Geology and Geophysics
2023 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE GG-1 2023 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 49–51 of 65. Imported answers require review unless explicitly marked reviewed.
Question 49
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Based on the three statements given below, choose the CORRECT option.
Statement I: Echinoids have water vascular system.
Statement II: Delthyrium and pedicle foramen are found in the brachial valve of brachiopods.
Statement III: Cardinal teeth, adductor muscles and chondrophore are found in bivalves.
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The total number of symmetry elements in the crystal class represented by the point group 4/m\bar2/m is
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The ratio of bridging to non-bridging oxygen atoms in the amphibole structure is
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