CBSE Class 12 Biology Sure Short Questions Set Worksheet Set B

CBSE Class 12 Biology Sure Short Questions Set (2). CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.


Q.1 Tarun was one of the best boys in the class. In spite of his efforts he was not doing well in class XI. His father wanted him to qualify for medical sciences. He got frustrated with his results and resorted to drugs. He started misbehaving with parents and friends in school.His friends started neglecting him. The school authorities counselled Tarun but to no effect. His parents were upset and took him to a rehabilitation centre. After a few months he came back recovered.

a) What values did the Principal reflect through his initiative?

b) What is drug abuse?

c) Name some commonly abused drugs and their source.

d) What should be the attitude of his parents after his return? 

Q.2 Joy loves to play football and was selected as captain of the school team for the district level tournament. He also does social work. He attended a blood donation camp to donate blood and 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 school for a long time. The Biology teacher visited his house and counselled him. Joy was back at school and also played the tournament.

a) What sense of responsibility did the Biology teacher exhibit?

b) A person detected to be HIV positive should be isolated in the society? Do you agree? Why/ Why not?

c) How is AIDS not spread?

Q.3 Ratan lives in a remote village. Suddenly he comes to know that his father has arranged the marriage of his younger sister, who is only 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 idea that a better groom might not be available later. Ratan complained to the village head and got the problem solved.

a) Did Ratan act properly by approaching the village head? Why/ Why not?

b) What biological considerations made Ratan object to his father’s decision?

c) What values and responsibilities did Ratan show? 

Q.4 During a visit to Kedarnath, Mohun 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. Mohun was astonished and explained to them about ART which he had recently studied in Biology. The couple were happy and understood their wrong approach and thanked Mohun.

a) Identify the values which Mohun has shown.

b) What is ART? What are the various method included in ART?

c) What are the limitations for which ART is not commonly accepted? 

Q.5 A teenage girl accidently became pregnant. She stopped coming to college and also preferred to remain isolated. She was scared to inform her parents. One of her friends Sweta met her and came to know about the problem. She took her to a doctor and got her aborted. She convinced the parents and kept the matter concealed.

a) Did Sweta take the correct decision? What values did she show?

b) What is the medical term for abortion? What is the period which is considered safe for abortion?

c) What prevention may be taken to avoid pregnancy? 

Q.6 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 for the programme and on understanding their point of view, they also joined the campaign.

a) What values did the elderly people and Rohit show on the occasion?

b) Why is such awareness programme necessary?

c) What role has the government played in controlling population explosion?

Q.7 Some parents wrote a complaint letter to the local municipality to remove all hoardings in the city advertising the use of condoms and matters relating to AIDS prevention. The children of these parents came to know  about the matter and raised their voice against removal of those hoardings.

The parents were convinced by the awareness level of their children and withdrew the complaint.

a) Parents considered the hoarding as sight pollution. Why do you disagree?

b) What value is promoted by the children protesting against their parents?

c) What are the methods by which AIDS spreads?

Q.8 Rita and her parents were watching a TV serial in the evening. During a commercial break, an advertisement flashed on the screen which 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’ behaviour and explained the need for these advertisements.

a) What values did the parents show?

b) Briefly describe the phases of a menstrual cycle.

Q.9 Anita was happy when she gave birth to her first child. Her in- laws were dissatisfied at her not giving birth to a male child and blamed Anita.

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