Solved NDA Question
A solved NDA PYQ - decoded step-by-step.
Solve it the standard way once - then learn the shortcut.
Q · Rocks and Rock CyclesMedium · 45s
Which of the following are examples of extrusive igneous rocks? Basalt Obsidian Granite Pumice
TopicRocks and Rock Cycles
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.25
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Basalt, obsidian, and pumice are extrusive; granite is intrusive.
Final Answer: Option A - 1, 2 and 4 only