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7 Number of Questions : 32

Time : 3.00 Hours

. What is rock cycle 7

. What are artesian aquifers 7

. Summarize the symmetry elements and forms present in the normal class of isometric

system.

, Define syngenetic and epigenetic mineral deposits.
. Differentiate between an anticline and a syncline.

Give a short account of the hypothesis of sea floor spreading.

. Explain the modes of transport of sediments by streams.
. Illustrate the different types of seismic waves.

Highlight on the tertiary rock formations of Kerala.

, Describe the morphological features of a trilobite fossil.

. Discuss the environmental impacts of mining.

_ Describe the important physical properties of minerals with relevant examples.
. Give details about the types of unconformities.

. Explain the Bowen’s reaction series.

_ Give an account of the factors and types of metamorphism.

Describe the oxidation and supergene enrichment process of ore formation.

. Explain the important mitigation methods of flood hazards.

, Give a detailed account of the internal structure of the Earth.

, Describe the various landforms of Aeolian origin.

, Give the symmetry elements of normal class of tetragonal system and highlight on the

forms present.

. Describe the parts and functions of a petrological microscope.
. Explain the classification and lithology of cretaceous rocks of trichinopoly.
. Write short notes on Nebular, Planetesimal, Gaseous Tidal and Dust Cloud hypotheses of

origin of the Earth.
Give an account of the physical and chemical weathering processes of rocks.

. Describe the types of plate boundaries.

. Discuss the conditions and modes of fossilization.

„ Give details on the important textures of igneous rocks.

. Illustrate the important structures of sedimentary rocks.

. Give an account of the lithology, classification and economic importance of the Vindhyan

supergroup.

. Describe the mode of occurrence, distribution in India and important economic uses of

Lead-Zinc Ore deposits.

. Give an account of the geological time scale.
. Describe the morphological features, classification and geological history of the phylum

brachiopoda.

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Max. Marks : 200

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