An antibody is
Molecule that specifically inactivates an antigen
$WBC$ which invades bacteria
Secretion of mammalian $RBC$
Component of blood
Assertion : Interferons are effective against viruses.
Reason : Proteins which can be synthesized only by genetic engineering are effective against viruses.
What are interferons ? How do interferons check infection of new cells ?
Colostrum, the yellowish fluid, secreted by mother during the Inittlal days of lactation is very essentlal to impart immunity to the newbom infants because it contains
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 ?
Which of the following are Autoimmune disorders?
$A$. Myasthenia gravis $B$. Rheumatoid arthritis
$C$. Gout $D$. Muscular dystrophy
$E$. Systemic Lupus Erythematosus ($SLE$)
Choose the most appropriate answer from the options given below: