alleryRoughly how long ago did a human ancestor make the earliest known stone tools?
A3.3 million years
B33,000 years
C330,000 years
D33 million years
Answer & Solution
Correct answer: A. 3.3 million years
The earliest stone tools were made about 3.3 million years ago, marking the start of human behaviour.
Keep practising Early Humans and Civilisation
Browse all Early Humans and Civilisation questions for CBSE Class 9, or explore more Social Science topics.
Related questions
The Sumerians were the first to build which water system for farming?Later hunter-gatherers invented which weapon along with blade and microblade tools?Which Harappan site is known for a huge dockyard built entirely of burnt bricks?Which Harappan site in Kachchh has an elaborate system of water-storing tanks?Harappans weighed smaller units in which pattern of multiples?Which World Heritage Site in Madhya Pradesh has hundreds of painted rock shelters?Around 12000 years ago, what change in the environment opened new landscapes for MesolithiWhich two crops did the people of Mehrgarh cultivate?