'Piklihal' and 'Utnur' are important ______ sites.

The correct answer is Neolithic.'Piklihal' and 'Utnur'

are important neolithic sites.

• Some of the important Neolithic sites:

​Additional Information

• Paleolithic: 
  • It is the earliest Stone age period dating 2.6 million years ago.
  • The age is distinguished by the most primitive stone tools. Humans during the era grouped together in small “bands” and were involved in gathering plants, fishing, and hunting.
  • The palaeolithic period is the longest in human history.
  • The age can be divided into lower Paleolithic, Middle Paleolithic, and Upper Paleolithic. 
  • During the end of the age, people developed spiritual and religious beliefs as depicted in some of the excavations.
• Mesolithic: It is the second period of the stone age between the Paleolithic and Neolithic. The start and end of the age vary by geographical region. It is a transition period from hunting and gathering as in the Paleolithic to domestication as in the Neolithic. The tools used were the mode V chipped stone tools (microliths).
• Neolithic: It is the 3rd period of the stone age and is often referred to as the “New stone age”. Its time period is considered to be around 10,200 BC to 4,500BC, which ended with the beginning of the “Bronze Age”.
• Megalithic: Megaliths are derived from the Latin mega (large) and lith (stone). Megaliths were constructed either as burial sites or commemorative (non-sepulchral) memorials.