Dairy products like milk, cheese and yogurt are rich source of protein as well as calcium also. 

The right ventricle transports deoxygenated blood to the lungs, where the oxygenation takes place.

Hence, the given statement is FALSE.

In the first step of DNA replication called initiation, the DNA pair gets unwidened.

A command economy types of government decide which goods would be produced without any interference of the public.

Command economy ran in Germany during the rule of Adolf Hitler. 

A command economy tends to exist under a socialist government that provides a lot of regulation.

A republic is a form of government where a state or country is ruled by peoples representatives. These representatives were elected by the people and must follow the rule of law under the constitution in his ruling.