question_answer43) Where are B-cells and T-cells formed? How do they differ from each other?
View Answer play_arrow| (a) virus (b) salmonella (c) Microsporium (d) Plasmodium | Common cold Typhoid Filariasis Malaria |
question_answer47) Why is mother's milk considered the most appropriate food for a new born infant?
View Answer play_arrowquestion_answer48) What are interferons? How do interferons check infection of new cells?
View Answer play_arrow question_answer49)
In the figure, structure of an antibody
molecule is shown. Name the parts
question_answer54)
Why is an antibody molecule
represented
?
question_answer55) What does the term 'memory' of the immune system mean?
View Answer play_arrowquestion_answer57) Differentiate between active immunity and passive immunity.
View Answer play_arrowquestion_answer58) Differentiate between bening tumour and malignant tumour.
View Answer play_arrowquestion_answer59) Do you consider passive smoking is more dangerous than active smoking? Why?
View Answer play_arrowquestion_answer60) 'Prevention is better than cure'. Comment.
View Answer play_arrowquestion_answer61) Explain any three preventive measures to control microbial infections.
View Answer play_arrow| Diseases | Causative organisma | symptoms |
| Ascariasis - Typhoid Pneumonia - filariasis | Ascaris Trichophyton - Streptococcus pneumonia Rhino viruses - | - Appearance of dry, scaly lesions on various parts of the body High fever weakness, headache, stomach pain and constipation - Nasal congeston and discharge, sore throat, cough headache Inflammation in lower limbs |
question_answer68) Why cannabinoids are banned in sports and games?
View Answer play_arrowquestion_answer69) What is secondary metabolism?
View Answer play_arrowquestion_answer70) Drugs and alcohol give short-term 'high' and long-term 'damages'.
View Answer play_arrowquestion_answer77) For an organ transplant, it is an advantage to have an identical twin. Why?
View Answer play_arrowquestion_answer78) What are lifestyle diseases? How are they caused? Name any two such diseases.
View Answer play_arrowquestion_answer80) Represent schematically the life-cycle of a malarial parasite.
View Answer play_arrowquestion_answer82) Why do some adolescents start taking drugs. How can this be avoided?
View Answer play_arrow
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