangular 
 
Q.26 Which of the following is a catabolic process? 
 (i) Respriation 
 (ii) Photosynthesis 
 (iii)Digestion 
 (iv) Both (i) and (ii) 
 
Q.27 Copper metal displace the metal from the solution of:- 
 (i) 
4
FeSO  solution 
 (ii) ZnSO4  solution 
 (iii) Al2(SO4 )3 solution 
 (iv) None of the above. 
 
Q. 28 On mixing solution of barium chloride and sodium sulphate a white precipitate is obtained.  
This reaction can be categorized as :  
 (i) Combination reaction 
 (ii) Decomposition reaction 
 (iii) Double displacement reaction  
 (iv) Displacement reaction 
 
Q. 29 When dil.  HClreacts with Zinc metal the gas liberate is:- 
 (i) Oxygen 
 (ii) Nitrogen 
 (iii) Chlorine 
 
 
 
 
 (iv) Hydrogen 
 
Q.30 You are given four resistor.  If the equivalent resistance is to be increased then the resistors 
are to be connected in:-  
 (i) Series 
 (ii) Parallel 
 (iii)Mixed arrangement 
 (iv) None of  the  above 
 
Q.31 An ammeter has 20 divisions b/w 20 mA and 30 mA.  The least count of the ammeter is :- 
 (i) 0.5 M 
 (ii) 1 mA 
 (iii) 0.25 mA 
 (iv) 0.05 mA 
 
Q.32 The equivalent resistance of a series combination of  two resistors in 20 ohm.  If one of the 
resistor is 10 ohm the other resistor will be :- 
 (i) 20 ohm 
 (ii) 10 ohm 
 (iii) 50 ohm 
 (iv) 40 ohm 
Q. 33 Acid turns blue litmus paper to:- 
 (a) Blue 
 (b) Red 
 (c) Pink 
 (d) Yellow 
 
Q. 34 How can you prepare slide  to show stomata? 
 
Q. 35 What happen if 
4 e
FSO  and ( )
3
2
Pb NO  is heated? 
 
Q.36 In the ohm’s  low experiment it is advised to take out the key from the plug when the 
observation are not being taken.  Why? 
 
 
 
 
 
 
 
 
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