Exercise Answers
A. Choose the correct answer.
1. Mango showers are experienced in:
a. North India
b. East India
c. South India
d. West India
Ans. c. South India
2. Autumn in India occurs:
a. between January and March
b. between February and April
c. between May and June
d. between October and November
Ans. d. between October and November
3. Tripura and Mizoram lie on the windward side of the:
a. Aravallis
b. Western ghats
c. Garo, Khasi and Jaintia hills
d. Kanchenjunga
Ans. c. Garo, Khasi and Jaintia hills
4. Two of the wettest places on Earth are:
a. Mawsynram and Cherrapunji
b. Guwahati and Itanagar
c. Ziro and Tawang
d. Bikaner and Jaisalmer
Ans. a. Mawsynram and Cherrapunji
B. Fill in the blanks:
1. The average weather conditions of a region measured over 30 years is called ________.
Ans. Climate
2. The temperature of a place _______ with altitude.
Ans. falls
3. Places that are closer to the sea enjoy an _________ climate.
Ans. equable
4. The Arabian Sea Branch of the Monsoon Winds first strikes the state of _______ in India.
Ans. Kerela
5. Western disturbances are cyclones originating in the ________ Sea.
Ans. Mediterranean
C. Mark the sentences as true or false.
1. Weather remains the same through the year.
Ans. False
2. India has a tropical monsoon type of climate.
Ans. True
3. The Loo is a cold dry wind.
Ans. False
4. The Bay of Bengal branch of Monsoon Winds is blocked by the Aravallis.
Ans. False
5. Coastal Tamil Nadu receives rainfall from the South-west Monsoons.
Ans. True
D. Give reasons for the following.
1. Rainfall in Pune is scanty.
Ans. Pune lies on the leeward side. Since places lying on the leeward side receive less rainfall so Rainfall in Pune is scanty.
2. The South-West Monsoon in India has two branches.
Ans. When these winds hit the Indian mainland, they are forced to divide into two branches - the Arabian Sea Branch and the Bay of Bengal Branch.
E. Answer in one or two sentences.
1. Define weather. How is it different from climate?
Ans. Weather is a daily condition of the atmosphere over a place whereas climate is the average of the weather patterns over a region measured over 30 years.
2. Which are the four major seasons of India?
Ans. The four major seasons of India are Summer season, Monsoon season, Retreating Monsoon season and Winter season.
3. What is the Loo?
Ans. The Loo is a hot, dusty and dry wind that blows from the Thar desert into the Gangetic plane.
4. Name the two branches of the South-west monsoon.
Ans. The two branches of the South-west monsoon are the Arabian Sea Branch and the Bay of Bengal Branch.
5. What are western disturbances?
Ans. Cyclones originating in the Mediterranean Sea cause light rain and snowfall over the northern states of Punjab, Haryana, Delhi and Himachal Pradesh. These cyclones are known as western disturbances.
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