Download, print and study this document offline |
Page 1 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.Read More
1. What is the importance of science in our daily lives? |
2. How can we encourage children to develop an interest in science? |
3. Why is it essential to have scientific literacy? |
4. What are the benefits of pursuing a career in science? |
5. How can science be used to address global challenges such as climate change and pandemics? |
|
Explore Courses for Class 10 exam
|