Tiêu đề K-3213 (Earth Science) (Paper-III).pdf ✅

Total Number of Pages : 8 Paper III 2 K-3213 EARTH SCIENCE Paper – III Note : This paper contains seventy-five (75) objective type questions. Each question carries two (2) marks. All questions are compulsory. 1. In the soil profile the percentage of organic component is more in (A) Bed rock (B) Partially weathered portion (C) Top soil (D) Sub-soil 2. Stream which flows in the opposite direction to the original consequent streams is described as (A) Obsequent (B) Subsequent (C) Insequent (D) Resequent 3. ‘Natural levee’ is an example of (A) Point-bar deposits (B) Channel-fill deposits (C) Flood plain deposits (D) Flood basin deposits 4. Which of the following is a feature exhibited by a river in its upper course ? (A) Meanders (B) River-Piracy (C) Piedmont (D) Sloughs 5. In which of the following sedimentary environments would you least expect to find gravel ? (A) Alluvial fans (B) Deep marine (C) Glacial (D) Active margin beach 6. Which of the following types of sediments are most abundant ? (A) Coarse clastics (B) Fine clastics (C) Chemical (D) Biochemical 7. A sandstone with abundant rock fragments and clay minerals is called (A) Arkose (B) Lith arenite (C) Quartz arenite (D) Shale 8. An irregular suture like boundary developed in some limestone, along which the non-carbonate impurities may collect, formed by pressure solution process is called (A) Stylolite (B) Inversion (C) Overgrowth (D) Septaria 9. In order that a organism or plant becomes fossil it must possess (A) Endoskeleton (B) Soft parts (C) Visceral mass (D) Pallial sinus 10. Fenestella-a net like Bryozoan that lived from (A) Silurian – Ordovician (B) Ordovician – Permian (C) Precambrian – Cambrian (D) Jurassic – Recent 11. Stromatolites are (A) Green algae (B) Blue algae (C) Organo-sedimentary structures (D) Sedimentary structures 12. Polyp and medusa are the terms associated with (A) Trilobites (B) Bryozoans (C) Corals (D) Ammonoids 13. Most periods in geological time scale are named after (A) Fossils (B) Catastrophic events (C) Geographic localities (D) Paleontologists