KPK 11th Class Biology Chapter 13 Immunity Short Questions Answers
KPK 11th Class Biology Chapter 13 Immunity Short Questions with answers are combined for all 11th class(Intermediate/hssc) Level students.Here You can prepare all Biology Chapter 13 Immunity short question in unique way and also attempt quiz related to this chapter. Just Click on Short Question and below Answer automatically shown. After each question you can give like/dislike to tell other students how its useful for each.
Class/Subject: 11th Class Biology
Chapter Name: Immunity
Board: All KPK Boards
- Malakand Board 11th Class Biology Chapter 13 Immunity short questions Answer
- Mardan Board 11th Class Biology Chapter 13 Immunity short questions Answer
- Peshawar Board 11th Class Biology Chapter 13 Immunity short questions Answer
- Swat Board 11th Class Biology Chapter 13 Immunity short questions Answer
- Dera Ismail Khan Board 11th Class Biology Chapter 13 Immunity short questions Answer
- Kohat Board 11th Class Biology Chapter 13 Immunity short questions Answer
- Abbottabad Board 11th Class Biology Chapter 13 Immunity short questions Answer
- Bannu Board 11th Class Biology Chapter 13 Immunity short questions Answer
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KPK 11th Class Biology Chapter 13 Immunity Short Questions Answers
What are pyrogens? How they affect the hypothalamus?
Once the pathogens neutralize the response from 1st line of defense, they are encounter by second line of defense.
The second line of defense is non-specific and compassed of macrophages, Neutrophils, Natural killers cells and the complement system etc.
List three benefits of fever?
Due to fever the antibody specifically attack on exact invaders
Due to fever more WBCs produced to fight invaders
Due to fever more interferon viruses
Due to fever temperature increases which directly kills microbes.
How interferons? Inhibit the ability of viruses to irrect cells?
A substances that triggers the specific defenses of the immune system is know as an intigen
Carbohydrates, proteins and lipid on the surface viruses, Bacteria and other pathogens may Serve as antigens that triggers responses by vthe immune system.
What would happen if mucous of bronchi fails to do it job?
The cilia and mucous membrane of the nose filter out dangerous particles i.e Bacteria viruses dust, pollen etc.
The cilia and mucous warm the cold breath that tends to demaging sensitive lung tissue
What are the agent of non-specific defense and specific defense?
The agents of specific defense are cell mediated immune response and the antibody mediated immune response while the agents of non-specific defense are skin, mucous membrane, sweat tears, saliva HCL in stomach, WBCS, Lymph nodes, spleen, pus, Eerer, intertferon etc.
Define allergy and allergens. List down some common allergic conditions?
Allergies are abnormal reactions to ordinary harmless substances.
The sensitizing substances are called allergens, may be into contact with skin
Allergens may be pollens old spores, house dust mites, animal danders food insect spore latex viruses bacteria cold temperature etc
All can develop at any age mostly it genetic
It is related to ones family history of allergy, if neither parent is allergic the chance for allergy is about 15%
If one is allergic the risk increase to 30% If both parents is allergic the risk increase to 60%.
Differentiate b/w the two types of acquired immunity?
It is the immunity acquired during one’s own life. It is developed by the organism in response to a disease caused by the infection of microbes or vaccines.
The acquired immunity is of 2-types
