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Class 11 Distribution of Oceans and Continents worksheet
CBSE Social Science. Continental drift and its evidence, sea floor spreading, plate tectonics, plate boundaries and the movement of the Indian plate. Every sheet has 20 questions in three sections and an answer key, and the numbers change every time.
Sample questions
Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.
Section A · multiple choice
- 1.
Alfred Wegener put forward the continental drift theory in:
- 1961
- 1967
- 1596
- 1912
Answer
(d) 1912
- 2.
What is the evidence from rocks of the same age for continental drift?
- 2,000-million-year-old rocks of Brazil match West Africa
- the same animals live in India, Madagascar and Africa
- a reptile found only in South Africa and Brazil
- Ghana’s gold came from veins in Brazil
Answer
(a) 2,000-million-year-old rocks of Brazil match West Africa
- 3.
Alfred Wegener is known for:
- a computer fit of the Atlantic margins
- first suggested the continents were once joined
- the continental drift theory
- the concept of plate tectonics
Answer
(c) the continental drift theory
Section B · short answer
- 4.
What forces did Wegener suggest caused continental drift?
Answer
The pole-fleeing force (from the earth’s rotation) and the tidal force (from the moon and the sun).
- 5.
How does each support continental drift? (a) placer deposits (b) Mesosaurus fossils
Answer
(a) Ghana’s gold came from veins in Brazil (b) a reptile found only in South Africa and Brazil
Section C · long answer
- 6.
Explain the evidence that supports continental drift.
Answer
The jig-saw fit of the Atlantic coasts, rocks of the same age across oceans, matching tillite, placer gold in Ghana from Brazil, and fossils such as Mesosaurus found far apart.
Fresh sheets for your child
In the app, every Distribution of Oceans and Continents sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.
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