ICSE CLASS 10 GEOGRAPHY CHAPTER – CLIMATE OF INDIA PREVIOUS YEARS QUESTION 2011-2010

 ICSE CLASS 10 GEOGRAPHY

CHAPTER – CLIMATE OF INDIA

PREVIOUS YEARS QUESTION 2011-2010

 

 

a) Give two important characteristics of the summer monsoon rainfall in India. [2]

Ans: Two characteristics of the summer monsoon rainfall are :

 It is erratic in nature.

It is mainly orographic in nature/type.

(b) ‘Rainfall in India is Orographic in nature.’ Give an example with reference to the distribution of rainfall and the effect of relief on its distribution. [2]

Ans: ‘Rainfall in India is Orographic in nature. Example Western Ghats which he parallel to the western coast is in a suitable direction to check the rain bearing monsoon winds. The western slope of it that faces the winds receives heavy rainfall i.e. inore than 200 cms. whereas the leeward side of it is not able to do so as the winds are descending on that slope. This region receives low rainfall.

(c) Give a reason to explain why :

(i) the coastal areas of India do not experience a significant variation in temperature between summer and winter months.

Ans: This is because of the moderating influence of the adjoining water bodies. The land and sea breezes moderate the temperatures.

(ii) the annual rainfall in Rajasthan is less than 25 cm.

Ans: This is because Aravallis are parallel to the Arabian sea branch of S.W. monsoons and are unable to check the winds. This is also because Rajasthan lies in the rain shadow region when Bay of Bengal Branch strikes the Aravallis.

(iii) the Coromandel coast gets most of its rain during the winter season. [3]

Ans: Coromandel coast gets most of its rain during winter season because of N.E. monsoons which pickup moisture from Bay of Bengal and strikes the Coromandel coast.

(d) Study the climatic data given below and answer the questions that follow :  [3]

 

Months           Jan      Feb      Mar     Apr      May     Jun      Jul       Aug     Sep      Oct      Nov     Dec

Temperature °C         24.5     25/7     27.7     20.4     30.0     32.5     31.0     30.2     29.8     28.0     25.9     24:7

Rainfall (cm)    4.6       1.8       1.3       1.8       3.8       4.5       8.7       11.3     11.9     30.6     35.0     13:9

(i) Name the driest month.

(ii) Calculate the annual rainfall experienced by the station.

(iii) What is the annual range of temperature ?

Ans:  (i) Driest month is March.

(ii) Annual rainfall is 129.2 cms.

(iii) Annual range of temperature is 12.1°C.

 

 

2010

(a) Mention two differences in the climatic conditions which prevail over Kerala and Uttar Pradesh in the month of June. [2]

Ans: In the month of June, Kerala has temperature range between 26°C to 32°C, as it has a moderating influence of the sea, but Uttar Pradesh has intense heat. Temperature around 48°C is not uncommon in this month.

(b) Name :

(i) The source of winter rain to Pakistan. = western disturbance

(ii) The source of the winter rain to Tamil Nadu. [2]= Retreating of Monsoon

 

(c) Give reasons for the following:

(i) The North East Monsoons bring almost no rain to most of India.

Ans: North East Monsoons bring almost no rain to most of India because these winds have no moisture, as they blow from land to sea.

(ii) The mango showers are beneficial local winds.

Ans: ‘Mango showers’ are beneficial local winds because the little rainfall which they bringis important for the growth ol mango, lea and coffee plants’m’Kera’la and the coasts of Karnataka.

(iii) The latitudinal extent of India is responsible for the variation in the climatic conditions which prevail in the country. [3]

Ans: India stretchers over a large latitudinal extent is responsible for the climatic change and controls the climate all over India. Tropic of Cancer divides India into two heat zones, Tropical and Temperate zone. Peninsular India is in Tropical zone, this belt is close to equator and is also surrounded by water bodies so it has moderating affect of sea. But the northern part which is temperate zone has a different climate, because this belt is away from the equator and also away from the influence of sea, thus has extremes of climate. Its extremely high temperature in summer, attracts S.W. monsoon winds, thus is responsible for rains all over the country.

 

(d) Study the climatic data provided below and answer the questions that follow :

 

Months           Jan      Feb      Mar     Apr      May     Jun      Jul       Aug     Sep      Oct      Nov     Dec

Section A

Temp °C         21.0     22.6     26.3     29.2     29.7     27.5     25.1     24.5     24.8     25.5     22.5     20.5

Rain cm           0.1       0.1       0.5       1.5       2.7       11.4     16.7     9.0       13.4     9.0       2.7       0.3

Section B

Temp °C         24.4     24.4     26.7     23.3     30.3     28.9     27.2     27.2     27.2     28.3     27.2     25.0

Rain cm           0.2       0.3       0.3       1-7       1.9       50.2     61.0     37.0     27.0     4.8       1.4       0.3

(i) Calculate the annual range of temperature of Station B.

(ii) Calculate annual rainfall of station A.

(iii) Presuming that both the stations are located in West India, state giving a reason as to which of the two lies on the windward side of the Western Ghats. [3]

Ans:

(d) (i) The annual range of temperature of Station B is 5.6°C (30.0-24.4).

(ii) The annual rainfall of Station A is 67.4 cm.

(iii) ‘B’ is at the windward side of the Western Ghats as it is getting 50 to 61 cm of rainfall in the month of June and July whereas Station ‘A’ gets only 11.4 and 16.7 cm of rainfall in the same months, which shows that it lies on the leeward side of the mountain.