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VALUE BASED QUESTIONS 
CLASS-X 
SCIENCE-SA-II 
2012-2013 
Chapter-1 CHEMICAL REACTION AND EQUATIONS 
Q-1. Why parents are advised to discourage their children to eat chips and junk food? 
Chapter-2  ACID, BASES AND SALTS 
Q-2. Brushing our teeth twice a day is a well known saying. Justify this statement. 
Q-3. Farmers are using a large number. of Pesticides and fertilizers in their fields to increase crop 
production and to enhance their profits.  But by doing so they are causing damage to the soil as 
well as to the environment.  Do you agree with this statement?  Why should we avoid eating fruits 
and vegetables without washing them properly? 
Chapter -3   METALS AND NONMETALS 
Q-4. Gold is a very precious metal.  Pure gold is very soft it is therefore not suitable for making 
jewellery.  It is alloyed with either Silver or Copper to make it hard.  But sometimes jewellers mix 
a large quantity of copper and Silver in gold to earn more profit. 
Q-i. What precautions should you take while purchasing gold jewellery? 
Q-(ii). Why does Government insist on purchasing Hall Marked jewellery? 
Q-5. Corrosion is a serious problem.  Every year an enormous amount of money is spend to replace 
damaged iron.  What steps can be taken to prevent this damage. 
Q-6. Mercury is the only metal found in the liquid state.  It is largely used in thermometers to measure 
the temperature.  But mercury is a very dangerous metal as its density is very high.  What two 
precautions you would take while handling the equipments containing Mercury? 
Chaper-4. CARBON AND ITS COMPOUNDS 
Page 2


VALUE BASED QUESTIONS 
CLASS-X 
SCIENCE-SA-II 
2012-2013 
Chapter-1 CHEMICAL REACTION AND EQUATIONS 
Q-1. Why parents are advised to discourage their children to eat chips and junk food? 
Chapter-2  ACID, BASES AND SALTS 
Q-2. Brushing our teeth twice a day is a well known saying. Justify this statement. 
Q-3. Farmers are using a large number. of Pesticides and fertilizers in their fields to increase crop 
production and to enhance their profits.  But by doing so they are causing damage to the soil as 
well as to the environment.  Do you agree with this statement?  Why should we avoid eating fruits 
and vegetables without washing them properly? 
Chapter -3   METALS AND NONMETALS 
Q-4. Gold is a very precious metal.  Pure gold is very soft it is therefore not suitable for making 
jewellery.  It is alloyed with either Silver or Copper to make it hard.  But sometimes jewellers mix 
a large quantity of copper and Silver in gold to earn more profit. 
Q-i. What precautions should you take while purchasing gold jewellery? 
Q-(ii). Why does Government insist on purchasing Hall Marked jewellery? 
Q-5. Corrosion is a serious problem.  Every year an enormous amount of money is spend to replace 
damaged iron.  What steps can be taken to prevent this damage. 
Q-6. Mercury is the only metal found in the liquid state.  It is largely used in thermometers to measure 
the temperature.  But mercury is a very dangerous metal as its density is very high.  What two 
precautions you would take while handling the equipments containing Mercury? 
Chaper-4. CARBON AND ITS COMPOUNDS 
Q-7. Mrs. Anita observed that her cooking utensils are becoming black in colour and the flame of her 
gas stove is yellowish in colour what can be the reason for this sooty flame. How is this problem 
harmful for our environment? What steps should be taken to stop this process. 
Q-8. Ethanol is used on a large scale at commercial level this is a very useful chemical.  It is commonly 
called alcohol and is the active ingredient of alcoholic drink.  But consumption of alcohol also 
causes drunkenness and this practice is Socially condemned.  As a responsible student of class –X 
what steps you would take to discourage the use of alcohol. 
Q-9. You must have seen advertisements stating that some vegetable oils are healthy.  Saturated fatty 
acids which are said to be harmful for health.  Why vegetable oils are considered healthy then 
Saturated fatty acids (ghee)?  What precautions you would take in selecting a cooking oil. 
Chapter – 5 PERIODIC CLASSIFICATION OF ELEMENTS 
Q-11. Ria and Rama are students  of Class-X.  Ria is very much organized and maintained.  The 
teachers love her.  She earns a great respect in the class where as Rama is un-organised and 
always faces a lot of problems in handling life situations. 
(i). In your opinion how organization help in daily life? 
(ii). How can you relate the above fact with the chapter classification of elements.  How classification 
of elements help us in studying them properly? 
Q-10. Adulteration is becoming a very serious problem of our society.  Study reveals that more people 
die because of food adulteration rather than hunger.  Shopkeepers mix harmful chemicals and 
things in food items to earn more profit which may even lead to deaths. 
(i). Being a responsible citizen how can you fight against adulteration? 
(ii). Give an example of food adulteration.  
(iii) How will you test about the adulteration in this food item? 
Chapter-6 LIFE PROCESSES 
Q-12. Eating junk food results in several health problems including obesity and heart problems.  Still lot 
of children prefer to eat junk food.  What suggestion you will give to avoid eating junk food. 
Q-13. Regular physical exercise for 45 minutes is advisable for normal functioning of human body. 
Comment upon the advantages of this statement/practice in daily life. 
Page 3


VALUE BASED QUESTIONS 
CLASS-X 
SCIENCE-SA-II 
2012-2013 
Chapter-1 CHEMICAL REACTION AND EQUATIONS 
Q-1. Why parents are advised to discourage their children to eat chips and junk food? 
Chapter-2  ACID, BASES AND SALTS 
Q-2. Brushing our teeth twice a day is a well known saying. Justify this statement. 
Q-3. Farmers are using a large number. of Pesticides and fertilizers in their fields to increase crop 
production and to enhance their profits.  But by doing so they are causing damage to the soil as 
well as to the environment.  Do you agree with this statement?  Why should we avoid eating fruits 
and vegetables without washing them properly? 
Chapter -3   METALS AND NONMETALS 
Q-4. Gold is a very precious metal.  Pure gold is very soft it is therefore not suitable for making 
jewellery.  It is alloyed with either Silver or Copper to make it hard.  But sometimes jewellers mix 
a large quantity of copper and Silver in gold to earn more profit. 
Q-i. What precautions should you take while purchasing gold jewellery? 
Q-(ii). Why does Government insist on purchasing Hall Marked jewellery? 
Q-5. Corrosion is a serious problem.  Every year an enormous amount of money is spend to replace 
damaged iron.  What steps can be taken to prevent this damage. 
Q-6. Mercury is the only metal found in the liquid state.  It is largely used in thermometers to measure 
the temperature.  But mercury is a very dangerous metal as its density is very high.  What two 
precautions you would take while handling the equipments containing Mercury? 
Chaper-4. CARBON AND ITS COMPOUNDS 
Q-7. Mrs. Anita observed that her cooking utensils are becoming black in colour and the flame of her 
gas stove is yellowish in colour what can be the reason for this sooty flame. How is this problem 
harmful for our environment? What steps should be taken to stop this process. 
Q-8. Ethanol is used on a large scale at commercial level this is a very useful chemical.  It is commonly 
called alcohol and is the active ingredient of alcoholic drink.  But consumption of alcohol also 
causes drunkenness and this practice is Socially condemned.  As a responsible student of class –X 
what steps you would take to discourage the use of alcohol. 
Q-9. You must have seen advertisements stating that some vegetable oils are healthy.  Saturated fatty 
acids which are said to be harmful for health.  Why vegetable oils are considered healthy then 
Saturated fatty acids (ghee)?  What precautions you would take in selecting a cooking oil. 
Chapter – 5 PERIODIC CLASSIFICATION OF ELEMENTS 
Q-11. Ria and Rama are students  of Class-X.  Ria is very much organized and maintained.  The 
teachers love her.  She earns a great respect in the class where as Rama is un-organised and 
always faces a lot of problems in handling life situations. 
(i). In your opinion how organization help in daily life? 
(ii). How can you relate the above fact with the chapter classification of elements.  How classification 
of elements help us in studying them properly? 
Q-10. Adulteration is becoming a very serious problem of our society.  Study reveals that more people 
die because of food adulteration rather than hunger.  Shopkeepers mix harmful chemicals and 
things in food items to earn more profit which may even lead to deaths. 
(i). Being a responsible citizen how can you fight against adulteration? 
(ii). Give an example of food adulteration.  
(iii) How will you test about the adulteration in this food item? 
Chapter-6 LIFE PROCESSES 
Q-12. Eating junk food results in several health problems including obesity and heart problems.  Still lot 
of children prefer to eat junk food.  What suggestion you will give to avoid eating junk food. 
Q-13. Regular physical exercise for 45 minutes is advisable for normal functioning of human body. 
Comment upon the advantages of this statement/practice in daily life. 
Q-14. Rahul wants to build up his body very quickly without following right exercise regime and 
balanced diet.  Instead he started eating readymade food supplement. 
i). In your opinion was the step taken by Rahul is right.  Justify your answer. 
ii). What are the harmful effects of taking artificial health supplement without consulting a physician. 
Q-15. Om, Rohit and Kishore always remain in a hurry.  One day, during lunch hour they all quickly 
gulped food and went out to play. 
(i). Om suddenly developed stomach ache while playing.  What according to you might have gone 
wrong with him. 
Q-16. Meena who is studying in Class-X gets tired very soon and her skin colour is turning pale, her 
haemoglobin content in the blood is also low  She is really confused about this situation. 
i). Which disease is she suffering from. 
ii). What kind of diet should she take to overcome this problem. 
Q-17. Sohan went to his town Agra 200 Km away from Delhi with his father in a car.  On the way there 
was lot of traffic jam. Sohan while reaching his town felt nausea and headache.  He had inhaled 
lots of toxic polluted gases. 
i). Which system/part of his body gets affected. 
ii). What steps could be taken to reduce air pollution. 
CHAPTER-7.   CONTROL AND COORDINATION 
Q-18.  Mayank?s father never bothered to check the brand/contents of the salt he had purchased from the 
market.  Mayank noticed that her sister had developed swollen neck.  The doctor advised her to 
eat Iodised Salt. 
i). Name the disease from which Mayank?s sister suffered. 
ii). Why the doctor has advised her to eat Iodised Salt? 
Q-19. Injections are given to the cattle for the production of milk. 
(i). Do you think it is a right practice. 
(ii). What harm is this practice causing us? 
Page 4


VALUE BASED QUESTIONS 
CLASS-X 
SCIENCE-SA-II 
2012-2013 
Chapter-1 CHEMICAL REACTION AND EQUATIONS 
Q-1. Why parents are advised to discourage their children to eat chips and junk food? 
Chapter-2  ACID, BASES AND SALTS 
Q-2. Brushing our teeth twice a day is a well known saying. Justify this statement. 
Q-3. Farmers are using a large number. of Pesticides and fertilizers in their fields to increase crop 
production and to enhance their profits.  But by doing so they are causing damage to the soil as 
well as to the environment.  Do you agree with this statement?  Why should we avoid eating fruits 
and vegetables without washing them properly? 
Chapter -3   METALS AND NONMETALS 
Q-4. Gold is a very precious metal.  Pure gold is very soft it is therefore not suitable for making 
jewellery.  It is alloyed with either Silver or Copper to make it hard.  But sometimes jewellers mix 
a large quantity of copper and Silver in gold to earn more profit. 
Q-i. What precautions should you take while purchasing gold jewellery? 
Q-(ii). Why does Government insist on purchasing Hall Marked jewellery? 
Q-5. Corrosion is a serious problem.  Every year an enormous amount of money is spend to replace 
damaged iron.  What steps can be taken to prevent this damage. 
Q-6. Mercury is the only metal found in the liquid state.  It is largely used in thermometers to measure 
the temperature.  But mercury is a very dangerous metal as its density is very high.  What two 
precautions you would take while handling the equipments containing Mercury? 
Chaper-4. CARBON AND ITS COMPOUNDS 
Q-7. Mrs. Anita observed that her cooking utensils are becoming black in colour and the flame of her 
gas stove is yellowish in colour what can be the reason for this sooty flame. How is this problem 
harmful for our environment? What steps should be taken to stop this process. 
Q-8. Ethanol is used on a large scale at commercial level this is a very useful chemical.  It is commonly 
called alcohol and is the active ingredient of alcoholic drink.  But consumption of alcohol also 
causes drunkenness and this practice is Socially condemned.  As a responsible student of class –X 
what steps you would take to discourage the use of alcohol. 
Q-9. You must have seen advertisements stating that some vegetable oils are healthy.  Saturated fatty 
acids which are said to be harmful for health.  Why vegetable oils are considered healthy then 
Saturated fatty acids (ghee)?  What precautions you would take in selecting a cooking oil. 
Chapter – 5 PERIODIC CLASSIFICATION OF ELEMENTS 
Q-11. Ria and Rama are students  of Class-X.  Ria is very much organized and maintained.  The 
teachers love her.  She earns a great respect in the class where as Rama is un-organised and 
always faces a lot of problems in handling life situations. 
(i). In your opinion how organization help in daily life? 
(ii). How can you relate the above fact with the chapter classification of elements.  How classification 
of elements help us in studying them properly? 
Q-10. Adulteration is becoming a very serious problem of our society.  Study reveals that more people 
die because of food adulteration rather than hunger.  Shopkeepers mix harmful chemicals and 
things in food items to earn more profit which may even lead to deaths. 
(i). Being a responsible citizen how can you fight against adulteration? 
(ii). Give an example of food adulteration.  
(iii) How will you test about the adulteration in this food item? 
Chapter-6 LIFE PROCESSES 
Q-12. Eating junk food results in several health problems including obesity and heart problems.  Still lot 
of children prefer to eat junk food.  What suggestion you will give to avoid eating junk food. 
Q-13. Regular physical exercise for 45 minutes is advisable for normal functioning of human body. 
Comment upon the advantages of this statement/practice in daily life. 
Q-14. Rahul wants to build up his body very quickly without following right exercise regime and 
balanced diet.  Instead he started eating readymade food supplement. 
i). In your opinion was the step taken by Rahul is right.  Justify your answer. 
ii). What are the harmful effects of taking artificial health supplement without consulting a physician. 
Q-15. Om, Rohit and Kishore always remain in a hurry.  One day, during lunch hour they all quickly 
gulped food and went out to play. 
(i). Om suddenly developed stomach ache while playing.  What according to you might have gone 
wrong with him. 
Q-16. Meena who is studying in Class-X gets tired very soon and her skin colour is turning pale, her 
haemoglobin content in the blood is also low  She is really confused about this situation. 
i). Which disease is she suffering from. 
ii). What kind of diet should she take to overcome this problem. 
Q-17. Sohan went to his town Agra 200 Km away from Delhi with his father in a car.  On the way there 
was lot of traffic jam. Sohan while reaching his town felt nausea and headache.  He had inhaled 
lots of toxic polluted gases. 
i). Which system/part of his body gets affected. 
ii). What steps could be taken to reduce air pollution. 
CHAPTER-7.   CONTROL AND COORDINATION 
Q-18.  Mayank?s father never bothered to check the brand/contents of the salt he had purchased from the 
market.  Mayank noticed that her sister had developed swollen neck.  The doctor advised her to 
eat Iodised Salt. 
i). Name the disease from which Mayank?s sister suffered. 
ii). Why the doctor has advised her to eat Iodised Salt? 
Q-19. Injections are given to the cattle for the production of milk. 
(i). Do you think it is a right practice. 
(ii). What harm is this practice causing us? 
Q-20. Often the road accidents victims faced really a tough time due to the shortage of blood in the 
hospital. 
i). Give suggestion to avoid shortage of blood in the blood bank. 
Q-21. A person is taking the insulin injection everyday. 
(i). Name the disease he is suffering from. 
(ii). How does healthy life style help this patient to control this disease? 
Q-22. Most of students suffer from exam stress and anxiety during exam days. 
i). Suggest three good habits which students should adopt to tackle this problem. 
Q-23. Generally some of teenagers readily come under bad influences under peer group pressure. 
(i). Why does teenagers readily come under this influence. 
(ii). Suggest methods to overcome such problems. 
Chapter-8       HOW DO ORGANISMS REPRODUCE? 
Q-24. We hear and read about female foeticide, which is really is a wrong practice. In some families,  be 
it rural or urban, females are tortured for giving birth to a girl child.  They do not seem to 
understand the scientific reason behind the birth of a boy or a girl. 
In your opinion,the approach of the society towards mother in this regard is correct or not?  
Explain the scientific reason. 
Q-25. Mr. R. Sharma was suffering from various types of diseases presently.  He went for thorough 
health checkups and was diagnosed as HIV+ve. Soon this news spread in his neighborhood and  
on account of this,  he faced social isolation. 
Comment upon:- 
i. Do you think people?s indifference towards HIV+ve people is justifiable?
What kind of approach should we have towards the persons suffering from AIDS.
ii. How can one protect oneself from this diseases?
Q-26. It is a well known fact that pregnant woman?s health is a backbone of every family, society and 
thus nation 
Page 5


VALUE BASED QUESTIONS 
CLASS-X 
SCIENCE-SA-II 
2012-2013 
Chapter-1 CHEMICAL REACTION AND EQUATIONS 
Q-1. Why parents are advised to discourage their children to eat chips and junk food? 
Chapter-2  ACID, BASES AND SALTS 
Q-2. Brushing our teeth twice a day is a well known saying. Justify this statement. 
Q-3. Farmers are using a large number. of Pesticides and fertilizers in their fields to increase crop 
production and to enhance their profits.  But by doing so they are causing damage to the soil as 
well as to the environment.  Do you agree with this statement?  Why should we avoid eating fruits 
and vegetables without washing them properly? 
Chapter -3   METALS AND NONMETALS 
Q-4. Gold is a very precious metal.  Pure gold is very soft it is therefore not suitable for making 
jewellery.  It is alloyed with either Silver or Copper to make it hard.  But sometimes jewellers mix 
a large quantity of copper and Silver in gold to earn more profit. 
Q-i. What precautions should you take while purchasing gold jewellery? 
Q-(ii). Why does Government insist on purchasing Hall Marked jewellery? 
Q-5. Corrosion is a serious problem.  Every year an enormous amount of money is spend to replace 
damaged iron.  What steps can be taken to prevent this damage. 
Q-6. Mercury is the only metal found in the liquid state.  It is largely used in thermometers to measure 
the temperature.  But mercury is a very dangerous metal as its density is very high.  What two 
precautions you would take while handling the equipments containing Mercury? 
Chaper-4. CARBON AND ITS COMPOUNDS 
Q-7. Mrs. Anita observed that her cooking utensils are becoming black in colour and the flame of her 
gas stove is yellowish in colour what can be the reason for this sooty flame. How is this problem 
harmful for our environment? What steps should be taken to stop this process. 
Q-8. Ethanol is used on a large scale at commercial level this is a very useful chemical.  It is commonly 
called alcohol and is the active ingredient of alcoholic drink.  But consumption of alcohol also 
causes drunkenness and this practice is Socially condemned.  As a responsible student of class –X 
what steps you would take to discourage the use of alcohol. 
Q-9. You must have seen advertisements stating that some vegetable oils are healthy.  Saturated fatty 
acids which are said to be harmful for health.  Why vegetable oils are considered healthy then 
Saturated fatty acids (ghee)?  What precautions you would take in selecting a cooking oil. 
Chapter – 5 PERIODIC CLASSIFICATION OF ELEMENTS 
Q-11. Ria and Rama are students  of Class-X.  Ria is very much organized and maintained.  The 
teachers love her.  She earns a great respect in the class where as Rama is un-organised and 
always faces a lot of problems in handling life situations. 
(i). In your opinion how organization help in daily life? 
(ii). How can you relate the above fact with the chapter classification of elements.  How classification 
of elements help us in studying them properly? 
Q-10. Adulteration is becoming a very serious problem of our society.  Study reveals that more people 
die because of food adulteration rather than hunger.  Shopkeepers mix harmful chemicals and 
things in food items to earn more profit which may even lead to deaths. 
(i). Being a responsible citizen how can you fight against adulteration? 
(ii). Give an example of food adulteration.  
(iii) How will you test about the adulteration in this food item? 
Chapter-6 LIFE PROCESSES 
Q-12. Eating junk food results in several health problems including obesity and heart problems.  Still lot 
of children prefer to eat junk food.  What suggestion you will give to avoid eating junk food. 
Q-13. Regular physical exercise for 45 minutes is advisable for normal functioning of human body. 
Comment upon the advantages of this statement/practice in daily life. 
Q-14. Rahul wants to build up his body very quickly without following right exercise regime and 
balanced diet.  Instead he started eating readymade food supplement. 
i). In your opinion was the step taken by Rahul is right.  Justify your answer. 
ii). What are the harmful effects of taking artificial health supplement without consulting a physician. 
Q-15. Om, Rohit and Kishore always remain in a hurry.  One day, during lunch hour they all quickly 
gulped food and went out to play. 
(i). Om suddenly developed stomach ache while playing.  What according to you might have gone 
wrong with him. 
Q-16. Meena who is studying in Class-X gets tired very soon and her skin colour is turning pale, her 
haemoglobin content in the blood is also low  She is really confused about this situation. 
i). Which disease is she suffering from. 
ii). What kind of diet should she take to overcome this problem. 
Q-17. Sohan went to his town Agra 200 Km away from Delhi with his father in a car.  On the way there 
was lot of traffic jam. Sohan while reaching his town felt nausea and headache.  He had inhaled 
lots of toxic polluted gases. 
i). Which system/part of his body gets affected. 
ii). What steps could be taken to reduce air pollution. 
CHAPTER-7.   CONTROL AND COORDINATION 
Q-18.  Mayank?s father never bothered to check the brand/contents of the salt he had purchased from the 
market.  Mayank noticed that her sister had developed swollen neck.  The doctor advised her to 
eat Iodised Salt. 
i). Name the disease from which Mayank?s sister suffered. 
ii). Why the doctor has advised her to eat Iodised Salt? 
Q-19. Injections are given to the cattle for the production of milk. 
(i). Do you think it is a right practice. 
(ii). What harm is this practice causing us? 
Q-20. Often the road accidents victims faced really a tough time due to the shortage of blood in the 
hospital. 
i). Give suggestion to avoid shortage of blood in the blood bank. 
Q-21. A person is taking the insulin injection everyday. 
(i). Name the disease he is suffering from. 
(ii). How does healthy life style help this patient to control this disease? 
Q-22. Most of students suffer from exam stress and anxiety during exam days. 
i). Suggest three good habits which students should adopt to tackle this problem. 
Q-23. Generally some of teenagers readily come under bad influences under peer group pressure. 
(i). Why does teenagers readily come under this influence. 
(ii). Suggest methods to overcome such problems. 
Chapter-8       HOW DO ORGANISMS REPRODUCE? 
Q-24. We hear and read about female foeticide, which is really is a wrong practice. In some families,  be 
it rural or urban, females are tortured for giving birth to a girl child.  They do not seem to 
understand the scientific reason behind the birth of a boy or a girl. 
In your opinion,the approach of the society towards mother in this regard is correct or not?  
Explain the scientific reason. 
Q-25. Mr. R. Sharma was suffering from various types of diseases presently.  He went for thorough 
health checkups and was diagnosed as HIV+ve. Soon this news spread in his neighborhood and  
on account of this,  he faced social isolation. 
Comment upon:- 
i. Do you think people?s indifference towards HIV+ve people is justifiable?
What kind of approach should we have towards the persons suffering from AIDS.
ii. How can one protect oneself from this diseases?
Q-26. It is a well known fact that pregnant woman?s health is a backbone of every family, society and 
thus nation 
i). Which tissue is responsible for providing nutrition from mother to growing embryo? 
ii). According to you, what can be the likely measures to maintain woman health during pregnancy. 
Q-27. How can one justify this statement that “Like physical mental and social fitness, human beings 
need fitness of reproductive life”  i.e.  „Reproductive Health?. 
Q-28. Arjun and Ram are students of Class-IX. Both  were initially good in studies. After some time 
academic performance of Arjun started declining and he became irritable.  This change was 
noticed by his class teacher the teacher, while interacting with Arjun found out that he had six 
siblings and whole family lived in a single room. 
Mother was not able to devote much attention to him and resources were not sufficient. 
(i) After going through the situation,  what are the factors, which you think, are responsible for 
change in behaviour and his poor performance in studies. 
Chapter-7    CONTROL AND COORDINATION 
Q-29. Rahul got a bike on his 18
th
 Birthday from his parents.  His father instructed him always to wear
helmet while driving.  He reluctantly obeys him but does not tie the straps of Helmet properly. 
(i). According to you, what danger Rahul can face in future while he is driving his bike. 
(ii). Which vital organ/organs gets protection by wearing the helmet while driving the two wheelers? 
CHAPTER-10-11     LIGHT, HUMAN EYE AND COLOURFUL WORLD 
Q-30. „Vision? is one of  the wonderful gifts given to us by God.  But most of the people never take care 
of their eyes.  Care for eyes should be taken, suggest some methods for proper eye care? 
Q-31. Suddenly a news spread in the school that a student of class-IX-A has expired due to heart attack, 
but he has donated his beautiful eyes to one of his friend.  All the members of school felt very sad 
for his untimely death, but on the other side they were overwhelmed on hearing the donation of 
his eyes to his friend, who would now be able to see this beautiful nature. 
Do you think that the student who expired had done good job?  Is it worth to donate vital organs? 
Q-32. In a class-room, there were four or five students who were not able to read the material written on 
black board.  The other students of class helped them to sit at the front seat, so that they can also 
read the material written on blackboard. 
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FAQs on Value Based Questions for Science (SA II, Class 10, CBSE)

1. What is the importance of science in our daily lives?
Ans. Science plays a crucial role in our daily lives as it helps us understand the world around us. It provides us with knowledge and helps us make informed decisions. Science has revolutionized the world by bringing advancements in technology, medicine, agriculture, and many other fields. It has made our lives easier, healthier, and more comfortable.
2. How can we encourage children to develop an interest in science?
Ans. Encouraging children to develop an interest in science can be achieved in various ways. Parents and teachers can organize science-related activities such as experiments, science fairs, and visits to science museums. They can also introduce children to scientific concepts through books and videos. Encouraging children to ask questions and explore their curiosity can also spark their interest in science.
3. Why is it essential to have scientific literacy?
Ans. Scientific literacy is essential as it enables individuals to understand scientific concepts and make informed decisions based on scientific evidence. It helps individuals to critically evaluate information and develop a rational and evidence-based perspective. In today's world, scientific literacy has become increasingly important as science and technology continue to shape our lives.
4. What are the benefits of pursuing a career in science?
Ans. Pursuing a career in science can be a highly rewarding experience. It offers opportunities to contribute to society by developing new technologies, making scientific breakthroughs, and solving complex problems. Science careers are often well-paying and provide job security. Additionally, science careers can be intellectually stimulating, allowing individuals to continue learning and growing professionally.
5. How can science be used to address global challenges such as climate change and pandemics?
Ans. Science plays a crucial role in addressing global challenges such as climate change and pandemics. It provides us with knowledge and tools to understand the causes and impacts of these challenges and develop solutions to address them. For instance, science can help us develop sustainable technologies and practices to mitigate climate change and identify effective treatments and vaccines to combat pandemics. Collaborative efforts between scientists, policymakers, and the public are essential to address these challenges effectively.
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