Class 9 Geography Chapter 3 Question Answers - Drainage

Q1: Name the two major groups into which Indian rivers are divided.
Ans: The Himalayan rivers and The Peninsular rivers.

Q2: Which are the two major Himalayan rivers?
Ans: The two major Himalayan rivers are the Indus and the Brahmaputra.

Q3: Where do the Indus and the Brahmaputra originate from?
Ans: These rivers originate from the north of the mountain ranges.

Q4: Give one feature of the Himalayan rivers.
Ans: Most of the Himalayan rivers are perennial which means that they have water throughout the year.

Q5: What do you mean by a river system?
Ans: A river along with its tributaries is called a river system.

Q6: Name the tributaries that join the river Indus in the Kashmir region.
Ans: The Zaskar, the Nubra, the Shyok, and the Hunza.

Q7: What is the total length of the river Indus?
Ans: The total length of the river Indus is 2900 km.

Q8: Name the Indian states in which the Indus basin is located.
Ans: Jammu and Kashmir, Himachal Pradesh, and Punjab.

Q9: In which country is the major portion of the Indus lying?
Ans: The major portion of the Indus is lying in Pakistan.

Q10: What is the Indus Water Treaty?
Ans: The Indus Water Treaty took place in the year 1960. According to its regulations, India can use only 20 percent of the total water carried by Indus river system.

Q11: Name any two tributaries of the river Ganga.
Ans: The Yamuna and The Ghaghara.

Q12: Where does the Yamuna meet the Ganga?
Ans: The Yamuna meets the Ganga at Allahabad.

Q13: What is the length of the river Ganga?
Ans: The length of the river Ganga is over 2500 km.

Q14: Which drainage pattern is formed by the Ganga?
Ans: The river Ganga forms dendritic pattern, which resembles the shape of a tree and is the most common pattern on the earth’s surface.

Q15: Ambala is located on the water divide between which two river systems?
Ans: Ambala is located on the water divide between the Indus and the Ganga river systems.

Q16: Where does the river Brahmaputra have its origin?
Ans: The Brahmaputra has its origin in Tibet east of Mansarovar lake.

Q17: What is the Brahmaputra called in Arunachal Pradesh?
Ans: In Arunachal Pradesh, the Brahmaputra is called the Dihang.

Q18: What is the Brahmaputra known as in Tibet and Bangladesh?
Ans: The Brahmaputra is known as the Tsang Po in Tibet and the Jamuna in Bangladesh.

Q19: Name the world’s largest riverine island formed by the Brahmaputra.
Ans: It is Majoli.

Q20: Name any two Peninsular rivers.
Ans: The Mahanadi and The Godavari.

Q21: Name two west-flowing rivers that make estuaries.
Ans: The Narmada and The Tapi.

Q22: Which two states of India are covered by the Narmada basin?
Ans: The Narmada basin covers parts of Madhya Pradesh and Gujarat.

Q23: The Godavari is joined by many tributaries. Name them.
Ans: The Purna, the Wardha, the Pranhita, the Manjra, the Wainganga, and the Penganga.

Q24: What is known as the Dakshin Ganga?
Ans: The three tributaries of the Godavari, namely the Manjra, the Wainganga, and the Penganga, are very large. Because of its length and the area it covers, it is also known as the ‘Dakshin Ganga’.

Q25: Name the Tributaries of the river Krishna.
Ans: The Tungabhadra, the Koyana, the Ghatprabha, the Musi, and the Bhima.