Chapter 3
Locating Places on the Earth
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. The equator does not pass through which one of the following continents?
Answer: vacuole
- 2. The heat zone lying between 231/2% N and 661/2% N is-
Answer: vacuole
- 3. The longest circle drawn midway between two poles is-
Answer: vacuole
- 4. When the time is 12 noon at 0° longitude, the time at 75 E longitude will be-
Answer: vacuole
- 5. Which one of the following is a correct statement about longitudes?
Answer: vacuole
B. Fill in the blanks.
- 1. The earth rotates from ___________ to ___________.
- 2. All the places on the same meridian will have the ___________ local time.
- 3. The distance between the two lines of latitudes is always ___________.
- 4. The ___________ are the imaginary lines that connect the north and south pales.
- 5. Each degree of longitude corresponds to a time difference of ___________ minutes.
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
D. Answer the following questions in brief.
- 1. Which two basic points on the earth serve as the reference points?
Answer: Sharing of chores reduces the burden.
- 2. Mention the latitudinal location of the heat zones of the earth.
Answer: The older family member pass on the family traditions to the younger generation.
- 3. Why does the Torrid zone have the maximum temperature?
Answer: There is more interaction between parents and children in nuclear families.
- 4. What is the significance of Greenwich Mean Time?
Answer: A surname is a family name.
- 5. Why is the Standard Meridian selected by a country a multiple of 7.5°?
Answer: A surname is a family name.
E. Answer the following questions.
- 1. State three main characteristics of parallels of latitudes.
Answer: The (main) factors that determine the shape of a cell are location and function.
- 2. Why do we use standard time? Explain with an example from India.
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. Which heat zone is most suitable for us to live and why?
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. Why is the time difference between each meridian of longitude 4 minutes? Explain.
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. Distinguish between Equator and Prime Meridian.
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