GENERAL KNOWLEDGE

GK

WORLD GEOGRAPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The Palaeozoic era starts at ____ million years ago and ends at ____ million years ago.
A
500, 100
B
570, 225
C
470, 150
D
470, 225
Explanation: 

Detailed explanation-1: -During the Paleozoic Era, which lasted 289 million years, plants and reptiles began moving from the sea to the land. The era has been divided into six periods: Permian, Carboniferous, Devonian, Silurian, Ordovician, and Cambrian.

Detailed explanation-2: -Paleozoic (541-252 million years ago) means ‘ancient life. ‘ The oldest animals on Earth appeared just before the start of this era in the Ediacaran Period, but scientists had not yet discovered them when the geologic timescale was made.

Detailed explanation-3: -Paleozoic era (pā´´lēzō´ĭk), a major division (era) of geologic time occurring between 570 to 240 million years ago. It is subdivided into six periods, the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian. Name of a major division of geologic time from c.

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