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Class 9
Social Science - Contemporary India
Climate
Answer the following questions briefly. (i) What are the controls aff...

Answer the following questions briefly. | Class 9 Social Science - Contemporary India Chapter Climate, Climate NCERT Solutions

Welcome to the NCERT Solutions for Class 9 Social Science - Contemporary India - Chapter Climate. This page offers a step-by-step solution to the specific question from Exercise 1, Question 2: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 2:

Answer the following questions briefly.
(i) What are the controls affecting the climate of India?
(ii) Why does India have a monsoon type of climate?
(iii) Which part of India does experience the highest diurnal range of temperature and why?
(iv) Which winds account for rainfall along the Malabar coast?
(v) What are Jet streams and how do they affect the climate of India?
(vi) Define monsoons. What do you understand by “break” in monsoon?
(vii) Why is the monsoon considered a unifying bond?

Answer:

1. The elements which are affecting the climate are: temperature, atmospheric pressure, wind, humidity and precipitation.

2. India comes in the inter tropical convergence zone (ITCZ) also with several other factors like the EI nino, jet stream and coriolois force are the main reasons for monsoon type of climate in India.

3. Northwestern part of india experiences the highest diurnal temperature range. This happens because of the presence of thar desert and also because this region doesn't contain the moderating influence of the ocean.

4. Malabar coast gets rains from depressions and cyclones.

5. Jet streams are high velocity westerly winds that are blowing through a narrow zone in the upper troposphere layer. The westerly flows are responsible for the western disturbances that is experienced in the north western parts of the country. The easterly jet streams cause the tropical depressions during the monsoon as well as October-november months.

6. Monsoon refers to the seasonal wind direction reversal. Monsoon break refers to the happening of wet and dry spells during the rainy season. The monsoon rains take place only for a few days at a particular time.

7. Although there are wide variations in weather patterns across India, the monsoon bring some unifying influence on India. The Indian landscape, its flora and fauna etc. are highly influenced by the monsoon. Most of the festivals in India are related to agricultural cycle.

Other Questions of Chapter Climate

Give the characteristics and effects of the monsoon rainfall in India.

Give an account of weather conditions and characteristics of the cold season.

Describe the regional variations in the climatic conditions of India with the help of suitable examples.

Why does the rainfall decrease from the east to the west in Northern India.

Choose the correct answer from the four alternatives given below.
(i) Which one of the following places receives the highest rainfall in the world?
(a) Silchar (c) Cherrapunji
(b) Mawsynram (d) Guwahati

(ii) The wind blowing in the northern plains in summers is known as:
(a) Kaal Baisakhi (c) Trade Winds
(b) Loo (d) None of the above

(iii) Which one of the following causes rainfall during winters in north-western part of India.
(a) Cyclonic depression (c) Western disturbances
(b) Retreating monsoon (d) Southwest monsoon

(iv) Monsoon arrives in India approximately in:
(a) Early May (c) Early June
(b) Early July (d) Early August

(v) Which one of the following characterises the cold weather season in India?
(a) Warm days and warm nights
(b) Warm days and cold nights
(c) Cool days and cold nights
(d) Cold days and warm nights

Give reasons as to why.
(i) Seasonal reversal of wind direction takes place over the Indian subcontinent?
(ii) The bulk of rainfall in India is concentrated over a few months.
(iii) The Tamil Nadu coast receives winter rainfall.
(iv) The delta region of the eastern coast is frequently struck by cyclones.
(v) Parts of Rajasthan, Gujarat and the leeward side of the Western Ghats are drought-prone.

Discuss the mechanism of monsoons.

Popular questions of class 9 Social Science - Contemporary India

Write short notes on the following.
(i) The Indian Desert
(ii) The Central Highlands
(iii) The Island groups of India

The central location of India at the head of the Indian Ocean is considered of great significance. Why?

Name different types of Vegetation found in India and describe the vegetation of high altitudes.

Describe how the Himalayas were formed.

The sun rises two hours earlier in Arunachal Pradesh as compared to Gujarat in the west but the watches show the same time. How does this happen?

Why has India a rich heritage of flora and fauna?

Answer the following questions briefly.
(i) What is meant by a water divide? Give an example.
(ii) Which is the largest river basin in India?
(iii) Where do the rivers Indus and Ganga have their origin?
(iv) Name the two headstreams of the Ganga. Where do they meet to form the Ganga?
(v) Why does the Brahmaputra in its Tibetan part have less silt, despite a longer course?
(vi) Which two Peninsular rivers flow through trough?
(vii) State some economic benefits of rivers and lakes.

Choose the right answer from the four alternatives given below:

(i) To which one of the following types of vegetation does rubber belong to?
(a) Tundra (c) Himalayan
(b) Tidal (d) Tropical Evergreen

(ii) Cinchona trees are found in the areas of rainfall more than
(a) 100 cm (c) 70 cm
(b) 50 cm (d) less than 50 cm

(iii) In which of the following state is the Simlipal bio-reserve located?
(a) Punjab (b) Delhi
(c) Odisha (d) West Bengal

(iv) Which one of the following bio-reserves of India is not included in the world
network of bioreserve?
(a) Manas (c) Gulf of Mannar
(b) Nilgiri (d) Nanda devi

Answer the following questions briefly.
(i) What are tectonic plates?
(ii) Which continents of today were part of the Gondwana land?

(iii) What is the bhabar?
(iv) Name the three major divisions of the Himalayas from north to south.
(v) Which plateau lies between the Aravali and the Vindhyan ranges?
(vi) Name the island group of India having coral origin.

(i) Migrations change the number, distribution and composition of the population in
(a) the area of departure (c) both the area of departure and arrival
(b) the area of arrival (d) none of the above

(ii) A large proportion of children in a population is a result of
(a) high birth rates (c) high death rates
(b) high life expectancies (d) more married couples

(iii) The magnitude of population growth refers to
(a) the total population of an area
(b) the number of persons added each year
(c) the rate at which the population increases
(d) the number of females per thousand males

(iv) According to the Census 2001, a “literate” person is one who
(a) can read and write his/her name
(b) can read and write any language
(c) is 7 years old and can read and write any language with understanding
(d) knows the 3 ‘R’s (reading, writing, arithmetic)

Recently Viewed Questions of Class 9 Social Science - Contemporary India

Write short notes on the following.
(i) The Indian Desert
(ii) The Central Highlands
(iii) The Island groups of India

Describe how the Himalayas were formed.

Answer the following questions briefly.
(i) Name the group of islands lying in the Arabian sea.
(ii) Name the countries which are larger than India.
(iii) Which island group of India lies to its south-east?
(iv) Which island countries are our southern neighbours?

What are the advantages of having a healthy population?

What is the relation between occupational structure and development?

Distinguish between population growth and population change.

Answer the following questions briefly.
(i) Why is the rate of population growth in India declining since 1981?
(ii) Discuss the major components of population growth.
(iii) Define age structure, death rate and birth rate.
(iv) How is migration a determinant factor of population change?

Answer the following questions briefly.
(i) Define an ecosystem.
(ii) What factors are responsible for the distribution of plants and animals in India?
(iii) What is a bio-reserve? Give two examples.
(iv) Name two animals having habitat in tropical and montane type of vegetation.

What are the significant features of the National Population Policy 2000?

Why are rivers important for the country’s economy?

Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

Read the question carefully and focus on the core concept being asked.
Reference examples and data from the chapter when answering questions about Climate.
Review previous year question papers to get an idea of how such questions may be framed in exams.
Practice answering questions within the time limit to improve your speed and accuracy.
Discuss your answers with your teachers or peers to get feedback and improve your understanding.

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