$A$ person exhibits unpredictable moods, outbursts of emotion, quarrelsome behavior, and conflicts with others. They are suffering from ....... disorder.

Which pair represents diseases spread through the air?

Which one of the following is a mental disability?

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.

Housefly transmits all the diseases except

Identify the odd one out.