Tuberculosis was known as the white death and the great white plague during the 19th century. Tuberculosis is an infectious disease caused by the bacterium Mycobacterium tuberculosis (MTB). It can occur in any organ of the body but is most well known in the lung.

Correct Option: C

Tuberculosis was known as the white death and the great white plague during the 19th century. Tuberculosis is an infectious disease caused by the bacterium Mycobacterium tuberculosis (MTB). It can occur in any organ of the body but is most well known in the lung.

Gustation is usually called the sense of taste. Taste is the sensation produced when a substance in the mouth reacts chemically with taste receptor cells located on taste buds in the oral cavity, mostly on the tongue.Taste cells are gathered together in taste buds on the tongue, and taste buds are hidden in bumps on the tongue called papillae.

Correct Option: D

Gustation is usually called the sense of taste. Taste is the sensation produced when a substance in the mouth reacts chemically with taste receptor cells located on taste buds in the oral cavity, mostly on the tongue.Taste cells are gathered together in taste buds on the tongue, and taste buds are hidden in bumps on the tongue called papillae.

Human immunodeficiency virus (HIV) attacks and kills crucial immune system cells, known as T-helper cells. A T cell, or T lymphocyte, is a type of lymphocyte (a subtype of white blood cell) that plays a central role in cell-mediated immunity. They are called T cells because they mature in the thymus from thymocytes.

Correct Option: C

Human immunodeficiency virus (HIV) attacks and kills crucial immune system cells, known as T-helper cells. A T cell, or T lymphocyte, is a type of lymphocyte (a subtype of white blood cell) that plays a central role in cell-mediated immunity. They are called T cells because they mature in the thymus from thymocytes.

Ebolais a viral hemorrhagic fever of humans and other primates caused by ebolaviruses. The largest outbreak to date of Ebola was the epidemic in West Africa, which occurred from December 2013 to January 2016 with 28, 616 cases and 11,310 deaths.

Correct Option: A

Ebolais a viral hemorrhagic fever of humans and other primates caused by ebolaviruses. The largest outbreak to date of Ebola was the epidemic in West Africa, which occurred from December 2013 to January 2016 with 28, 616 cases and 11,310 deaths.

The platypus, also known as the duck-billed platypus, is a semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania. Together with the four species of echidna, it is one of the five extant species of monotremes, the only mammals that lay eggs instead of giving birth.

Correct Option: D

The platypus, also known as the duck-billed platypus, is a semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania. Together with the four species of echidna, it is one of the five extant species of monotremes, the only mammals that lay eggs instead of giving birth.