"Graveyard of $RBCs$''
Liver
Spleen
Kidney
All the above
Assertion : Interferons are a type of'antibodies produced by body cells infected by bacteria.
Reason : Interferons stimulate inflammation at the site of injury.
Which is an auto immune disease
Match the columns :
Column - $I$ | Column - $II$ |
$(a)$ Physical barrier | $(1)$ skin |
$(b)$ Physiological barrier | $(2)$ interferon protein |
$(c)$ Cellular barrier | $(3)$ leucocytes |
$(d)$ Cytokine barrier | $(4)$ Saliva in the mouth |
Consider the following statements
$I.$ People should get vaccination to avoid infection
$II.$ Vaccination is available against polio, cholera, typhoid, tuberculosis and many othe disease
$III.$ Eradication of vectors are necessary in diseases like malaria and filariasis
$IV. $ Dengue and chikengunya, both are spread by Culex mosquitoes
Which of the statements given above are correct?
Many microbial pathogens enter the gut of humans along with food. What are the preventive barriers to protect the body from such pathogens ? What type of immunity do you observe in this case ?