SELECT * FROM question_mgmt as q WHERE id=10348 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=97 AND chapterId=1361 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 11th history-themes-in-world-history From the Beginning of Time look at the diagram showing the positive feedback

Question:

Look at the diagram showing the positive feedback mechanism on page 13. Can you list the inputs that went into tool making? What were the processes that were strengthened by tool making?

Answer:

After going through the positive feedback mechanism following points can
be inferred:

(a) Inputs that helped in tool making:
● Increased brain size and capacity of brain
● Upright walking
● Visual surveillance long distance
● Walking while foraging and hunting.

(b) The processes that were strengthened by tool making:

● Upright walking                                                                                                   ● Increase in size and capacity of brain
● Visual surveillance, long distance walking while foraging and hunting.


< Previous Question

Next Question >

SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='2' AND subId='97' AND ex_no!=0 AND status=1 and id!=10348 ORDER BY views desc, last_viewed_on desc limit 0,10

  • Popular questions of class 11 History - Themes in World History

SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='2' AND subId='97' AND ex_no!=0 AND status=1 and id!=10348 ORDER BY last_viewed_on desc limit 0,10

  • Recently Viewed Questions of Class 11 History - Themes in World History

Comments

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

Comment(s) on this Question


NCERT Solutions

Quick Links

Resources

Support