Explore Value-Based Questions (VBQs) for Class 10 Science on BDASVM.COM – Enhancing Your Exam Preparation!
Understanding VBQs for Class 10 Science
Value-Based Questions (VBQs) are a crucial component of the Class 10 Science exams. These questions not only test your scientific knowledge but also assess your moral and ethical values. Scoring well in VBQs can significantly boost your overall marks.
Comprehensive VBQs for Class 10 Science
Discover VBQs for all chapters in Class 10 Science on BDASVM.COM. These VBQs are thoughtfully designed to align with CBSE and NCERT guidelines, ensuring you’re well-prepared for your exams. Each set of VBQs comes with detailed answers to facilitate your learning process.
The Significance of VBQs in Class 10 Science
In line with CBSE and NCERT recommendations, Value-Based Questions have been integrated into the Class 10 Science curriculum. These questions aim to instill moral and ethical values in students while assessing their subject knowledge. By mastering these VBQs, you not only gain a better understanding of the subject but also enhance your chances of scoring well in your exams.
Explore and download the complete set of CBSE Class 10 Science Value-Based Questions (Set A) in PDF format on BDASVM.COM to excel in your exams!
Value Based Questions for Science for Class 10
Class X (Integrated Science)
Question. Contextual Part
HEREDITY AND EVOLUTION
Question. A village recorded highest cases of atrocities against women the health officer of the village organised a skit to convey the fact that women should not be purnished for the birth of a girl child. They should be given due respect in society. The villagers were greatly motivated.
CONTEXTUAL QUESTIONS
(i) What is the method of sex determination in humans?
(ii) What are the sex chromosomes in males?
VALUE BASED
(iii) What value was the officer trying to highlight through the skit?
1. Awareness
2. Social Responsibility
3. Concern for women
Question. Manu visited the hospital with her mother, where she observed a poster ‘Sex determination is a Crime’ She discussed the issue with her mother and realised that sex determination was banned as there was an increase in female infanticide across our country.
CONTEXTUAL QUESTIONS
(i) How can we determine sex of a baby?
VALUEBASED QUESTIONS
(ii) What values are promoted by the hospital?
1. Awareness
2. Social responsibility
3. Concern for female infants
4. Discrimination of gender
Question. Anita had a huge scar on her cheek after she met with an accident during her school days. She is worried if her baby would inherit the scar she had acquired. Her doctor, a sincere medical practitioner explained and successfully convinced Anita.
CONTEXTUAL QUESTIONS
(i) What are acquired traits?
(ii) How is it different from inherited traits?
VALUE BASED QUESTIONS
(iii) Mention the values the doctor exhibits.
1. Awareness
2. Social responsibility
3. Professional ethics
Question. Mita observed that her grand mother was preparing a family tree. On enquiring why it was done, she explained that it was necessary to know our roots as we have inherited many traits from our ancestors. She also mentioned that many family values and traditions are no longer followed as joint families had disappeared?
CONTEXTUAL QUESTIONS
(i) Who are the earliest members of human species?
(ii) Where have the earliest members emerged?
(iii) VALUE BASED QUESTIONS
(iv) What values do you think children would learn in a joint family?
1. Sharing and caring
2. Respect for elders
3. Concern for others
4. Knowledge of any genetic disorders in the family
HOW DO LIVING ORGANISMS REPRODUCE
Question. Sandra is in class VI. She felt uncomfortable on one fine day. Her elder sister Radha who is in class X is already guided by her mother regarding this and she guides Sandra
Contextual question
What is the reason for Sandra’s discomfort?
Value based:
What values are exhibited by Radha ?
Value points.
*Awareness
*Sense of responsibility
*Concern for sister
2. Contextual question
Kala is married and has two children. She does not want any more children. Suggest two ways that she can be follow to avoid pregnancy. (2)
Value based:
What values are exhibited by Kala?
Value points
*Awareness
*Concern for reproductive health
*Responsible citizen
3. Contextual question
Question. The population of a village was 10,000 in the year 2010. It has surprisingly increased to 15,000 in a year.As a village Panchayat doctor what measures would you suggest to the people of that village to control population?
Value based:
What values will you try to inculcate in the villagers?
Value points
*Awareness of birth control measures
*The importance of the health of an adult female
*To have enough gap between two successive children.
4. Contextual question
Question. Imagine that you are a doctor who is specialized in Gynaecology. A married lady walked into your clinic for terminating her foetus which is 24 weeks old since the foetus is a female. Doctor advised her not to do so.
a. How is the sex of female child genetically determined?
Value based:
bWhat values did the doctor try to inculcate?
Value points
*Awareness
*Concern for girl child
*Responsible towards community
*To maintain female / male sex ratio
Question. Rina went to her friend’s house for vacation and she admired the beauty of the rose garden there. She planned to gift a rose garden to her parents for their anniversary next month.
Contextual question:
What technique should she follow to get more number of plants before the anniversary?
Value based:
What values did Rina set?
Value points
*Sensitive to environment
*Love and affection
*Awareness
REFLECTION AND REFRACTION
Question. Vivek Sharma while driving his bike sees a woman behind driving a moped through his rear vew mirror. He sees that her saree almost touching the wheels of the vehicle. He stops her and alerts Contextual question What kind of mirror is used as a rear view mirror? Draw a ray diagram for the same mirror when the object is placed between pole and infinity her and she ties the saree properly.
Value based question
What values you observe in Mr. Sharma?
Value points
1. Concern about others
2. Observation of Traffic rules
3. Responsible citizen.
Question. Deepak’s mom is finding difficult to cook in the kitchen as there was power cut, and she was complaining about it to Deepak. He immediately took a plane mirror from his shelf made it stand against a wall such that sun’s rays were focussed into the kitchen due to the reflection of the mirror. There was some lighting and his mother was able to finish her work.
Contextual question
What are the characteristics of the image formed by a plane mirror?
Value based question
What values did Deepak display?
Value points
1.helping his mother
2. Is able to apply his mind at required times
Question. Mrs Vincent, grade 5 teacher find that her students do not draw when she draws on the board. Every time she had to turn towards them to see whether they draw and label the diagrams. John, one of her students fixed two big convex mirrors at the two sides of the black board. With this Mrs. Vincent was able to draw and also supervise her students through the mirror. All the students did their work properly.
Contextual question
A convex mirror has R= 3m . An object placed at 5m from this mirror , find the position and nature of the image.(2)
Value based question
What values did John exhibit?
Value points
1.Helping teacher and his peer group
2. application of knowledge
4 A boy is looking at the sun through a convex lens. His brother immediately takes away the lsns and explains why he shouldn’t do it.
Contextual question
What happens when parallel rays of light fall on a convex lens. Draw a ray diagram and explain the rule, hence define principle focus of convex lens.(.5 +1.5)
Value based question
What values does the brother show?
Value points
1.concern for his brother
2.knowledge of precautionary measure
Question. Kajal who has just begun to learn swimming is in the pool. Suddenly she finds her gold earing falling into the water. She feels that the earing has not gone too deep and she goes into the water to retrieve it..Her trainer observing this pulls her out.
Contextual question
The letters appear raised when viewed through a glass slab. why? What is meant by lateral displacement in a glass slab. (1+1)
VALUE BASED QUESTION
What value does the trainer show?
Value points
1. Trainer concerned about the safety of the students
2. Presence of mind of the trainer, timely action.
Question. Mala a class 10 student observes a slide in the bio-lab. She is not able to view clearly and seeks teachers help. The teacher adjusts the microscope and also explains how 2 lenses can be combined for effective viewing. With the teacher’s input, Mala combines a convex and concave lens and obtains an image on the screen. She was able to explain her friends the additive nature of power.
Contextual question
Define SI unit of power. What is the power of lens whose focal length is +20cm.
VALUE BASED QUESTION
What value does Mala display?
Value points
1.Is interested in sharing the acquired knowledge with her peer group
2. Team work
7 The class room was very dark due to the cloudy day. The teacher asked the students to switch on all the lights, as it was difficult to view the board for the students.
Contextual question
How will the size of pupil change with brightness?
VALUE BASED QUESTION
What value did the teacher exhibit?
Value points
1.Awareness
2. concern for the students
Question. Mr Ananth, was standing outside in the evening, enjoying the light drizzle after the rain. Suddenly he observed a rainbow in the sky. He called his father and asked him, what it is and how is it formed? His father explained him about its formation and also told him that a similar phenomena can be observed with prism also.
Contextual question
What is the name of the phenomena? Which colour deviates more and why?
VALUE BASED QUESTION
What value did Ananth’s father exhibit?
Value points
1.understanding
2. caring
Question. Ms. Vijaya, a maid servant of Ramji, complained that she was unable to read the magazines. Mr Ramji realising that she had an eye problem and took her to an eye doctor and got her eye checked. He also bought a new set of lenses for her.
Contextual question
What is the name of the eye defect that Ms vijaya is suffering from? What type of lens did doctor prescribe to her?
VALUE BASED QUESTION
What value did Mr. Ramji exhibit?
Value points
1. Kindness
2. Compassion
3. Concern for others
CARBON AND ITS COMPOUNDS
Question. ‘The two characteristic features seen in carbon, that is, tetravalency and cateration, put together give rise to a large number of compounds’.
Contextual Part
a. What kind of compounds does carbon form?
Value Based
b. Mention two values that you can imbibe into your life from these properties of carbon.
Value Points
i. Team work
ii. Accepting diversity
Iii Any other relevant points
Periodic classification of elements
Question. ‘In a departmental store we see soaps are kept at one place while biscuits are kept together elsewhere. Similarly scientists made several attempts to classify elements according to their properties and obtained an orderly arrangement out of chaos.’
Contextual Part
a) Why do we need to classify elements?
Value Based
b) Mention two values depicted by the scientists while making an attempt to classify elements?
Value Points
1. Organizational skills
2. Leadership qualities
3. Sharing knowledge/ Information
Any other relevant point
Question. Ajay observed that the cooking vessels in his house are blackened. He asked his mother to check the air holes of the kerosene/gas stove.
CONTEXTUAL QUESTION: Why are the vessels getting blackened? How can you rectify this?
VALUE BASED QUESTION: What two values Ajay has in his mind ?
Value Points:
1. Responsible Behaviour
2. Observation skill
3. Social concern
4. Using knowledge for practical use
Question. A group of students conducted an awareness campaign to insist on reducing the usage of Vehicles run by petrol as they pollute the environment.
CONTEXTUAL QUESTION: Which elements present in petroleum are major pollutants of the environment? Name the process by which energy is obtained from the fuel.
VALUE BASED QUESTION: List any two values learnt by the students in the awareness campaign.
Value Points:
1. Responsible Behaviour
2. Environmental conservation
3. Energy Conservation
4. Awareness of health and hygiene
Question. Praveen saw few vanaspati packets in the grocery shelf and requested his mother not to use vanaspati and replace it with a vegetable oil.
CONTEXTUAL QUESTION: Why are vegetables oils preferred to vanaspati? Name the process by which vanaspati is obtained from vegetable oil
VALUE BASED QUESTION: What are the values do you think Praveen has?
Value Points:
1. Awareness of health and hygiene
2. Capability to find alternative resource
3. Application of knowledge to practical life
4. Concern for the family
4. Ethanol is an important industrial solvent. To prevent the misuse of ethanol some additives are mixed with it.
CONTEXTUAL QUESTION: What substances are generally added to make ethanol unfit for drinking? What is ethanol called after mixing these?
VALUE BASED QUESTION: What are the values followed?
Value Points:
1. Social responsibility
2. Awareness
3. Alertness
4. Application of theoretical knowledge
Question. Sita prefers to use Detergents over soap while washing clothes with hard water.
CONTEXTUAL QUESTION: Why are detergents effective in hard water?
VALUE BASED QUESTION: What values did Sita learn by using detergents?
Value Points:
1. Water Conservation
2. Capability to find alternative resource
3. Application of knowledge to practical life
Periodic Classification of Elements
Question. Aashish is a student of Class V. His class teacher gave him an assignment to write a review of any of the books written by Enid Blyton. He goes to the library but he was unable to locate anyone. He approaches the librarian for help. The librarian took him to one of the sections of the library and showed him many books of Enid Blyton.
CONTEXTUAL QUESTION :
(i) What helped the librarian to locate the book easily ?
VALUE BASED QUESTION :
(ii) Mention any two values that Aashish learnt
(i) Value Points
1. awareness about classification
2. Application of knowledge.
3. orderliness
Question. Tanvi was reading the morning newspaper. She came across a new word. She wanted to know its meaning and the way it is pronounced. She refers the dictionary and was thrilled when her attempt was successful.
CONTEXTUAL QUESTION :
Which property of the dictionary helped her in locating the word easily?
VALUE BASED QUESTION :
(ii) What values do you think that Tanvi has?
Value Points
1. Awareness about classification
2. Application of knowledge.
Question. A particular school has house matches after the assembly on every wednesday. There would be utter chaos before the matches since each class is divided into different houses. The P.T.Master approached the Principal and got permission to allow the students to assemble housewise on Wednesdays.
CONTEXTUAL QUESTION :
What is the reason for chaos before the matches ? Relate this to any one method of periodic classification of elements. ½+1/2
VALUE BASED QUESTION :
What values can be imbibed from the P.T.Master’s suggestion ?
Value Points (any two)
1. Need for change with time
2. Capability to find alternative solution.
3. Simplifying work
Question. Mendeleev left some gaps in his periodic table and predicted the discovery of new elements. Even though it was a drawback he boldly presented his table.
CONTEXTUAL QUESTION :
What is your view about Mendleev’s decision?
VALUE BASED QUESTION :
List any any two values learnt from Mendleev ‘s decision
Value Points
1. Self – confidence
2. Courage to face situations.
Question. The teacher was explaining the properties of elements, the types of bonding in the class. After that she asked the children the position they preferred in the periodic table if the choice is given as 14 th group or 18th group. Some chose14th and some18th.
CONTEXTUAL QUESTION :
(i) Compare the properties of group 14 and group 18 elements.
VALUE BASED QUESTION :
(ii) Mention the value points for those who chose group 14 and group 18.
Value Points
Group 14 – sharing and caring, friendliness
Group 18 – independent, staying calm and composed in all situations.
Management of Natural Resources
Question. Rachel cuts extra pages from her old note book and makes a beautiful note pad. She carries it to her class. Her classmates are motivated to do the same when they see her using this note pad.
Contextual part:
a- Which of the three R’s have been exhibited by Rachel?
Value based:
b- What two values did Rachel exhibit through her effort?
Value points
*Environmentally sensitive
* Practice of three R’s
* Responsible citizen
* Being futuristic
Question. At the time of Bhogi celebration Deepika burns her old belongings but Diya decides to donate her old belongings rather than burning it.
Contextual part:
a-What is the effect of Deepika’s action on the environment?
Value based:
b-What two values have been exhibited by Diya?
Value points
*Concern for environment
*Helping mentality
*philanthropic
*empathy/ compassion
Question. Sudha insisted her father to buy energy star qualified air conditioner with five stars which saved a lot of money on utility bills.
Contextual part:
a- What is her contribution towards protecting the environment?
Value based:
b-What two values do you think are depicted by Sudha’s effort?
Value points
*awareness
*environmentally sensitive
*energy conservation
*right decision
Question. Akshita took a powder tin and decorated it to be used as a pen stand. She was awarded A grade for efforts.
Contextual part:
Which of the three R’s have been exhibited by Akshita?
What values did Akshita exhibit through her efforts?
Value points
• Responsible behaviour
• Environmentally sensitive
• Practice of three R’s
• Being futuristic
Question. Pradivya always cycles to school but her neighbour Mahalakshmi is dropped by her father in a car.
Contextual part:
Why did Pradivya chose to cycle to school than to go by car?
What concern is Pradivya showing towards the environment?
Value points
• Sensitive to environment
• Participating citizenship
• Being futuristic
• Awareness
Question. Jitu drops his father’s old mobile and charger in e-waste bins of one of the thirteen Nokia priority centres of Chennai. In return for old mobile phones and chargers Nokia provided him with pen stand ecofriendly pencils. When Jitu’s friends came to know about this they too were inspired to drop their old, unwanted mobile phones in Nokia e-waste bins.
Contextual part:
a- Why is there a need to segregate e-waste?
Value based:
b-What two values are shown by Jitu?
Value points
*awareness
*environmentally sensitive
*responsible citizen
*futuristic
Question. Chennai Corporation collects plastics from door to door which is used for laying tar roads. Thus Manoj would always store plastic wastes at home to be given to the person who comes to collect plastics. But Vinod ignores this and puts the plastic wastes in the dust bin.
Contextual part:
a-What would be the effect of Vinod’s action on the environment?
Value based:
b- What two values are depicted by Manoj?
Value points
*awareness
*environmentally sensitive
*responsible citizen
*futuristic
*self discipline
Question. In collaboration with I.T.C a school asked students to segregate paper and plastic wastes so that they could be taken by I.T.C. On giving away their used up notebooks, student would receive new note books.
Contextual part:
a- Why is there a need to segregate plastic and paper waste?
Value based:
b-What two values are exhibited by the school authorities?
Value points
*concern for environment
*futuristic
*awareness
*sensitive towards community
*practice of three R’s
SOURCES OF ENERGY
Question. Dams are constructed to generate electricity from water stored at a height. People living in neighbouring areas protested against it to save the flora and fauna.
CONTEXTUAL
(i) What type of energy is possessed by the stored water?
(ii) What is the energy transformation that takes place in hydroelectric power plant?
VALUE BASED
(iii) What values of the people are shown by this act?
VALUE POINTS
Sensitive to environment, Compassion for animals( conservation of wild life), Proactive, Leadership quality, Team work, Responsible behaviour
Question. Mohit, Sunills neighbor has having a party at home and was playing loud music using a loudspeaker even after 10:30 pm. He requested them to lower the volume.
CONTEXTUAL
Explain the working of the loudspeaker.
VALUE BASED
What values are reflected by Sunil’s conduct?
VALUE POINTS
Abiding by the law
Responsible attitude towards society
Concern towards noise pollution
Sensitive towards environment
Question. ‘ahul’s grandfather has a hearing problem and Rahul got a device to help him out.
CONTEXTUAL
What is the cause of this problem?
Name the device that Rahul got for his grandfather?
VALUE BASED
What value is exhibited by Rahul through this act?
VALUE POINTS
c) Any of the values given below:
Caring attitude
Responsible behaviour
Sensitive
Concern for old people
Question. Rishi, a thirteen year old boy, while walking through the service lane observed a broken manhole cover. He goes home, makes a few placards using various colours and places them around the manhole. He notices that the placard made with red colour is most effective as a warning tool.
CONTEXTUAL
(i) Give reason for ‘red’ ueing the cost effective as danger sign?
VALUE BASED
• State the values that prompted that action of Rishi?
VALUE POINTS
• Concern for others
• Responsible citizen
• Helpfulness
• Presence of mind/ Proactive
Environments
Question. Diya always puts vegetable and fruit peels in composting pits and makes compost out of it. She uses this compost in her kitchen garden. Nikita uses fertilizers for plants in her garden.
Contextual part:
a- Compare the effect of Diya’s and Nikita’s action on environment.
Value based:
b-What two values are exhibited by Diya?
Value points
*sensitive to environment
*awareness
*futuristic
*active and responsible citizen
*Practice of 3 R’s
Question. Shivani goes to her village with her parents. In the village she saw farmers using DDT as pesticide.
Shivani with her parents goes and educates the farmer about ill effects of DDT.
Contextual part:
a- Explain biological magnification of DDT in a food chain.
Value based:
b-What two values are exhibited by Shivani and her parents?
Value points
*awareness
*environmentally sensitive
*helpful
*sensitive towards community
Question. Ramu from a remote village got an appointment in an MNC in Chennai. He was excited to spend his life in city, but the conditions in the city were threatening. He found over flowing garbage bins in street corners. He informed the municipality to clear it.
Contextual question
Give two ways in which the overflowing garbage would affect the environment.
Value based:
What values were exhibited by Ramu’s action?
Value points
*Responsible attitude towards society
* Concern for clean environment
*Awareness
Question. Akash was making an aquarium. Hew took care not to introduce a shark into his aquarium.
Contextual part:
Depict an aquatic food chain comprising of four steps.
Value based:
What values did Akash exhibit while making an aquarium?
Value points
*Right decision
*Concern for organisms
*Awareness
*Environmentally sensitive
Question. Mr. Raman who works in an IT company insisted his wife to buy only organic fruits and vegetables for his children.
Contextual part:
Why do you think he insisted on buying organic vegetables and fruits?
Value based:
What does he want to express the society from the above act?
Value points:
*Awarenesss
*Responsible towards community
*Concern for public health
a) Why do you think Mohini should convince her friend Meena to choose jute carry bags?
Value based
b) What values did Mohini exhibit while shopping using a Jute Bag?
Value Points
a. Environmentally sensitive
b. Active and Responsible citizen
c. Practice of 3 R’s
d. Being futuristic
Question. Mohan is affected by the news in the clearance of fourteen thousand trees to construct the new metro line and as a result he encourages others to plant saplings regularly.
Contextual Part
(a) Construct a food chain that will be affected by the clearance of this bio diversity.
Value Based
(b) What values do you think are depicted by mohan’s efforts?
Value Points
Environmentally sensitive
Participatory citizenship
Awareness
Correct decision
Any other relevant point
Question. Rahul always makes it a point to throw paper bits in green bin and also encourages his friends to do so. Rohit ignores it and throws it in black bin.
Contextual Part
a) Why there is a need to segregate wastes?
Value based
b) What concern Rahul is showing towards the environment.
Value Points
Responsible behavior
Participating citizenship
Teamwork
Sensitive to environment
Question. Rajeev, a sales executive in a MNC was not keeping well for a long time. He underwent a complete medical checkup and was diagnosed as HIV+. He was terminated on account of this condition.
Contextual Part
a) To which category of disease does AIDS belong to? Give its causative organism.
b) Do you think it was a right decision by the head of the company. justify?
Value based
C) What concern should the society show towards HIV+ individuals
Value Point
-empathy
-compassion
-sensitivity
Any other relevant point
