12. Name two diseases each which are transmited in the following ways. (i) Through contaminated food and water (ii) Through insect Vectors (iii) Through air/droplet inhaled. 13. Mention any three causes of drug abuse. Suggest some measures for the prevention and control of drug abuse ANSWERS 11.Cannabinoids are a group of chemicals which interact with Cannabinoid receptors present Principally in the brain Cannabinoids are obtained from the inflorescences of the plant Cannabis Sativa. The substances effect the cardiovascular system adversely. 12.. (i) Typhoid, Polio, Amoebiasis (ii) Filariasis, Malaria (iii) Pnenmonia, Common cold 13.Reasons to attract towards drug abuse : Curiosity, peer pressure, escape from frustation and failure, family problems, false belief of enhanced performance. Preventive measurs :. Avoid undue peer pressure Education and Counselling Seeking help from parents and peers. Looking for danger signs Seeking professional and medical help FIVE MARKS QUESTIONS 14. Answer th following with respect to Cancer. (a) How does a cancerous cell differ from a normal cell? (b) Benign tumor is less dangerous than malignant tumor. Why? (c) Describe causes of cancer. (d) Mention two methods of treatment of the disease. 15.. The pathogen of a disease depends on RBCs of human for growth and reproduction. The person with this pathogen suffers with chill and high fever.
12. Name two diseases each which are transmited in the following ways. (i) Through contaminated food and water (ii) Through insect Vectors (iii) Through air/droplet inhaled. 13. Mention any three causes of drug abuse. Suggest some measures for the prevention and control of drug abuse ANSWERS 11.Cannabinoids are a group of chemicals which interact with Cannabinoid receptors present Principally in the brain Cannabinoids are obtained from the inflorescences of the plant Cannabis Sativa. The substances effect the cardiovascular system adversely. 12.. (i) Typhoid, Polio, Amoebiasis (ii) Filariasis, Malaria (iii) Pnenmonia, Common cold 13.Reasons to attract towards drug abuse : Curiosity, peer pressure, escape from frustation and failure, family problems, false belief of enhanced performance. Preventive measurs :. Avoid undue peer pressure Education and Counselling Seeking help from parents and peers. Looking for danger signs Seeking professional and medical help FIVE MARKS QUESTIONS 14. Answer th following with respect to Cancer. (a) How does a cancerous cell differ from a normal cell? (b) Benign tumor is less dangerous than malignant tumor. Why? (c) Describe causes of cancer. (d) Mention two methods of treatment of the disease. 15.. The pathogen of a disease depends on RBCs of human for growth and reproduction. The person with this pathogen suffers with chill and high fever.