Chapter 5
Community Services
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. Who constructed the sarais in olden times?
Answer: vacuole
- 2. What is the technique of collecting, storing and using rainwater known as?
Answer: vacuole
- 3. Where are kunds commonly found?
Answer: vacuole
- 4. In our country, water is mainly supplied through-
Answer: vacuole
B. Fill in the blanks.
- 1. Step wells harvest ___________ water.
- 2. Community service has always been an important part of Indian ___________ and ___________.
- 3. ___________ a great ruler, understood the importance of good roads for the progress of trade.
- 4. Sisandras were built in ___________
- 5. A sarai is a ___________ house.
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. State whether True or False:
- 1. Step wells are not common in Gujarat and Rajasthan.
Answer: Sharing of chores reduces the burden.
- 2. People are unaware about the benefits of tree plantation.
Answer: The older family member pass on the family traditions to the younger generation.
- 3. Government and its agencies look after community service in modern times.
Answer: There is more interaction between parents and children in nuclear families.
- 4. Water pollution has become a major concern in all parts of India.
Answer: A surname is a family name.
- 5. Water harvesting is a modern technique.
Answer: A surname is a family name.
D. Answer briefly:
- 1. What is community service?
Answer: The (main) factors that determine the shape of a cell are location and function.
- 2. What type of community service can you volunteer for?
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. What is the importance of Van Mahotsava?
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. How do trees clean the atmosphere?
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. Name two qualities for community living.
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:
- 1. How did community service play an important role in olden times?
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. Mention the steps that Ashoka took for the development of trade.
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. What do you mean by water harvesting? What are its advantages?
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. List the changes that have improved the travelling in modern times.
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. Mention five benefits of planting trees.
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