These are the important Questions asked from Biology in Human Welfare Chapter in JKBOSE/other State Board Class 12th Class Examinations
Note: Only Short & very short answer type Questions are asked from this chapter
Q1. What is cancer? What are the five types of cancer?
Q2. Write short note on pathogens?
Q3. What are vaccines?
Q4. Alcohol is not a food. Comment on this statement?
Q5. How does the transmission of amoebiasis take place?
Q6. Define vaccine? How can monoclonal antibodies be used in the production of vaccines?
Q7. What are carcinogens? Name few? Give four danger signals of cancer?
Q8. How do some addicts use combination of drugs. How is it harmful?
Q9. Write short note on Diary farming?
Q10. What are the symptoms of malaria?
Q11. Define Vaccine production? Give its uses?
Q12. Write a note on silkworm as an insect for human welfare?
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JKBOSE 12th Class Biology Papers of last 10 years | Important Questions
Q13. Write a short note on Influenza?
Q14. What is honey? Give two uses of honey?
Q15. What do you mean by amoebiasis? How is it caused?
Q16. What is "lac"? Give two uses?
Q17. How is sex of a male Honey Bee determined?
Q18. What is the source of silk? Give its two uses?
Q19. Write the scientific name of Silk moth.
Q20. Biofertilizers are better than Chemical fertilizers. Justify?
Q21. What are the various applications of plant tissue culture?
Q22. Suggest any three measures for controlling pollution of our lakes?
Q23. Write a short note on single cell protein
Q24. What are the advantages and disadvantages of Biofertilisers?
Q25. What are the advantages and disadvantages of Biogas?
Q26. Explain what is meant my Biofortification?
Q27. Name any genetically modified crop?
Q28. What is apiculture? How is it important in our lives?
Q29. Name the different methods employed in animal breeding.
Q30. Describe briefly various steps involved in plant breeding?
Q31. Discuss the role of fishery in the enhancement of food production?
Q32. What do you mean by Micropropagation?
Q33. What is the key difference between primary and secondary sewage treatment?
Q34. How do biofertilisers enrich the fertility of the soil?
Q35. What is BOD?
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Q36. Explain what is meant by metastasis?
Q37. How does the transmission of each of the following diseases takes palce?
(a) Amoebiasis (b) Malaria (c) Ascariasis (d) Pneumonia
Q38. Expand each one to its full form:
(a) MALT (b) CMI (c) AIDS (d) NACO (e) HIV
39. List the harmful effects caused by alcohol/drug abuse.
Q40. Draw a well labelled diagram of an antibody molecule?
Q41. Name the primary and secondary lymphoid organs?
Q42. Differentiate the following and give examples of each:
(a) Innate and acquired immunity
(b) Active and Passive immunity
Q43. How is a cancerous cell different from a normal cell?
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