Chapter 9
Life of Early Man
Highlights
- A. Tick the correct option
- B. Fill in the blanks
- C. Match the following
- D. Correct the following sentences
- E. Answers the following questions
EXERCISE
A. Tick the Correct Option
- 1. Which continent is believed to be the origin of mankind?
Answer: vacuole
- 2. When did man become a skilled tool-maker?
Answer: vacuole
- 3. The tools of Palaeolithic man were made up of-
Answer: vacuole
- 4. The first animal domesticated by man was-
Answer: vacuole
- 5. The early man travelled from place to place in search of-
Answer: vacuole
B. Fill in the blanks.
- 1. The greatest achievement of man during Palaeolithic Age was ___________.
- 2. Palaeo means ___________ and lithic means ___________.
- 3. In India, the remains of Mesolithic man have been found in the regions of ___________ and ___________.
- 4. ___________ was the first metal discovered by man.
- 5. ___________ man believed in life after death.
C. Match the following :
- Column A
- 1. Golgi Complex
- 2. Ribosomes
- 3. Chromosomes
- 4. Dead cells
- 5. Photosynthesis
- Column B
- (a) genes
- (b) cork
- (c) chloroplasts
- (d) packaging center
- (e) protein synthesis
C. Number the following sentences in the order in which they occurred in the life of the early man.
- 1. He invented fire.
Answer: Sharing of chores reduces the burden.
- 2. He started weaving his clothes.
Answer: The older family member pass on the family traditions to the younger generation.
- 3. He covered his body with the skins of animals.
Answer: There is more interaction between parents and children in nuclear families.
- 4. Metal Age started after the Stone Age.
Answer: A surname is a family name.
- 5. He invented the wheel.
Answer: A surname is a family name.
- 6. He made pots.
Answer: A surname is a family name.
- 7. He moved towards water sources.
Answer: A surname is a family name.
- 8. He started using bones and horns as tools.
Answer: A surname is a family name.
D. Answer the following questions in brief.
- 1. Mention the sources that enable us to understand the history of early man.
Answer: The (main) factors that determine the shape of a cell are location and function.
- 2. List the three phases of Stone Age.
Answer: Distinguish between unicellular and multicellular organisms are
Unicellular organisms are made up of a single cell. e.g., Euglena and Amoeba.
Multicellular organisms are made up of many cells. e.g., Humans and Birds.
- 3. How did early man obtain his food?
Answer: All organisms are made up of cells. A cell is capable of independent existence. Due to this, cell is called the structural and functional unit of life.
- 4. State any two uses of fire in the Old Stone Age.
Answer: Mitochondria is known as the Powerhouse of the cell.
Mitochondria are the site of cellular respiration. Energy is produced during this process. Due to this, mitochondria are called the Powerhouse of the cell.
- 5. What is meant by Chalcolithic period?
Answer: All organisms are made up of cells. A cell is capable of independent existence. Due to this, cell is called the structural and functional unit of life.
E. Answer the following questions.f.
- 1. Describe any four major changes that took place in human life during Mesolithic age.
Answer: All organisms are made up of cells. A cell is capable of independent existence. Due to this, cell is called the structural and functional unit of life.
- 2. What were the beliefs of Neolithic man about life?
Answer: All organisms are made up of cells. A cell is capable of independent existence. Due to this, cell is called the structural and functional unit of life.
- 3. How did the invention of wheel help in the development of human civilisation?
Answer: All organisms are made up of cells. A cell is capable of independent existence. Due to this, cell is called the structural and functional unit of life.
- 4. Distinguish between Paleolithic and Neolithic Age with respect to tools, occupations and inventions.
Answer: All organisms are made up of cells. A cell is capable of independent existence. Due to this, cell is called the structural and functional unit of life.
- 5. How were the tools of Paleolithic man different from that of Mesolithic age?
Answer: All organisms are made up of cells. A cell is capable of independent existence. Due to this, cell is called the structural and functional unit of life.
Related Topics
- Chapter 1 The Cell – Its Structure and Functions
- Chapter 2 Microorganisms: Friends or Foes
- Chapter 3 Metals and Non-Metals
- Chapter 4 Force and Pressure
- Chapter 5 Friction
- Chapter 6 Sources of Energy
- Chapter 7 Combustion
- Chapter 8 Conservation of Plants and Animals
- Chapter 9 Crop Production and Its Management
- Chapter 10 Refraction and Dispersion of Light
- Chapter 11 The Human Eye
- Chapter 12 Sound
- Chapter 13 Synthetic Fibres and Plastics
- Chapter 14 Reproduction in Animals
- Chapter 15 Reaching the Age of Adolescence
- Chapter 16 Electric Current and Its Chemical Effects
- Chapter 17 Stars and Solar System
- Chapter 18 Earthquakes
- Chapter 19 Pollution of Air
- Chapter 20 Pollution of Water