{"id":87936,"date":"2025-06-01T06:58:09","date_gmt":"2025-06-01T06:58:09","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87936"},"modified":"2025-06-01T06:58:09","modified_gmt":"2025-06-01T06:58:09","slug":"which-one-of-the-following-is-not-an-igneous-rock-2","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-an-igneous-rock-2\/","title":{"rendered":"Which one of the following is not an igneous rock ?"},"content":{"rendered":"

Which one of the following is not<\/b> an igneous rock ?<\/p>\n

[amp_mcq option1=”Granite” option2=”Slate” option3=”Basalt” option4=”Gabbro” correct=”option2″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-1 – 2023<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe correct option is B.
\n<\/section>\n
\nIgneous rocks are formed from the cooling and solidification of molten rock (magma or lava). Metamorphic rocks are formed from existing rocks (igneous, sedimentary, or other metamorphic rocks) that have been changed by heat, pressure, or chemical reactions. Slate is a metamorphic rock.
\n<\/section>\n
\nGranite is a coarse-grained intrusive igneous rock. Basalt is a fine-grained extrusive igneous rock. Gabbro is a coarse-grained intrusive igneous rock, compositionally similar to basalt. Slate is a fine-grained, foliated metamorphic rock formed by the low-grade regional metamorphism of shale or mudstone.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following is not an igneous rock ? [amp_mcq option1=”Granite” option2=”Slate” option3=”Basalt” option4=”Gabbro” correct=”option2″] This question was previously asked in UPSC NDA-1 – 2023 Download PDFAttempt Online The correct option is B. Igneous rocks are formed from the cooling and solidification of molten rock (magma or lava). Metamorphic rocks are formed from … <\/p>\n

Detailed SolutionWhich one of the following is not an igneous rock ?<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1093],"tags":[1105,1317,1106],"class_list":["post-87936","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1105","tag-rocks","tag-world-and-physical-geography","no-featured-image-padding"],"yoast_head":"\nWhich one of the following is not an igneous rock ?<\/title>\n<meta name=\"description\" content=\"The correct option is B. Igneous rocks are formed from the cooling and solidification of molten rock (magma or lava). Metamorphic rocks are formed from existing rocks (igneous, sedimentary, or other metamorphic rocks) that have been changed by heat, pressure, or chemical reactions. 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