(English Medium) ICSE Class 9 - CISCE Question Bank Solutions for Geography

Classify the following rock: Slate

Classify the following rock: Marble

Classify the following rock: Schist

Classify the following rock: Graphite

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The outer layer of the earth.

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The lower part of ocean floor, comprising mainly of silica.

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Rocks formed by the cooling and solidification of molten rock from beneath the earth crust.

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Stratified rock formed organically but from vegetative matter-swamps and forests.

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The upper part of lithosphere, which is rich in silica and aluminium.

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The core of the earth occupied by rock in iron and nickel.

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Igneous rocks, which contain a high percentage of silica.

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Igneous rocks, which contain a low percentage of silica.

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A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.

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The best example of chemically-formed sedimentary rock, which has been formed by the evaporation of water from solution containing minerals.

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The interior layer is the core, which is made up mainly of iron and nickel, and is called ______.

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______ rocks are formed by the deposition of shells and skeletons of organism.

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______ is formed, when the angular and coarse grains of some durable minerals are cemented together.

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______ is the best example of the wind deposited stratified rock.

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______ rock contain a low percentage of silica and a high percentage of basic oxides.

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Extrusive rocks are also known as ______ rocks.