Chapter 5
Agriculture
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. Millets are also known as-
Answer: vacuole
- 2. Tea is a-
Answer: vacuole
- 3. Who amongst the following are the nomadic herders of the Himalayan area?
Answer: vacuole
- 4. Slash and burn practice of agriculture is also known as-
Answer: vacuole
- 5. The type of commercial agriculture, which is practised on a large estate for growing of a single crop continuously for several years, is known as-
Answer: vacuole
B. Fill in the blanks.
- 1. ___________ is grown in the mid-latitudinal and dry sub-tropical regions.
- 2. Cotton, ___________ and natural silk are natural fibres.
- 3. Coffee plant needs ___________ and ___________ climate.
- 4. Deltas, river valleys, coastal plains with rainfall above 100 cm are ideal for the cultivation of ___________.
- 5. When animals are reared along with the cultivation of land, it is known as ___________ farming.
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. Write a technical term or an appropriate word for each of the following statements.
- 1. The science and art of raising crops, rearing of livestock, forestry and fishing.
Answer: Sharing of chores reduces the burden.
- 2. A type of agricultural system in which a farmer and his family grow crop for self-sustenance.
Answer: The older family member pass on the family traditions to the younger generation.
- 3. Agriculture practised on a very large scale for crop specialisation.
Answer: There is more interaction between parents and children in nuclear families.
- 4. The commercial grazing of farm animals in temperate grasslands to obtain meat, wool, hides, skins and some dairy products.
Answer: A surname is a family name.
- 5. People who migrate along with their animals from one place to another in search of fodder for their animals.
Answer: A surname is a family name.
D. Answer the following questions in brief.
- 1. When and how did agriculture start along the river valleys? What is the wider definition of agriculture now?
Answer: The (main) factors that determine the shape of a cell are location and function.
- 2. Highlight the importance of agriculture for people around the world.
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. Describe any three new techniques used in agriculture to increase the production of crops.
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. What type of soil, temperature and rainfall is required for the cultivation of wheat and rice?
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 nomadic herding? Which are the most important regions for nomadic herding?
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. What are the major differences between the farm agriculture of USA and India?
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. Describe any five advantages of using biotechnology for agricultural development.
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. Explain any three physical factors influencing the agricultural development in an area.
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 is subsistence agriculture different from the commercial agriculture? In your opinion, which one is more useful for India?
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 do the size of land holdings, labour and capital influence the agricultural development in an area? Explain.
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