Class 07 Social Science Our Changing Earth CBSE Questions & Answers

Class 7 · Social Science Our Changing Earth

This is Social Science class 07 Social Science Our Changing Earth CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Venezuela is in
  • A
    South America
    Correct
  • B
    West America
  • C
    East America
  • D
    North America
2
In due course of time the meander loop cuts off from the river and forms a cut-off lake, also called an
  • A
    Levees
  • B
    Meanders lake
  • C
    Flood plains
  • D
    ox-bow lake
    Correct
3
As the river approaches the sea, the speed of the flowing water decreases and the river begins to break up into a number of streams called
  • A
    Meanders
  • B
    Levees
  • C
    Flood plains
  • D
    Distributaries
    Correct
4
The erosion and deposition of the sea waves gives rise to
  • A
    Mountain landforms
  • B
    Coastal landforms
    Correct
  • C
    Plateau landforms
  • D
    Plain landforms
5
Glaciers are ?rivers? of
  • A
    Ice
    Correct
  • B
    Water
  • C
    Wind
  • D
    Water vapour
6
The material carried by the glacier such as rocks big and small, sand and silt gets deposited. These deposits form
  • A
    Glacial caves
  • B
    Glacial meanders
  • C
    Glacial stacks
  • D
    Glacial moraines
    Correct
7
Volcano derived its name from
  • A
    Island
    Correct
  • B
    River
  • C
    Mountain
  • D
    Plateau
8
Which of the following is the highest water fall in India
  • A
    Angel
  • B
    Jog
    Correct
  • C
    Victoria
  • D
    Niagara
9
Why mushroom rocks have narrower base and wider top
  • A
    Because winds erode the lower section of the rock equally with the upper part.
  • B
    Because water erode the lower section of the rock more than the upper part.
  • C
    Because winds erode the lower section of the rock more than the upper part.
    Correct
  • D
    Because winds erode the lower section of the rock less than the upper part.
10
When the grains of sand are very fine and light, the wind can carry it over very long distances. When such sand is deposited in large areas, it is called
  • A
    Loess
    Correct
  • B
    Sand dunes
  • C
    Mushroom rocks
  • D
    Meanders
11
Meanders found in
  • A
    Deserts
  • B
    River valleys
    Correct
  • C
    Forest
  • D
    Glaciers
12
Which waterfall situated in North America
  • A
    Victoria
  • B
    Jog
  • C
    Niagara
    Correct
  • D
    Angel
13
Lithospheric plates move because of the
  • A
    Movement of the molten magma inside the earth
    Correct
  • B
    Movement of the solid magma outside the earth
  • C
    Movement of the molten magma outside the earth
  • D
    Movement of the solid magma inside the earth
14
Match the following Column I(a) Glaciers(b) Sand dune(c) Ox bow lake Column II(1) Moving mass of ice(2) Small hills of sand(3) Crescent shaped lake formed by the river meanders
  • A
    (a)-(1),(b)-(3),(c)-(2)
  • B
    (a)-(1),(b)-(2),(c)-(3)
    Correct
  • C
    (a)-(2),(b)-(3),(c)-(1)
  • D
    (a)-(2),(b)-(1),(c)-(3)
15
Identify the figure given below
Question 15 figure 1
  • A
    Glaciers
  • B
    Sea waves
  • C
    Earthquake
  • D
    Volcano
    Correct