Questions

Compound word means when two or more words join together to make a single word that gives a new meaning.

Here in the options, Self-evident is the compound word.

The main purpose of balancing chemical equations is to make the mass of reactants is equal to mass of products obtained after the reaction. Hence, to make law of conservation of mass is purpose of balancing chemica equations.

Right ventricle (which pumps blood to the lungs), pulmonary artery (which carries blood to the lungs), and left atrium (which receives blood from the lungs) are involved directly in pulmonary circulation.

The word assurance means ‘guarantee’. So the Quality Assurance Group’s role is to guarantee that the product is of high quality. They examine the overall s/w development process and their responsibility is to create and enforce standards and methods to improve it with the goal of preventing bugs from ever occurring.

The study or scientific study of the structure, development, and abnormalities of the teeth is called Odontology. The science that studies teeth and their surrounding tissues, especially the prevention and cure of their diseases is called Dentology.
 

Indira Gandhi became the first woman to receive the Bharat Ratna award in 1971.