Identify the plant part shown in the figure.

Given below are the pairs of pathogens and the diseases caused by them. Which out of these is not a matching pair and why?
$(a)$ Virus - Common cold
$(b)$ Salmonella - Typhoid
$(c)$ Microsporum - Filariasis
$(d)$ Plasmodium - Malaria

Match the following columns.

Column-$I$	Column-$II$
$(1)$ $HIV$	$(v)$ Oncogenic virus
$(2)$ Cancer	$(w)$ Microsporum,Trichophyton
$(3)$ Allergens	$(x)$ Retrovirus
$(4)$ Ringworm	$(y)$ Colostrum
	$(z)$ Serotonin

Read the following sentences and choose the correct sentences:
$1.$ Dysentery,plague,and diphtheria are caused by bacteria.
$2.$ $Salmonella$ $typhi$ directly affects the respiratory system.
$3.$ Amoebiasis and Ascariasis are caused by contaminated water.
$4.$ Internal bleeding,anemia,and muscular pain are symptoms of elephantiasis.

Read the statements carefully and determine how many statements provide correct information.
$(1)$ In innate immunity,the cellular barrier is represented by four main types of cells.
$(2)$ The $BCG$ vaccine contains live attenuated Mycobacterium.
$(3)$ In $G-6-P$ dehydrogenase deficiency,$RBCs$ start to disintegrate (hemolysis).
$(4)$ Nicotine stimulates the adrenal gland.

Match the following columns:

Column-$I$	Column-$II$
$(A)$ Typhoid	$(i)$ $HIV$
$(B)$ Malaria	$(ii)$ Rhinovirus
$(C)$ Common cold	$(iii)$ Salmonella
$(D)$ Pneumonia	$(iv)$ Plasmodium
$(E)$ $AIDS$	$(v)$ Haemophilus