CBSE Class 9 Social Science Shaping of the Earth’s Surface (Class 9 NCERT New) Quiz 2

1. The outer core is.

A Solid B Liquid C Gaseous D Plastic

2. V-shaped valleys are formed by.

A Wind B Glaciers C Rivers D Waves

3. Which statements are true regarding the interior of the Earth? I. Our Earth has a layered structure comprising crust, mantle and core. II. As we move towards the centre of Earth, the density of the different layers increases. III. The crust is made up of a great variety of rocks. IV. The average thickness of the crust varies from 100 to 150 kilometres.

A Only I B Only II C I, II and III D Both III and IV

4. Identify the given image.

A Landslide B Avalanche C Drought D Tsunami 5 Volcanic eruption

5. Consider the statements and choose the correct answer. Statement I: Glaciers which are comparatively bigger in size and slower in movement are called continental glaciers. Statement II: They occupy large areas exceeding thousands of square kilometres.

A Both statements are correct B Both statements are incorrect C Statement I is correct but Statement II is incorrect D Statement I is incorrect but Statement II is correct

6. From the matching items in List I and List II below, identify the correct association for Alfred Wegener. List I: I. Alfred Wegener II. Harry Hess and Robert S. Dietz III. Tibet Plateau IV. Mount Fujiyama. List II: A. Japan B. Roof of the World C. Seafloor Spreading Theory D. Continental Drift Theory.

A Japan B Roof of the World C Seafloor Spreading Theory D Continental Drift Theory

7. From the matching items in List I and List II below, identify the correct association for Harry Hess and Robert S. Dietz. List I: I. Alfred Wegener II. Harry Hess and Robert S. Dietz III. Tibet Plateau IV. Mount Fujiyama. List II: A. Japan B. Roof of the World C. Seafloor Spreading Theory D. Continental Drift Theory.

A Japan B Roof of the World C Seafloor Spreading Theory D Continental Drift Theory

8. From the matching items in List I and List II below, identify the correct association for Tibet Plateau. List I: I. Alfred Wegener II. Harry Hess and Robert S. Dietz III. Tibet Plateau IV. Mount Fujiyama. List II: A. Japan B. Roof of the World C. Seafloor Spreading Theory D. Continental Drift Theory.

A Japan B Roof of the World C Seafloor Spreading Theory D Continental Drift Theory

9. From the matching items in List I and List II below, identify the correct association for Mount Fujiyama. List I: I. Alfred Wegener II. Harry Hess and Robert S. Dietz III. Tibet Plateau IV. Mount Fujiyama. List II: A. Japan B. Roof of the World C. Seafloor Spreading Theory D. Continental Drift Theory.

A Japan B Roof of the World C Seafloor Spreading Theory D Continental Drift Theory

10. Fill in the blank: The solid outer covering of the Earth which envelopes its interior portion is called ________.

A crust B mantle C lithosphere D core