YADNYA e-Learning
Environmental Studies-2 - 5th Standard
6. Stone Age : Stone
Tools
Question And Answer
1. Fill in
the blanks.
(a) That
period, of which the tools that we find are mainly made from stone, is called
the Stone Age .
(Copper Age,
Iron Age, Stone Age)
(b) Gangapur
near Nashik is a well-known Old Stone Age site in Maharashtra.
(Gangapur,
Sinnar, Chandwad)
2. Find
out the odd pair from the following.
(a)
Rajasthan – Bagor
(b) Madhya
Pradesh – Bhimbetka
(c)
Gujarat – Langhnaj
(d)
Maharashtra – Bijapur
Ans: Maharashtra - Bijapur
3. Answer
the following questions in brief.
(a) How
did man use the percussion technique?
Ans: Homo habilis or Homo sapiens who belong to the old
stone age both made their tools using the percussion technique. This technique
involves beating or striking one large pebble against another to obtain stone
flakes.
(b) What
revolution was brought about by Homo sapiens in the tool-making technique?
Ans: Homo sapiens brought about a revolution in the technique
of making tools. He devised a technique of obtaining long and narrow blades of
stone. He made various implements like the knife, scraper, borer, chisel etc
from these long blades. He also began to use ivory and rare stones of the
quartz variety for making tools and other articles.
4. Compare
the tools from all the three periods of the Stone Age.
Ans: Old Stone Age: Homo habilis and homo erectus who
belong to the old stone age, both made their tools using the percussion
technique. This technique involves beating or striking one large pebble against
another to obtain stone flakes.
Middle Stone Age: The stone blade used to make implement
were removed from the stone by the fluted core technique. Flute means a long
parallel sided depression on blade removed with this technique are very
minute-the size of a nail or slightly bigger. Hence they are called as
microliths. Micro means very small and lithos means stone. In this stone age
arrows were made by fixing a microlith at the tip of a stick.
New Stone Age: In this period stone tools that were
polished to give a smooth shiny finish were made for the first time. As this
was new type of tool making technique this period was name as the New Stone
Age.
5. Which
of the following modern machines has stone grinders?
(a) Mixer
(b) Flour
mill
(c) Juicer
Ans: Flour mill
6. Show
the following places on the map of India.
(a) A site
of the Old Stone Age in Maharashtra- Gangapur, Nashik
(b) A
river basin with New Stone Age sites- Uttarkhand
(c) A site
of the Middle Stone Age in Madhya Pradesh- Narsingpur
Wow
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