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Social Science 1 Marks Each

Climate · Gujarat Board (GSEB) STD 9 (GSEB - English Medium). 67 questions.

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Question 11 Mark
How many major seasons are there in India? Which are they ?
Answer
  • The Indian Meteorological Department has divided the seasons of India into four categories
  • $(1)$ Winter - December to February, $(2)$ Summer - March to May, $(3)$ Advancing Monsoon - June to September and $(4)$ Retreating Monsoon season - October and November.
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Question 21 Mark
What is meant by ‘Bhadarvi Taap'?
Answer
  • $(1)$ In India the south-west monsoon winds - stop advancing and their backward journey starts.
  • $(2)$ So the sky becomes cloudless in October but the soil is still damp.
  • $(3)$ The day time temperature increases due to clear sky and the condensation of the soil moisture becomes faster. This leads to the increase of humidity in air.
  • $(4)$ Thus in the later part of Bhadarva, the weather during the day is more perplexing due to higher temperature and high amount of moisture. This condition is known as ‘October Heat’ or ‘Bhadarvi Taap.
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Question 31 Mark
Which phenomena is called ‘Rain break’?
Answer
  • In the advancing monsoon season, the rainy days and non-rainy days occur alternately. This phenomena is called ‘Rain break’.
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Question 41 Mark
give the reason : The rainy season is also called “The geason of South-West monsoon winds” because.....
Answer
  • the rain received during the rainy season and the humid and cloudy weather is caused due to the South-West monsoon winds.
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Question 51 Mark
give the reason : Monsoon is considered to be an important season in India because.....
Answer
  • India is an agrarian country. Most of its agriculture depends on the monsoon rain.
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Question 61 Mark
give the reason : The temperature in India does not go below the freezing point during winter except - for the higher mountainous regions because.....
Answer
  • the Himalayan mountain ranges obstruct - the chilling winds coming over from central Asia and protects North India from severe cold.
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Question 71 Mark
give the reason : A large difference in rain and temperature is recorded for various places in India because.....
Answer
  • as the Tropic of Cancer passes through almost middle of India, the southern part falls in torrid zone and the northern part in temperate zone.
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Question 81 Mark
give the reason : The distance between Mumbai and Pune is not much however Pune gets less rain than Mumbai because.....
Answer
  • Mumbai is located on the west coast, so the moist south-west monsoon winds are obstructed by the Western Ghats. So Mumbai gets more than 200cm rain annually. When these south-west monsoon winds cross Western Ghats and reach Pune, most of their moisture is lost. Hence Pune gets about 75cm rainfall annually.
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Question 91 Mark
give the reason : Summer in South India is comparatively milder because.....
Answer
  • the South India is a peninsula hence so it has maritime impact, which makes heat-cold milder. During summer, the sunrays fall vertical there, but the impact of heat is less as it is a plateau. we
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Question 101 Mark
give the reason : Sometimes, a cold wave engulfs Rajasthan and Gujarat during winter because.....
Answer
  • there is an occassional snowfall over Himalayas and the wind direction in India shifts from north to south. So the heavy cold air from Himalayas blow towards south. Under its effect, a cold wave engulfs north India as well as Rajasthan and Gujarat.
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Question 111 Mark
give the reason : Monsoon is the most important season in India becausc....
Answer
  • most of the agriculture in India depends on rainfall. About $80\%$ of India’s rainfall occurs during monsoon -i.e., June to September.
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Question 121 Mark
give the reason : The rainfall in India decreases from east to west becausc......
Answer
  • north India gets its rain most through the south-west monsoon winds blowing over the Bay of Bengal. Most of the moisture in these winds falls over the higher hilly regions of Meghalaya, Assam and West Bengal in the form of rain. Due to these hills, one branch of these winds is deflected towards west and gives showers enroute to west.
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Question 131 Mark
give the reason : The west coast plain in South India gets heavy rain because.....
Answer
  • the Western Ghats, lying north-south near the western coast of South India serves as an . obstacle. The winds rise because the Western Ghats is higher and most of its moisture condenses and falls in the form of rain on the windward side of the Western Ghats in the west coast plains.
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Question 141 Mark
In which region does Amra Vrushti take place at the end of summer? To which crops is it useful?
Answer
  • Amra Vrushti takes place on the Malabar coast at the end of the summer. It is useful to mango and coffee crops.
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Question 151 Mark
Which factors affect the temperature of south India?
Answer
  • Sea and the height of the peninsular plateau affect the temperature of south India.
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Question 161 Mark
Rabi crops grown in which regions get the benefit of winter rain?
Answer
  • Rabi crops (wheat, gram and mustard) grown in Punjab and Haryana get the benefit of winter rain.
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Question 171 Mark
To which region do the north-east monsoon winds give rain?
Answer
  • The north-east monsoon winds give rain to the Coromandel coast of India.
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Question 181 Mark
“Himalaya is a natural wall protecting India. How?
Answer
  • Himalaya protects India from severe cold by obstructing the chilling cold winds coming from - central Asia in winter. This way it is a natural wall protecting India on the northern boundary.
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Question 191 Mark
What is meant by weather?
Answer
  • Weather is an average of atmospheric conditions of a place, or for any specific time or for a specific period.
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Question 201 Mark
give the reason : Entire North-East including Meghalaya receives very heavy rain because.....
Answer
  • the Bay of Bengal Current of the monsoon winds enters in north-east India via Bangladesh . with excessive moisture. The hills of Garo, Khasi and Jaintia in Meghalaya fall in their path. .
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Question 211 Mark
Why does the temperature does not go below freezing point except for the high mountainous regions during winter in India?
Answer
  • Himalayan ranges prevent the chilling .cold winds coming from central Asia and protects India from the severe cold. So except for the high mountains, the temperature does not go below freezing point in India.
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Question 221 Mark
give the reason : South India does not experience much heat-cold because.....
Answer
  • the climate in South India is maritime. It is nearer to equator and is also a plateau.
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Question 231 Mark
In how many divisions has the Indian Meteorological Department divided the seasons of India?
Answer
  • The Indian Meteorological Department has divided the seasons of India into four categories
  • $(1)$ Winter - December to February, $(2)$ Summer - March to May, $(3)$ Advancing Monsoon - June to September and $(4)$ Retreating Monsoon season - October and November.
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Question 241 Mark
Why is the large difference in temperature and rainfall recorded for different places in different parts of India?
Answer
  • As the Tropic of Cancer passes through the middle of India, the southern part of India lies in torrid zone and the northern part is in temperate zone. That is why a large difference in, temperature and rainfall is recorded for different places in different parts of India.
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Question 281 Mark
Which is the main characteristic of - monsoon winds?
Answer
  • Irregularity is the main characteristic of- monsoon winds.
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Question 291 Mark
Which is the prior characteristics of ' the retreating monsoon winds?
Answer
  • Clear sky and increasing temperature are the prior characteristics of retreating monsoon winds.
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Question 301 Mark
Which regions in India get rain due to the monsoon winds coming from the Bay of Bengal?
Answer
  • The monsoon winds coming from the Bay of Bengal give rain to West Bengal, Meghalaya, Assam, Bihar, Uttar Pradesh, Punjab, Haryana, etc.
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Question 311 Mark
How many traditional seasons are there in India? Which are they?
Answer
  • There are six traditional seasons in India: Hemant, Shishir, Vasant, Grishma, -Varsha ‘and Sharad.
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Question 321 Mark
Which phenomena is known as ‘Monsoon break’?
Answer
  • The rain associated with the monsoon Winds is not consistent and regular. The rainy days - and the non-rainy days occur alternately during - monsoon. This phenomena is called ‘Monsoon break’.
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Question 331 Mark
Which factors affect the climate of India?
Answer
  • The factors affecting the climate of India are latitude (distance from equator), distance from sea, altitude from sea level, atmospheric pressure and winds, etc.
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Question 341 Mark
When are the sunrays exactly vertical on the Tropic of Cancer and on the Tropie of Capricorn?
Answer
The sunrays are exactly vertical on the Tropic of Cancer on $21$st June and on the Tropic of Capricorn on 22nd December.
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Question 351 Mark
Which major Asian countries have monsoon climate?
Answer
  • Major Asian countries having monsoon. climate are India, Sri Lanka, Bangladesh, Pakistan and Myanmar.
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Question 361 Mark
Which winds are called monsoon winds?
Answer
  • The winds which change their direction according to the season are called monsoon winds.
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Question 371 Mark
give the reason : Rajasthan gets less rainfall because.....
Answer
  • the south-west monsoon winds blowing over the Arabian sea give rain in Gujarat and then enter Rajasthan. These winds contain less moisture. Besides, the Aravalli range in Rajasthan falls in the same direction and hence does not obstruct these winds.
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Question 411 Mark
In which situation, day time weather is very perplexing due to high temperature and humidity?
Answer
  • October Heat
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Question 431 Mark
The monsoon rain falls for many days, then there are few rainless days and again it is followed by a spell of rain. What is this phenomena called?
Answer
  • Rain Break
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Question 441 Mark
Some rainfall, received by Malabar Coast in the month of may is known by which name?
Answer
  • Amra Vrushti
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Question 451 Mark
In winter, Gujarat and Rajasthan experience heavy cold wave. Which atmospheric event in Himalayas is responsible for this?
Answer
  • Snowfall
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Question 471 Mark
Which place in Meghalaya experiences annual rainfall of $1200\ cm$ which is maximum in the world?
Answer
  • Cherrapunji
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1 Marks Each - Social Science STD 9 Questions - Vidyadip