Irrigation | MCQs

Explanation

• Karez is the irrigation system of Balochistan.
• This ancient method involves underground channels that transport water from aquifers to the surface.
• It providing a sustainable water supply in arid regions.

Explanation

Sidhnai Headworks has been constructed on the Ravi River.

The new Sidhnai Barrage was constructed 31000 ft upstream of old Sidhnai weir with design capacity of 150,000 Cs

Downstream straight reach was excavated and widened to increase the capacity from 100,000 Cs to 150,000 Cs.

Explanation

Patfeeder Canal and Kirthar canal dug out from Guddu Barrage.

Guddu is a barrage on the Indus River near Kashmore.

Iskander Mirza laid the foundation-stone of Guddu Barrage in 1957, inaugurated by Ayub Khan in 1962.

Explanation

Five Important Doabs of Pakistan 

Sindh Sagar Doab is b/w: Indus & Jhelum rivers 

Jech Doab is b/w: Jhelum & Chenab rivers 

Bari Doab is b/w: Ravi & Sutlej rivers

Rachna Doab  is b/w: Ravi  & Chenab rivers  

Bias Doab is b/w: Bias & Sutlej rivers 

Doab Chaj is b/w: Chenab and Jhelum.

Explanation

Perennial Canals flow throughout the year

Thus referred to as perennial canals.

They draw water from perennial rivers or from artificial reservoirs

which sustain a high water level on the upstream side.

Explanation

Trimmu Barrage is a barrage on the River Chenab in the Jhang District of the Punjab province of Pakistan

it is situated downstream of the confluence of the River Jhelum and River Chenab

Trimmu Barrage was constructed between 1937 and 1939 by English engineers.

Explanation

The Sulemanki Headworks is a major irrigation structure located on the Sutlej River.

It is situated near the border between Pakistan and India.

It is crucial for controlling water flow and supporting agricultural activities in the region.

Explanation

فصلوں کی آب پاشی کے چار بنیادی طریقے ہوتے ہیں: سطحی، بارانی، چھڑکاؤ، اور قطرہ قطرہ۔

ہر طریقہ زمین، فصل اور پانی کی دستیابی کے لحاظ سے استعمال ہوتا ہے۔

Explanation

Mirani Dam is located in the Dashat river

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Mirani Dam is in Kech District in the Balochistan province of Pakistan.

Mirani Dam was completed in July 2006 and began impounding the Dasht River in August 2006.

The feasibility report of the Mirani dam project was first completed in 1956. 

Mirani Dam was commissioned by(WAPDA) in 2001 to provide water for Gwadar city. 

The Length of Mirani Dam is 3,350 ft (1,020 m)

Explanation

Barrages control river water and divert it for irrigation.

This helps convert barren land into fertile and productive agricultural areas.