- What is the longest river in Iran?
- A) Zayandeh River
- B) Karun River
- C) Karkheh River
- D) Jajrood River Answer: B) Karun River
- Which river flows through the city of Isfahan?
- A) Zayandeh River
- B) Aras River
- C) Karun River
- D) Karkheh River Answer: A) Zayandeh River
- The Karkheh River is primarily located in which region of Iran?
- A) Khuzestan
- B) Fars
- C) Lorestan
- D) Mazandaran Answer: A) Khuzestan
- Which river serves as a natural boundary between Iran and Azerbaijan?
- A) Karun River
- B) Aras River
- C) Zayandeh River
- D) Sefid River Answer: B) Aras River
- What is the main use of the Karun River?
- A) Transportation
- B) Agriculture
- C) Hydroelectric power
- D) Fishing Answer: C) Hydroelectric power
- Which river is known for its role in the ancient Persian civilization?
- A) Zayandeh River
- B) Tigris River
- C) Euphrates River
- D) Aras River Answer: A) Zayandeh River
- The Sefid River is mainly located in which province?
- A) Gilan
- B) Kermanshah
- C) Isfahan
- D) Fars Answer: A) Gilan
- Which river is the longest in the Zagros mountain range?
- A) Zayandeh River
- B) Karun River
- C) Karkheh River
- D) Dez River Answer: B) Karun River
- The Armand River is a tributary of which major river?
- A) Karun River
- B) Zayandeh River
- C) Karkheh River
- D) Aras River Answer: A) Karun River
- Which river is famous for its picturesque valley and gardens?
- A) Karun River
- B) Zayandeh River
- C) Dez River
- D) Sefid River Answer: B) Zayandeh River
- The Jajrood River is a tributary of which river?
- A) Karun River
- B) Zayandeh River
- C) Karkheh River
- D) Aras River Answer: B) Zayandeh River
- Which river is known for its annual flooding issues in Iran?
- A) Dez River
- B) Zayandeh River
- C) Karun River
- D) Karkheh River Answer: C) Karun River
- What is the primary economic activity supported by the Karun River?
- A) Tourism
- B) Agriculture
- C) Mining
- D) Fishing Answer: B) Agriculture
- Which river is crucial for irrigation in the Khuzestan province?
- A) Zayandeh River
- B) Karun River
- C) Karkheh River
- D) Aras River Answer: B) Karun River
- The Zayandeh River flows through which major city?
- A) Shiraz
- B) Tabriz
- C) Isfahan
- D) Ahvaz Answer: C) Isfahan
- Which river is a key water source for the city of Tehran?
- A) Karun River
- B) Jajrood River
- C) Aras River
- D) Zayandeh River Answer: B) Jajrood River
- The Karkheh River is formed by the confluence of which rivers?
- A) Gahar and Khorram
- B) Dez and Khosh
- C) Karun and Arvand
- D) Zayandeh and Karkheh Answer: A) Gahar and Khorram
- Which river flows through the northern regions of Iran?
- A) Karun River
- B) Aras River
- C) Sefid River
- D) Zayandeh River Answer: C) Sefid River
- The Dez River is primarily utilized for which purpose?
- A) Hydroelectric power
- B) Agriculture
- C) Urban water supply
- D) Recreational activities Answer: A) Hydroelectric power
- Which river forms part of the border between Iran and Armenia?
- A) Aras River
- B) Karkheh River
- C) Karun River
- D) Zayandeh River Answer: A) Aras River
- What is the significance of the Zayandeh River in Iranian culture?
- A) It is considered sacred.
- B) It is a source of legends and folklore.
- C) It supports major religious sites.
- D) All of the above. Answer: D) All of the above.
- Which river has its source in the Zagros Mountains?
- A) Zayandeh River
- B) Karun River
- C) Aras River
- D) Sefid River Answer: B) Karun River
- The Aras River is significant for which aspect of regional trade?
- A) Oil transport
- B) Agricultural goods
- C) Timber
- D) Textiles Answer: B) Agricultural goods
- Which river has faced serious pollution challenges due to industrial activities?
- A) Karun River
- B) Aras River
- C) Zayandeh River
- D) Karkheh River Answer: A) Karun River
- The Karkheh River is known for its rich biodiversity, especially in which species?
- A) Salmon
- B) Trout
- C) Sturgeon
- D) Catfish Answer: C) Sturgeon
- Which river is vital for hydroelectric dams in Iran?
- A) Zayandeh River
- B) Karun River
- C) Aras River
- D) Dez River Answer: B) Karun River
- What is the local name for the Zayandeh River?
- A) Zayandeh Rud
- B) Zayandeh Dasht
- C) Zayandeh Bagh
- D) Zayandeh Mahallat Answer: A) Zayandeh Rud
- Which river is often referred to as the “Mother of Rivers” in Iran?
- A) Karun River
- B) Zayandeh River
- C) Aras River
- D) Dez River Answer: B) Zayandeh River
- Which river is crucial for the agricultural practices in the province of Lorestan?
- A) Karkheh River
- B) Aras River
- C) Dez River
- D) Karun River Answer: A) Karkheh River
- What is the primary challenge faced by rivers in Iran?
- A) Deforestation
- B) Overfishing
- C) Pollution and drought
- D) Urbanization Answer: C) Pollution and drought
| River Name | Length (approx.) | Source | Mouth | Major Regions | Significance |
| Karun | 890 km | Zagros Mountains | Arvand Rud (Shatt al-Arab) | Khuzestan | Longest river in Iran; vital for irrigation and hydroelectric power. |
| Zayandeh | 400 km | Zagros Mountains | Ardestan River | Isfahan | Important for agriculture and urban water supply; famous for its scenic beauty. |
| Karkheh | 320 km | Zagros Mountains | Shatt al-Arab | Khuzestan | Known for its rich biodiversity and agricultural irrigation. |
| Aras | 1,072 km | Mount Ararat | Caspian Sea | Eastern Azerbaijan, Iran | Natural boundary between Iran and Azerbaijan; significant for agriculture. |
| Dez | 120 km | Zagros Mountains | Karun River | Khuzestan | Supports hydroelectric projects and irrigation. |
| Sefid | 540 km | Alborz Mountains | Caspian Sea | Gilan | Major river in northern Iran; significant for agriculture. |
| Jajrood | 60 km | Alborz Mountains | Karaj River | Tehran | Important for the water supply of Tehran. |
| Mahriz | 45 km | Central Iran | Zayandeh River | Yazd Province | Supports local agriculture and irrigation. |
| Khosh | 100 km | Zagros Mountains | Karkheh River | Lorestan | Vital for irrigation and supports local ecosystems. |
| Gahar | 65 km | Zagros Mountains | Karkheh River | Lorestan | Known for its scenic beauty and local biodiversity. |