Consider the given statements and select the true ones $:-$
$(A)$ Health could be defined as a state of complete physical,mental and social well-being.
$(B)$ Pathogens can enter our body by various means,multiply and never interfere with the functions of organs/organ systems.
$(C)$ Salmonella typhi is a pathogenic virus which causes typhoid fever.
$(D)$ Plasmodium reproduces asexually in liver cells and $\text{RBC}$ of human.

  • A
    $A$ and $B$
  • B
    $C$ and $D$
  • C
    $A$ and $D$
  • D
    $A, C$ and $D$

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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.

Identify the number of correct statements from the following:
$(1)$ Gene therapy is used in the treatment of $ADA$ deficiency.
$(2)$ Tetanus causes sustained muscle contraction. There is a lack of relaxation phase.
$(3)$ Cigarette smoking leads to asthma in the respiratory system.
$(4)$ $A$ transplanted kidney in a patient can fail due to cell-mediated immunity.
$(5)$ Serum globulin is an antibody.

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