Exogenetic Processes Part-1 (Part 1) — Important Questions
Maharashtra Board · Class 9 · Geography
44 important questions from Exogenetic Processes Part-1 (Part 1) for Maharashtra Board Class 9 Geography, with answers.
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Important Questions from Exogenetic Processes Part-1
Which of the following are types of weathering?
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Mechanical weathering, Chemical weathering, Biological weathering
The three main types of weathering are mechanical (physical), chemical, and biological weathering. Electrical weathering is not a recognized type.
Which factors cause mechanical weathering?
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Temperature changes, Frost action, Crystal growth, Release of pressure
Mechanical weathering is caused by physical forces like temperature changes, frost action, crystal growth, and pressure release. Oxidation is a chemical process.
What is formed when iron in rocks reacts with oxygen and water?
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Rust
When iron in rocks reacts with oxygen and water, oxidation occurs forming rust, which appears as a reddish-brown coating on the rock surface.
Which animals contribute to biological weathering?
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Ants, Rats, Rabbits
Burrowing animals like ants, rats, mice, and rabbits contribute to biological weathering by making holes and burrows in rocks and soil. Fish live in water and don't burrow in rocks.
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