RBSE Solutions for Class 11 History Chapter 1 From the Beginning of Time

Rajasthan Board RBSE Solutions for Class 11 History Chapter 1 From the Beginning of Time Textbook Exercise Questions and Answers.

RBSE Class 11 History Solutions Chapter 1 From the Beginning of Time

RBSE Class 11 History From the Beginning of Time Textbook Questions and Answers

Answer in brief:

Question 1. 
Look at the diagram showing the positive feedback mechanism on page 13. Can you list the input that went into tool making ? What were the processes that were strengthened by tool making?

Answer: 
By carefully analysing the feedback mechanism in diagram we can conclude :
(i)  Increase in the size and capacity of brain.
(ii) Upright walking.
(iii) Hand freed for using tools and carrying infants objects.
(iv) Visual surveillance.
(v) Long distance walking while foragins and hunting.

Question 2. 
Humans and mammals such as monkeys and apes have certain similarities in behaviour and anatomy. This indicates that humans possibly evolved from apes. List these resemblances in two columns under the headings of :
(a) behaviour and 
(b) anatomy.
Are there any differences that you think are noteworthy ?
Answer:

Question 3.
Discuss the arguments advanced in favour of the regional continuity model of human origins. Do you think it provides a convincing explanation of the archaeological evidence ? Give reasons for your answer.
Answer: 
The regional continuity model of human is based on the original difference in the characteristics of present human organs.These differences or dissimilarities occurs due to presence of some Homo-heidelbergensis and Homoerectus generation in some region of the present world.
No, it does not provide a convincing explanation because other explanation i.e.,

Complete replacement model visulise replacement everywhere all over region where modem human beings are living.

Question 4.
Which of the following do you think is best documented in the archaeological record :
(a) gathering 
(b) tool making
(c) the use of fire
Answer: 
(b) Tool making is the best document in archaeological records.

Answer in a Short Essay :

Question 5. 
Discuss the extent to which :
(a) hunting and
(b) constructing shelters would have been facilitated by the use of language. What other modes of communication could have been used for these activities ?
Answer: 
(a) The use of language facilitated hunting activity of human in following ways :
(i)    People now could organise and manage hunting expedition.
(ii) They can exchange ideas about the region where specific animals were found.
(iii) They could now discuss about the nature and behaviours of animals.
(iv) They could also discuss how to consume the meat of animals.
(v) They can also discuss the nature of tools used in hunting.

(b) Language played an important role in the construction of shelter for early humans in following ways :
(i) People could now discuss about secure places for construction of their shelter.
(ii) People became eligible to get knowledge about the material used for construction in their huts/shelters.
(iii) They could also now get information 
about the resources available in and around their surroundings.
(iv) They could also discuss the means to protect their shelter from severe condition.
Signs, symbols, oral voice shouting, cave paintings, engraving on the walls and ceiling on the caves are the other useful modes of communication used for these activities.

Question 6. 
Choose any two developments each from Timelines 1 and 2 at the end of the chapter and indicate why do you think these are significant.
Answer: 
First developments in Timeline-I (MYA) : It is an anatomical and physiological change that could take place after a longer interval of 12mya. The monkey (hominoid) in Africa could become African ape (hominid) our first ancestor.

The second important development:
It took place due to tropical climate formed and Australopithecus turned into the genes Homo. It took time about 3 millions (i.e., 5.6-2 mya).

Development in Timeline-II :

(i) The first development related to vocal chord in human anatomy far back in 2 lakh years ago. It greatly helped in the development of skill and expertise in doing things easier than the period, humans had not vocal chord.

(ii) The second important development that could be construed the period of 21 thousand years ago when sewing needles, were invent. This invention of sewing needle brought revolution in the fields of growing cotton, jute, silk etc., fiber crops, weaving, spinning etc.