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7.Human Health and Disease
hard
Differentiate the following and give examples of each:
$(a)$ Innate and acquired immunity
$(b)$ Active and passive immunity
Option A
Option B
Option C
Option D
Solution
$(a)$
| Innate immunity | Acquired immunity |
| $(1)$ New born is born with all the elements of defense. | $(1)$ Immunity develops after the child birth. |
| $(2)$ Various barriers are present to prevent the entry of foreign agents. | $(2)$ Specialized cells like $T$-cells and $B$-cells and antibodies circulate in body fluid. |
| $(3)$ Present for whole life of an individual | $(3)$ It can be present or absent whole life of an individual. |
$(2)$
| Passive immunity | Active immunity |
| $(1)$ Ready-made antibodies are used. | $(1)$ Pathogens or antigens are required in body for its production. |
| $(2)$ Side effects are observed. | $(2)$ No side effects. |
| $(3)$ Faster immune response observed. | $(3)$ Takes time to develop immune response. |
| $(4)$ The effect lasts for only few days. | $(4)$The effect is long lasting. |
Standard 12
Biology
