Lesson–
20
Summary/Note
There
are two main problems connected with the revers. One is how to get water from
them all the year round and the other is how to escape from their floods. The
answer to them is a barrage. A Barrage is a kind of wall which has gates. A
barrage stores water and controls floods. The Guddu Barrage is built over the
river Indus. It is 1355 m long. It allows a flood of 1.2 million cusecs to pass
through it. It has reduced the road distance between Lahore and Quetta. The
distance between Rahim Yar Khan and
Kasmmore has almost been halved. It has three main feeder canals. It irrigates
an area of 2.7 million acres mostly in Sindh.
Question and Answers
Q.1 How
have rivers served men?
Ans.
Rivers have served men in the following ways:
They have
served as trade route before the road and railways were constructed people
carried on trade by boats and ships. Since rivers have water in abundance man
through digging cannals to obtain water from river for irrigation.
Q.2 What
is a barrage? What purpose does it serve?
Ans. A
barrage is a kind of a well which blocks the flow of water. It has gates,
through which the water is allowed to pass in a limited quantity. Its aim is to
control the flow of water in the flood seasons and store it in such a manner
that the canal get water through out the year. In this way, farmers can be
given water for their fields. Life and property canals can be protected from
flood by stopping the flow of water.
Q.3 Why
were most of the town in ancient times build near rivers?
Ans. Most of the towns were built near river because river played very important role in the life of man. They have served as trade routes from the earliest time, trade was earned by boats and ships along rivers.
Ans. Most of the towns were built near river because river played very important role in the life of man. They have served as trade routes from the earliest time, trade was earned by boats and ships along rivers.
Q.4 What
are the benefits of Guddu Barrage?
Ans. The
Guddu Barrage is built on the river Indus. We
get benefit from the Guddu Barrage in the following ways:
1. It
control the flow of water in the flood season and in this way life and property
can be protected from floods.
2. It
stores water in such a way that the canal can get water through out the year
and the farmers can give water to their fields according to their needs.
3. The
seven meter wide road over the barrage has reduced the road distance between Lahore and Quetta
Q.5 Name
the main canals built on the Guddu Barrage?
Ans.
Guddu Barrage has a system of three main canals. Two on the right bank and one
on the left.
1. Begar
Sindh Feeder.
2. The
Desert Part Feeder on the right bank of Guddu Barrage.
3. The
Ghotki Feeder of the left Bank
Q.6 What
areas of Sindh are irrigated by Guddu Barrage?
Ans.
Guddu Barrage irrigated 2.7 million acres. Most of the acres ies in Sukkur and
Jacababad District Sindh.
Q.7 What
are the two problems posed by rivers?
1. How to
get the water from the river through out the year.
2. How to
escape the fairy of floods.
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