Biology Questions

Plantain plant is a herb, because it does not have an aerial stem - what appears as a stem is really the leaves with sheathing bases. As the piant lives for several years it is called perennial herb

A. J . Oparin was the first to propose the origin of life from inorganic chemical atoms like Oxygen, Hydrogen, Nitrogen and Carbon.

Outward extension of the shoulder bone is called as the acromion.

Trypanosoma is a protozoan animal. It lives as a parasite in the blood and later invades the cerebrospinal fluid to cause the sleeping sickness. This parasite is transmitted by the Tsetse fly.

Improving muscular strength and endurance slows bone density loss.

Pulmonary abscess is a type of liquefactive necrosis of the lung tissue. 

Hence, Localized area of pus formation in the lungs is Pulmonary abscess.

Here the Nitrogenous Food is Proteins.

Nitrogenous Food ::

The animal body is more than a machine. It requires fuel to enable it not only to work but also to live, even without working. A part of the food eaten must go to maintain the body

Nitrogenous food compounds are sometimes classed together under the name of proteins. These may be divided into proteids, gelatinoids, and extractives.