# NCERT solutions for Class 11 Geography (Practical Work in Geography) chapter 8 - Weather Instruments, Maps and Charts [Latest edition]

## Solutions for Chapter 8: Weather Instruments, Maps and Charts

Below listed, you can find solutions for Chapter 8 of CBSE NCERT for Class 11 Geography (Practical Work in Geography).

Exercises [Pages 122 - 123]

### NCERT solutions for Class 11 Geography (Practical Work in Geography) Chapter 8 Weather Instruments, Maps and Charts Exercises [Pages 122 - 123]

#### Choose the right answer from the four alternatives given below.

Exercises | Q 1. (i) | Page 122

Which department prepares the weather map of India for each day?

• The World Meteorological Organisation

• The Indian Meteorological Department

• The Survey of India

• None of these

Exercises | Q 1. (ii) | Page 122

Which two liquids are used in maximum and minimum thermometers?

• Mercury and water

• Water and alcohol

• Mercury and alcohol

• None of these

Exercises | Q 1. (iii) | Page 122

Lines connecting the places of equal pressure are called______.

• Isobars

• Isohyets

• Isotherms

• Isohels

Exercises | Q 1. (iv) | Page 122

The primary tool for weather forecasting is______.

• Thermometer

• Barometer

• Maps

• Weather charts

Exercises | Q 1. (v) | Page 122

If there is more humidity in the air, the difference between the readings of a dry bulb and a wet-bulb will be______.

• Less

• More

• Equal

• None of these

#### Answer the following questions in about 30 words.

Exercises | Q 2. (i) | Page 122

What are the basic elements of weather?

Exercises | Q 2. (ii) | Page 122

What is a weather chart?

Exercises | Q 2. (iii) | Page 122

Which instruments are normally available in Class-I observatory to measure the weather phenomena?

Exercises | Q 2. (iv) | Page 122

What are Isotherms?

Exercises | Q 2. (v) | Page 123

Which meteorological symbols are used to mark the following on a weather map?

1. Rain
2. Mist
3. Sunshine
4. Lightning
5. Overcast Sky

#### Answer the following question in not more than 125 words.

Exercises | Q 3. | Page 123

Discuss how weather maps and charts are prepared.

Exercises | Q 3. | Page 123

How weather maps and charts are useful to us?

MAP READING [Page 123]

### NCERT solutions for Class 11 Geography (Practical Work in Geography) Chapter 8 Weather Instruments, Maps and Charts MAP READING [Page 123]

MAP READING | Q 1 | Page 123

Study the following figures and answer the following questions.

1. Which seasons are shown in these maps?
2. What is the value of the highest isobar in Figure A and through which part of the country does it pass?
3. What are the values of the highest and the lowest isobars in Figure B and where are they located?
4. What are the patterns of temperature distribution in both the maps?
5. In which parts do you see the highest and the lowest mean temperature in Figure A?
6. What relationship do you see between the distribution of temperature and pressure in both the maps?

Figure A

Figure B

## NCERT solutions for Class 11 Geography (Practical Work in Geography) chapter 8 - Weather Instruments, Maps and Charts

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Concepts covered in Class 11 Geography (Practical Work in Geography) chapter 8 Weather Instruments, Maps and Charts are Introduction to Weather Instruments, Maps and Charts, Weather Observations, Surface Observatories, Space-based Observations, Weather Instruments, Weather Maps and Charts, Weather Symbols.

Using NCERT Class 11 Geography (Practical Work in Geography) solutions Weather Instruments, Maps and Charts exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE Class 11 Geography (Practical Work in Geography) students prefer NCERT Textbook Solutions to score more in exams.

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