Read the following statements carefully and determine how many of them are correct.
$(1)$ Acquired immunity is characterized by memory.
$(2)$ The response provided by antibodies is $C.M.I.$
$(3)$ An exaggerated response of the immune system to certain antigens present in the environment is called allergy.
$(4)$ Innate immunity is antibody-dependent.
$(5)$ Dengue is a bacterial disease.

  • A
    $5$
  • B
    $3$
  • C
    $2$
  • D
    $1$

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Match the following columns correctly.
Column $I$ Column $II$ Column $III$
$(a)$ Typhoid $(p)$ Streptococcus $(w)$ Human skin
$(b)$ Pneumonia $(q)$ Rhinovirus $(x)$ Patient's feces
$(c)$ Common cold $(r)$ Salmonella $(y)$ Contaminated pens
$(d)$ Filariasis $(s)$ Filarial worm $(z)$ Sputum

Identify the molecules $(A)$ and $(B)$ shown below and select the right option giving their source and use.
| Molecule | Source | Uses |
| :--- | :--- | :--- |

Which disease is likely to be transmitted by sharing needles when taking drugs intravenously?

In which of the following characteristics of the body does the allergic reaction play an important role?

Match the incorrect pair.

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