YADNYA e-Learning
Environmental Studies-2 - 5th Standard
5. Evolution of Mankind
Question And Answer
1.
Fill in the blanks.
(a)
Homo is a Latin word which means Man.
(b)
The Neanderthals primarily lived in caves.
2.
Answer each question in one sentence.
(a)
Who is said to have first made tools like the hand-axe ?
Ans: Homo erectus were said to have first made tools like the hand-axe.
(b) What is heredity ?
Ans: The appearance and
health characteristics of human beings indicate their similarity to their
ancestors, this is called heredity.
3.
Give reasons for the following.
(a)
The Neanderthals became extinct.
Ans: It is believed that due
to reasons like their conflicts with homo sapiens and inability to adapt to
environmental changes the Neanderthals become extinct.
(b)
Humans could produce subtle and varied types of sounds.
Ans: Homo sapiens had
evolved to the stage of having a fully developed larynx which could produce a
range of sounds with subtle difference. Their jaws and the muscles inside the
mouth were well developed and the tongue was flexible. Hence, humans could use
them to produce a variety of sounds and modulate his voice the way he liked.
4.
Read the clues given below and find the words hidden in the box.
· Humans
who stood upright - Homo Erectus
· A
sound that Neanderthals could make - Grunt
· Humans
who used their hands - Homo Habilis
· Homo
sapiens sapiens began to grow this in fields - Grain
· Pieces
of stone used to make tools - Flakes
· It
kept Homo erectus warm although they could not make it - Fire
· A
country in which remains of Homo habilis were found - Kenya
· A
way of preparing food that Neanderthals used - Roast
· A
tool made by Homo erectus - Hand-axe
· Homo
sapiens could do this to make pictures - Flakes
· Humans
could use their hands because they learnt to stand on two of these - Feet
· The
country in which remains of Neanderthals were first found - Germany
· These
were buried with them when Neanderthals died- Horns
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H |
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D |
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M |
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G |
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M |
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Y |
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A |
A |
U |
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F |
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Q |
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N |
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Z |
W |
F |
E |
E |
T |
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T |
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K |
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H |
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C |
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