Geological Evolution
ICSE · Class 12 · Geography
Flashcards for Geological Evolution — ICSE Class 12 Geography. Quick Q&A cards covering key concepts, definitions, and formulas.
Interactive on Super Tutor
Studying Geological Evolution? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for flashcards and more.
1,000+ Class 12 students started this chapter today
What is geology?
Answer
Geology is the science of the earth's crust.
What does historical geology study?
Answer
Historical geology is the historical study of the earth that studies the patterns of development of the crust in time and space.
What is the difference between an era and a period in geology?
Answer
Eras are the primary intervals of time, and periods are secondary intervals.
What do the terms group and system mean in geological classification?
Answer
Group is the name given to rocks formed during an era, and system is the name given to rocks formed during a period.
Name the four standard geological eras.
Answer
The four standard geological eras are Pre-Cambrian, Paleozoic, Mesozoic, and Cenozoic.
Name the four Indian geological eras.
Answer
The four Indian geological eras are Archean, Purana, Dravidian, and Aryan.
Why is the Pre-Cambrian important in geological history?
Answer
Pre-Cambrian rocks are the oldest rock formations and do not contain fossils. Later eras show progressively more recent life forms, so the Pre-Cambrian marks the earliest stage of earth history preser…
What is the origin of the name Pre-Cambrian?
Answer
The Pre-Cambrian derives its name from the rock formations of Cambria, the Latin name for Wales in the United Kingdom.
+32 more flashcards available
Practice AllFrequently Asked Questions
What are the important topics in Geological Evolution for ICSE Class 12 Geography?
How to score full marks in Geological Evolution — ICSE Class 12 Geography?
How many flashcards are available for Geological Evolution?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Geological Evolution
Practice Quiz
Test yourself with a quick quiz
Important Questions
Practice with board exam-style questions
Revision Notes
Key points for last-minute revision
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect visually
Study Plan
Step-by-step plan to ace this chapter
Syllabus
What topics to cover
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Geological Evolution chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for ICSE Class 12 Geography.