Q.1
The variously shaped depressions of different dimensions that are developed in the riverbed are called __________
  • a) Potholes
  • b) Cavities
  • c) Dents
  • d) Craters
Q.2
Every major river is associated with a valley of its own.
  • a) True
  • b) False
Q.3
Magnificent jumps made by a stream or river water at certain specific parts of their course where there is a sudden and considerable drop in the gradient of the channel are called __________
  • a) Streams
  • b) Hydraulic jumps
  • c) Waterfalls
  • d) Knick-jumps
Q.4
The most common type of flood plains are __________
  • a) Flat flood plains
  • b) Simple flood plains
  • c) Compound flood plains
  • d) Complex flood plains
Q.5
Alluvial deposits of roughly triangular shape that are deposited by major rivers at their mouths are called __________
  • a) Deltas
  • b) Backwaters
  • c) Lakes
  • d) Streams
Q.6
A typical delta is made of how many layers?
  • a) 2
  • b) 3
  • c) 5
  • d) 4
Q.7
The fore-set beds are intermediate layers.
  • a) True
  • b) False
Q.8
The condition not favouring the formation of delta is __________
  • a) Absence of strong sea currents
  • b) Presence of good quality of load
  • c) Slope of seashore where the stream enters must be gentle
  • d) Presence of strong sea currents
Q.9
Places of steep drops in elevation in the course of a river are called __________
  • a) Depressions
  • b) Cavities
  • c) Knickpoints
  • d) Nickopoints
0 h : 0 m : 1 s