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Water Resources Of Karnataka

Class 9th Social Science Part I Karnataka Board Solution

Exercises
Question 1.

Fill in the blanks with suitable words:

The Cauvery River takes its birth at_______ of Kodagu District.


Answer:

TALACAUVERY

Reason: The Cauvery River is the most important river of Karnataka. It originates at Talacauvery in Kodagu district and it flows 804 kms through Karnataka and Tamil Nadu eastwards and join the Bay of Bengal.



Question 2.

Fill in the blanks with suitable words:

The famous Jog Falls is produced by the _________River.


Answer:

SHARAVATI

Reason: The west flowing rivers flow down steep slopes and create waterfalls and also help in producing hydro-electric power. One such waterfall is Jog Falls which is world famous.



Question 3.

Fill in the blanks with suitable words:

The Krishnarajasagar dam is in _________district.


Answer:

KALABURAGI

Reason: the wells which were dug in Kalaburagi district during the 11th century, the Tungabhadra canals of the time of Vijayanagar Empire, Vanivilasagar and the Krishnarajasagar dam constructed by the Mysuru kings are milestones in the development of the irrigation in Karnataka.



Question 4.

Fill in the blanks with suitable words:

The first hydro-electric power generating station in Karnataka is________


Answer:

SHIVANASAMUDRA.

Reason: The hydro-electric power generating station was established in Shivanasamudra in 1902 to supply power to the Kolar gold mines and this project was constructed on river Cauvery.



Question 5.

Fill in the blanks with suitable words:

The Alamatti dam has been constructed across _________river.


Answer:

KRISHNA

Reason: it is one of the main hydro-electric power projects of Karnataka which was constructed across the Krishna River.



Question 6.

Discuss in groups and answer the following question:

Name the important rivers of Karnataka.


Answer:

Rivers are the main source of water in Karnataka. These rivers can be divided into two groups:

(a) The east flowing river: the Krishna, the Cauvery, the Pennar and Palar River flows eastwards and join the Bay of Bengal. The most important river of Karnataka is The Cauvery and the Krishna is the second most important river. The Pennar and Palar rivers flow through the districts of Kolar, Tamakuru and Bengaluru and then they enter Andhra Pradesh and Tamil Nadu.


(b) The west flowing rivers: many of these rivers rise in Malnad, flow westwards and join the Arabian Sea. They flow down steep slopes and create waterfalls which helps in producing hydro-electric power. The important waterfalls are Jog Falls, Golak, Bandaje, Unchalli, Chaya Bhagwati etc.



Question 7.

Discuss in groups and answer the following question:

Write a short note on the river Krishna.


Answer:

The river Krishna is the second most important river in south India. It originates from Mahabaleshwar and it flows 1,392 km eastwards to join the Bay of Bengal. It flows through Karnataka for only 480 km. The tributaries of this river are Bhīma, Koyna, Tungabhadra, Ghataprabha and Malaprabha. Northern Karnataka has been benefited by the irrigation and hydro-electric power generation from the Krishna river system.



Question 8.

Discuss in groups and answer the following question:

What are the tributaries of Cauvery River?


Answer:

The Cauvery is the most important river in Karnataka. It is also known as the Dakshina Ganga. It takes birth from Talacauvery in Kodagu district. Its tributaries are:

Hemavathi, Harangi, Lokapavani, Arkavathi Shimsha, Lakshmanatirtha, Kapila, Suvarnavathi and Bhavani.



Question 9.

Discuss in groups and answer the following question:

Name the different sources of irrigation in Karnataka.


Answer:

The artificial supply of water for agriculture is called irrigation. It is essential for the development of agriculture in places where distribution of rainfall is uneven and irregular.

The different sources of irrigation in Karnataka are:


(a) Wells


(b) Canals


(c) Tanks


(d) Tube wells


(e) Dams



Question 10.

Discuss in groups and answer the following question:

Mention the main hydro-electric power stations of our state.


Answer:

The main hydro-electric power stations are:

(a) Shivanasamudra and Shimsha on Cauvery River


(b) Sharavathi, Linganamakki, Gerusoppa and Mahatma Gandhi hydro-power station on Sharavathi river


(c) Supa, Nagajhari, Kadra and Kodasalli on Kali river


(d) Varahi, and Marikanive on Varahi river


(e) Bhadra, Tungabhadra, Ghataprabha and Alamatti on Krishna River.



Question 11.

Discuss in groups and answer the following question:

Write a brief note on river water disputes.


Answer:

There are many rivers in India which flows through more than one state. Due to this, there is the emergence of water disputes regarding the use of river water. The two river disputes are the Krishna water disputes and the Cauvery water dispute in Karnataka. The river Cauvery passes through both Karnataka and Tamil Nadu due to which there is river water dispute between these two states. Same is the case for the Krishna River which too flows through different states like Maharashtra, Karnataka and Andhra Pradesh.



Question 12.

Match the following:



Answer:

1. Linganamakki dam—Sharavathi


Linganamakki dam Constructed by Karnataka state gov in 1964 on Sharavathi river just 6 km away from famous Jog falls.


2. Gaganachukki, Bharachukki—Cauvery river


Gaganachukki, Bharachukki waterfalls are on Cauvery river in the island town Sivasamudram. The town Sivasamudram divides Cauvery river into two parts.


3. Vani Vilas Sagar—Marikanive


Vani Vilas Sagar is a dam is also known by another name Marikanive. Constructed on river Vedavathi and also a main source of water to Chitradurga district. It is also a famous tourist spot, attract thousands of tourist on a regular basis.


4. Nagajhari— Hydro electric project


Nagjhari hydro electric project is a Karnataka state government project started in 1984.


5. Pennar—River


Pennar is a south Indian river rises in Nandi hills of Karnataka and flows eastward and ends in the Bay of Bengal.



Question 13.

Activities:

Make a list of the rivers in Karnataka and their tributaries.


Answer:

Rivers and their tributaries are:

(a) Cauvery river- Harangi, river Hemavathi, river Lakshmanatirtha, river Kabini, river Shimsha, river Arkavati, river Suvarnavathi, river Honnuhole, the Bhavani, the Noyyal, the Amravati.


(b) Krishna river - the Ghataprabha, the Malaprabha, the Bhīma, the Tungabhadra


(c) Other rivers which run through Karnataka are the Chakra Nadi, the Varahi, the Netravathy and the Barapole.



Question 14.

Activities:

Make a list of the important hydro-electric power stations of Karnataka.


Answer:

The main hydro-electric power stations are:

(a) Shivanasamudra and Shimsha on Cauvery River


(b) Sharavathi, Linganamakki, Gerusoppa and mahatma Gandhi hydro power station on sharavathi river


(c) Supa, Nagajhari, Kadra and kodasalli on kali river


(d) Varahi, and marikanive on varahi river


(e) Bhadra, Tungabhadra, Ghataprabha and Alamatti on Krishna River.



Question 15.

Project work:

Mark the dams of Karnataka on a map and name them.


Answer:



Question 16.

Project work:

Visit any tank, canal, stream or river, the coast which are nearer your dwelling and write about their important features.


Answer:

Hindon River is a tributary of Yamuna River that originates in Saharanpur district from upper Shivalik in the lower Himalayan range. It flows between Ganges and Yamuna through Muzaffarnagar district, Meerut district, Ashpat district, Ghaziabad, Noida, and Greater Noida. It is a source of water for industrial productions.