Chapter 7
Development through human life
Exercise-1
1. (a) What substances did primitive man consume as food?
Answer: Primitive man used to eat fruits, roots, seeds, leaves, pulses, raw meat, fish, beans etc.
(b) Why did primitive man have shelters?
Ans: Primitive man lived in caves, trunks or branches of forest trees in shelters.
(c) What were the primitive sajulibos? Why did they prepare?
Ans: In the primitive age man used stone, bone and wood for manufacturing tools. They were made to be strained, rubbed or crushed.
(d) Where was gambling invented?
Ans: The discovery of Zui was when two rocks were placed between two rocks creating sparks, or Zui was introduced after a fire in Juli.
2. Scribble:
(a) Food habits of primitive man
Answer: Primitive man used to eat naturally obtained food like fruits, roots, seeds, leaves, raw fish and meat. Over time, the habit of using sajuli and cooking chikare and cooking juit food was getting stronger.
(b) Shelter of primitive man
Answer: Primitive man used to take shelter under trees, caves or pots. Over time, they learned to build houses on the ground.
3. How did the discovery of zoos change the way of life of primitive man?
Ans: The discovery of zoology brought a great change in the life of primitive man. Zoos provided them with food, shelter from wild animals, protection from cold and shelter. It was possible to make new sajuli by melting metal with the help of logs.
Exercise-2
1. (A) What was the first animal in Manuhe Poha?
Answer: Dog was the first animal in man.
(b) Where did the era of animal husbandry begin?
Answer: Humans kill some animals for food. Animal husbandry begins in the year. Animals such as cows, goats, sheep etc. were used to feed the people.
Exercise-3
1. (a) How long did primitive man live permanently?
Answer: After the introduction of agriculture, humans began to live permanently on farms.
(b) Write the name of the people who currently live by food-gathering and smoking.
Answer: The Jaroa people of the Andaman Islands live their lives by hunting and gathering food.
(c) When did the motion start?
Ans: Manuhe first used to jump and run. Behind the house was holding the ball with the help of animals. Speed is further improved with the invention of the rear wheel.
(d) Why did humans first use paper?
Answer: Earthenware was used by humans first. They were making pots out of clay and drying them with heat.
(e) Why did the use of wheel influence the life of primitive man?
Ans: The invention of the wheel brought benefits to man. Business and agriculture were becoming easier.
2. Where did the establishment and development of agriculture take place?
Ans: During fruit-root collection of trees, humans observe the processes of seed-wearing and ripening of trees. After that, learn to plant trees and cultivate. This is the beginning of agriculture. Over time, agricultural systems improved.
Exercise-4
1. Primitive people were the first people to exchange money?
Answer: If the people produced more food or goods, they were given to other people in exchange for other things. This is how the practice of barter began.
2. In the past, where was the first trading center?
Ans: As a result of exchange system, people are immobilized in a specific place by doing transactions. Over time, these places became commercial centers.
3. Mention the name of Keikhanman Thai in India to survive the remains of the primitive age.
Ans: In India, the remains of ancient civilizations are located in Keikhanman – Bhimbetka (Madhya Pradesh), Hunsagi (Karnataka), Adichanallu (Tamil Nadu) and Belan Valley (Uttar Pradesh).