The enlargement of the spleen during malaria is caused by:

Read the following statements carefully and identify the correct statements:
$(1)$ $TAB$ vaccine is used in typhoid.
$(2)$ Thymus is known as the $Training$ $School$ for $T$-lymphocytes.
$(3)$ Myasthenia gravis is an autoimmune disease.
$(4)$ Exaggerated response of the body to carcinogens is called allergy.
$(5)$ Turner's syndrome arises due to sex chromosome abnormality in females.

Which one of the following is a mental disability?

Match the diseases given in Column-$I$ with their related aspects (pathogens/preventive measures/treatment) given in Column-$II$.

Column-$I$	Column-$II$
$(a)$ Amoebiasis	$(i)$ Treponema pallidum
$(b)$ Diphtheria	$(ii)$ Use of hygienic food and water
$(c)$ Cholera	$(iii)$ $DPT$ vaccine
$(d)$ Syphilis	$(iv)$ Use of oral rehydration therapy

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.

Which of the following is correctly matched?