Showing posts with label geology quiz. Show all posts
Showing posts with label geology quiz. Show all posts

Friday, 29 December 2017

Earth Science Olympiad - Previous Questions 5

Earth Science Olympiad - Previous Questions 5 1. Earth’s biosphere is protected from cosmic ray bombardment from outer space because it has ozone layer in the atmosphere greenhouse gases thick atmosphere magnetic field 2. During the glacial times, the average salinity of the ocean increased relative to the interglacial stage decreased relative to the interglacial stage did...

Thursday, 28 December 2017

Earth Science Olympiad - Previous Questions 4

Earth Science Olympiad - Previous Questions 4 1. Which of the followings is not a stable isotope: 12C 13C 14C 15N 2. Smaller phytoplankton has advantage over bigger phytoplankton in oligotrophic (less nutrient) waters, because: Surface area of smaller phytoplankton is less...

Wednesday, 27 December 2017

Earth Science Olympiad - Previous Questions 3

Earth Science Olympiad - Previous Questions 3 1. Arrange the following in increasing order of grain size a. Sand b. Boulder c. Pebble d. Silt a,c,d,b b,c,a,d d,a,c,b d,a,b,c 2. Which of the following sedimentary structure can be used as Plaeocurrent direction indicator Rainprints Mud...

Earth Science Olympiad - Previous Questions 2

Earth Science Olympiad - Previous Questions 2 1. Chemical weathering of rocks will produce Granite Limestone Bauxite Sandstone 2. Most appropriate example of Geomagnetic reversal is imprinted on the Rift basins Orogenic belts MORs Trenches 3. In case of a structural...

Earth Science Olympiad - Previous Questions 1

Earth Science Olympiad - Previous Questions 1 The questions are from the previous year International Earth Science Olympiad question papers with solutions and explanations.  1. Rift basin is formed by which of the following crustal processes Compression Extension Both...

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