Which period witnessed the largest mass extinction in Earth's history? MCQ with Answer and Explanation

Question

Share Report Error

Which period witnessed the largest mass extinction in Earth's history?

A. Cretaceous

B. Permian

C. Ordovician

D. Jurassic

Answer: Option B

Solution (By JKSSB Mock Tests)

The Permian-Triassic extinction event eliminated about 90% of marine species.

This question belongs to: Geography GK Physical Geography

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Physical Geography Questions

Question #1

The meeting place of cold and warm ocean currents is generally associated with:

A. Earthquakes

B. Desert Formation

C. Volcanic Activity

D. Rich Fishing Grounds

View Answer & Solution Discuss

Get Complete Subject PDF for Geography GK

Correct Answer: Option D

Explanation:
Mixing of warm and cold currents increases nutrients, creating productive fishing grounds.

This question belongs to: Geography GK Physical Geography

Question #2

The Köppen climate classification is based primarily on:

A. Altitude only

B. Temperature and precipitation

C. Ocean currents

D. Pressure belts

View Answer & Solution Discuss

Get Complete Subject PDF for Geography GK

Correct Answer: Option B

Explanation:
Köppen classified climates using temperature and rainfall patterns.

This question belongs to: Geography GK Physical Geography

Question #3

Which continent has no permanent rivers?

A. Europe

B. Australia

C. Africa

D. Antarctica

View Answer & Solution Discuss

Get Complete Subject PDF for Geography GK

Correct Answer: Option D

Explanation:
Antarctica has no permanent rivers due to its extreme cold climate.

This question belongs to: Geography GK Physical Geography

Explore All Physical Geography MCQs