Assertion $(A)$ : Antigen can be easily recognized because it has antigenic determinants.
Reason $(R)$ : The recognition ability is innate.
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
If the Assertion is correct but Reason is incorrect.
If both the Assertion and Reason are incorrect.
$A$ - The vaccines generate memory - $B$ and $T$ - cells. $R$ - In vaccination activated pathogens are introduced into the body.
What are pathogens ?
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:
What are recombinant $DNA$ vaccines ? Give two examples of such vaccines. Discuss their advantages.