Recent questions tagged value-based-question

In a co educational school, the students of higher classes are often confused and uncomfortable with the development changes that their bodies undergo. Seeing this, the Biology teacher decided to conduct a seminar on the * education. Other teachers objected this saying it is totally unnecessary. a)What value system does the teacher show?b) What kind of change do adolescent children undergo?c.)Is * education advisable in schools?

asked Dec 28, 2016 by meena.p

1 answer

Mrs Kavitha was eager to know the * of the foetus that her daughter-in-law was carrying. She was so anxious that she was ready to pay any amount for it. The doctor refused to disclose the test result. a.What is the value exhibited by the doctor? b. How can we know the * of the foetus? How is it done? c. Why is disclosing the *** of the foetus banned in our country?

asked Dec 27, 2016 by meena.p

1 answer

Anitha was very happy when she gave birth to her first child. Her in laws were dissatisfied at her for not giving birth to a male child and blamed Anitha. Anitha tried to convince her in laws that she had no role in the child’s gender. They understood the biological reason, yet were not satisfied. Anitha’s husband took up the matter and convinced his parents. a. What values did Anitha’s husband show in the above situation? b.What governs *** determination in humans? How is it different from birds? c.Why cannot Anitha be blamed for not giving birth to a male child?

asked Dec 23, 2016 by meena.p

1 answer

Rita and her parents were watching a TV serial in the evening. During a commercial break, an advertisement flashed on the screen that was promoting use of sanitary napkins. Rita was still watching the TV. The parents got embarrassed and changed the channel. Rita objected to her parents behavior and explained the need of these advertisements. a.What values did parents show? b.Briefly describe the phases of menstrual cycle c. Do you think such advertisements should be avoided or banned? Why?

asked Dec 21, 2016 by meena.p

1 answer

Some parents wrote a complaint letter to the local municipality to remove all the hoardings in the city advertising the use of condoms and matters related to AIDS prevention. The children of these parents came to know about the matter and raised their voice against removal of hoardings. The parents were convinced by the awareness level of their children and withdrew their complaint a)Parents considered the hoardings as sight pollution. Why do you disagree? b)What value is promoted by the children protesting against their parents? c)What are the methods through which AIDS spread?

asked Dec 20, 2016 by meena.p

1 answer

On world population day, Rohit and his friends arranged an awareness campaign programme in their locality. Some elderly people rebuked the children and asked them not to talk on such things in public. The children convinced the elders about the need of the programme and on the understanding their point of view, they also joined the campaign a.) What values did elderly people and Rohit show on the occasion? b)Why is such an awareness programme necessary? c)What role the government has played in controlling population explosion?

asked Dec 19, 2016 by meena.p

1 answer

A teenage girl accidently became pregnant . she stopped coming to college and also preferred to remain insolated. She was scared to inform her parents. One of her friends Shwetha, met her and came to know about her problem. She took her to a doctor and got her aborted. She convinced her parents and kept the matter concealed. a. Did Shwetha take correct decision? What values did she show? b. What is the medical term for abortion? What is the period considered safe for abortion? c. What prevention may be taken to avoid pregnancy?

asked Dec 8, 2016 by meena.p

1 answer

During a visit to Kedarnath, Mohan came across a young couple staying in the adjacent room in the hotel. He learnt that the couple had been visiting different temples and performing rituals to get a child. Mohan was astonished and explained to them about ART which he had learnt in the biology class recently. The couple were happy and understood the wrong approach and thanked Mohan. a.Identify the values shown by Mohan. b)What is ART? What are the various methods of ART? c)What are the limitations for which ART is not commonly accepted?

asked Dec 7, 2016 by meena.p

1 answer

Ratan lives in a remote village. Suddenly, he comes to know that his father has arranged the marriage of younger sister who is barely 14 years old, to a well-to-do middle aged man living in a nearby village. Ratan objected to his father’s act. Ratan was not convinced by his father’s saying that a better groom might not be available later. Ratan complained to the village head and got the problems solved.a. Did Ratan act properly by approaching the village head? Why or why not?b. What biological considerations made Ratan object to his father’s decision? c. What values and responsibilities did Ratan show?

asked Dec 5, 2016 by meena.p

1 answer

Joy loves to play football and was selected as a captain of the school team for the district level tournament. He also does social work . He attended blood donation camp to donate blood and he came to know that he was HIV positive. He lost interest in games and refused to play or study. He started counting his days. He remained absent from the school for a long time. The Biology teacher visited his house and counseled him. Joy was back to school and played the tournament also.a.What sense of responsibility did the teacher exhibit?b.A person detected to be HIV positive should be isolated in the society. Do you agree? Why or why not?c.How is AIDS not spread?

asked Dec 2, 2016 by meena.p

1 answer

Drugs containing carboxylic Acid organic acids characterized by the presence of at least one carboxylic group. The general formula of a carboxylic acid is $R-COOH$. The carboxylic acids find a use in the manufacture of many useful drugs.one Such important drug is aspirin Answer the following (i) What is the IUPAC name of the drugs ? Name the functional groups present in the drug . (ii) Can the drug be prepared in the lab ? (iii) A person goes to the shop keeper to get aspirin pills without doctors presoription . The chemist is reluctant to give him pills with out doctor's prescription . (iv) Which values are reflected in chemists approach ?

asked Nov 28, 2016 by meena.p

1 answer

Rahul observed that families from nearby localities bring loads of laundry to wash in the river practically every day, while others bring their cars, taxis and rickshaws and wash them clean by using water from the river. The same water was being consumed by people living downstream.When he tried to stop people from washing clothes and cleaning vehicles.Nisar Khadim a local resident objected. “It makes no difference if we wash our cars and clotheshere. It is a gift from nature,” he said ,Answer the following question a)Who do you think is right Rahul or the taxi driver?Give a reason for your answer. b) What are the values associated with the answer?

asked Nov 28, 2016 by meena.p

1 answer

A survey revealed that most of the industries in Najafgarh area have not installed smoke precipitators in the chimneys. a) What is the use of smoke precipitators? b) Why do you feel that it should be mandatory for industries to install smoke precipitators?

asked Nov 28, 2016 by meena.p

1 answer

famous sweet in hyderabad , Rishi bought some sweets . He requested the sales boy to put the sweets in a polythene bag.The sales boy refused to do so, instead he kept the sweet box in a paper bag. After reading the above passage answer the following questions. (i) Why did the sales boy refuse to put the sweet box in a polythene bag? (ii) As a student of chemistry, why would you advocate the use of paper bags instead of polythene bags?Which values are promoted through the use of paper bag? (iii) Suggest two activities to promote these values.

asked Nov 28, 2016 by meena.p

1 answer

Ethyl alcohol to which another liquid has been added to make it unfit for use as beverage is called denatured alcohol. Ethyl alcohol denatured by adding methyl alcohol, is highly poisonous. Answer the following questions: (i) Mention another way by which alcohol is denatured. (ii) Explain why methanol is highly toxic to human beings? (iii) How is methanol prepared on large-scale? Give its two important uses.

asked Nov 28, 2016 by meena.p

1 answer

Purification of drinking water is a big problem. In your locality, vendors of various companies are promoting RO units for purification of water for domestic use irrespective of whether it is required or not. Answer the following questions: (i) What is the meaning of RO? (ii) Would you recomend the installation of RO units in all the areas? (iii) Support your views with reasons.

asked Nov 28, 2016 by meena.p

1 answer

Earth receives enormous amount of energy from sunlight. The problem of shortage of power can be solved if we could convert solar energy into electricity. A device which generates electrical power from sunlight is called solar cell or photovoltaic cell. Solar cells are made up of silicon doped with arsenic and silicon doped with boron. Answer the following questions: (i) When silicon is doped with arsenic, what type of semiconductor is obtained? Explain. (ii) What type of semiconductor is obtained by doping silicon with boron? (iii) Give any two applications (other than solar cells) of semiconductors.

asked Nov 28, 2016 by meena.p

1 answer

A boy baths in the first shower of rainfall during rainy season and his body gets yellowish brown colour patches on the whole body for which he was medicated. Answer the following questions: (i) Why the skin of the boy got yellowish brown patches. (ii) As a student of chemistry what do you think could be reason and the term you would use to explain it? (iii) Which values are promoted through this activity? (iv) Suggest two activities to promote these values.

asked Nov 28, 2016 by meena.p

1 answer

On visit to your native village, you find that lot of smoke, dust and some other gases are coming out of the chimney of a recently set up factory near the village which is the cause of many respiratory problems for the people living there. Answer the following questions (i) As a chemistry student, what method you will suggest the factory owner to manage dust and smoke? (ii) What is the basic principle involved in your suggestion? (iii) What values are associated with your advice?

asked Nov 22, 2016 by meena.p

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