1. Which of the following statements about drainage is true?
1. Drainage refers to the flow of water through undefined channels.
2. A drainage system is a network of channels formed by rivers and basins.
3. Geological structure has no impact on the drainage pattern.
4. The velocity of water does not affect the drainage system.

a) 1 and 2
b) 2 only
c) 1, 2, and 3
d) 2 and 4

2. Which of the following is true about the dendritic drainage pattern?
1. It resembles the branching pattern of tree roots.
2. It develops in areas with parallel elongated landforms.
3. It is the most common type of drainage pattern.
4. Tributaries join the main stream at obtuse angles.

a) 1 and 3
b) 1, 2, and 3
c) 1, 3, and 4
d) 1, 2, and 4

3. Which of the following describes the trellis drainage pattern correctly?
1. It develops in folded topography.
2. Tributaries join the main stream at high angles.
3. Hard and soft rocks exist parallel to each other.
4. It is common in the northern plains of India.

a) 1 and 2
b) 1, 3, and 4
c) 1 and 3
d) 2, 3, and 4

4. Which of the following is true about the radial drainage pattern?
1. Rivers flow from a central elevated point in all directions.
2. It is typical of areas with conical features like volcanoes.
3. It is found in the Vindhya mountain range.
4. The rivers Narmada and Son follow this pattern.

a) 1, 2, and 4
b) 1 and 2
c) 2 and 3
d) 1, 3, and 4

5. Which of the following features belong to the Himalayan drainage system?
1. Formation of V-shaped valleys in the plains.
2. Perennial nature due to snowmelt and precipitation.
3. Formation of ox-bow lakes in the mountainous course.
4. Deposition features near the river mouth.

a) 1, 2, and 3
b) 2 and 4
c) 2, 3, and 4
d) 1, 2, and 4

6. Which of the following rivers are part of the Indus river system?
1. Chenab
2. Gomati
3. Jhelum
4. Sutlej

a) 1, 2, and 3
b) 1, 3, and 4
c) 2 and 4
d) 1, 2, and 4

7. Which of the following is true about the Ganga river system?
1. The Ganga originates from the Yamunotri glacier.
2. It enters the Northern plains at Haridwar.
3. The Son river is a major right-bank tributary.
4. The river flows into the Arabian Sea.

a) 2 and 3
b) 1, 2, and 4
c) 2, 3, and 4
d) 1, 3, and 4

8. Which of the following rivers follow a rectangular drainage pattern?
1. Chambal
2. Betwa
3. Ken
4. Kaveri

a) 1 and 2
b) 1, 2, and 3
c) 2, 3, and 4
d) 1, 3, and 4

9. Which of the following statements about centripetal drainage patterns is true?
1. Streams flow toward a central depression.
2. It is opposite to the radial drainage pattern.
3. It is found in Loktak lake in Manipur.
4. It leads to the formation of braided channels.

a) 1, 2, and 3
b) 1 and 4
c) 2, 3, and 4
d) 1 and 3

10. Which of the following is true about the Brahmaputra river system?
1. It originates in the Chemayungdung glacier.
2. In Tibet, it is known as Tsangpo.
3. It merges with the Yamuna in Bangladesh.
4. Subansiri and Manas are its tributaries.

a) 1 and 2
b) 1, 2, and 4
c) 1, 2, and 3
d) 2, 3, and 4