Chapter 3 GEOGRAPHY : Drainage — Online MCQ Test
SOCIAL SCIENCE · CLASS 9th · Andhra State Board
Practice Chapter 3 GEOGRAPHY : Drainage with a free chapter-wise online MCQ test.
This chapter covers: This chapter covers Himalayan and Peninsular river systems drainage patterns lakes economic role of rivers and river pollution control strategies..
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Chapter 3 GEOGRAPHY : Drainage — Important Questions & Answers
What is the term used to describe the area drained by a single river system?
- A. Water divide
- B. Drainage basin
- C. Estuary
- D. Delta
Answer: B. Drainage basin
A drainage basin is the entire area of land that is drained by a single river system.
A drainage basin is the entire area of land that is drained by a single river system.
Which of these is a major river of the Peninsular plateau?
- A. Indus
- B. Ganga
- C. Godavari
- D. Brahmaputra
Answer: C. Godavari
Godavari is a major river originating in the Peninsular plateau, while the others are Himalayan rivers.
Godavari is a major river originating in the Peninsular plateau, while the others are Himalayan rivers.
Which drainage pattern resembles the branches of a tree?
- A. Radial
- B. Trellis
- C. Dendritic
- D. Centripetal
Answer: C. Dendritic
The dendritic pattern develops in river channels where the river shape resembles the branches of a tree.
The dendritic pattern develops in river channels where the river shape resembles the branches of a tree.
Compare Himalayan and Peninsular rivers: Which statement is true?
- A. Himalayan rivers are rain-fed, Peninsular are glacier-fed
- B. Himalayan rivers flow through deep gorges, Peninsular rivers have shallow valleys
- C. Peninsular rivers have longer courses than Himalayan rivers
- D. Both systems have their source in the Western Ghats
Answer: B. Himalayan rivers flow through deep gorges, Peninsular rivers have shallow valleys
Himalayan rivers originate in high mountains forming deep gorges, while Peninsular rivers flow in shallow, mature valleys.
Himalayan rivers originate in high mountains forming deep gorges, while Peninsular rivers flow in shallow, mature valleys.
Why do some Peninsular rivers like Narmada and Tapi flow westwards while most others flow eastwards?
- A. Because of the tilt of the plateau
- B. Because they flow through rift valleys
- C. Because they are fed by glaciers in the Vindhyas
- D. Because of strong western winds
Answer: B. Because they flow through rift valleys
Narmada and Tapi flow through rift valleys created by crustal disturbances, which is why they flow westwards contrary to the general slope.
Narmada and Tapi flow through rift valleys created by crustal disturbances, which is why they flow westwards contrary to the general slope.