Grade 10 Life Sciences Test (TVM)

What does the geological time scale represent?

• The distance between planets

• The history of Earth's climate changes

• The timeline of Earth's history and life forms

• How fast evolution occurred

Which era is the oldest?

• Mesozoic

• Cenozoic

• Paleozoic

• Jurassic

What significant event occurred during the Cambrian explosion?

• Dinosaurs went extinct

• First appearance of humans

• Sudden increase in diversity of life

• Ice Age began

The Paleozoic era is known for:

• Flowering plants

• Origin of mammals

• Explosion of marine life and first land plants

• Reptile dominance

What defines the Mesozoic era?

• Mammals ruled

• Dinosaurs dominated

• Primates evolved

• Bacteria first appeared

When did the Cenozoic era begin?

• 2 million years ago

• After the Mesozoic mass extinction

• After the Cambrian explosion

• 500 million years ago

The Cenozoic era is also known as:

• The age of reptiles

• The age of amphibians

• The age of mammals

• The age of bacteria

Which of the following events marked the end of the Mesozoic era?

• Rise of fish

• Cambrian explosion

• Mass extinction of dinosaurs

• First land plants

Which time period is associated with the formation of Earth's first oceans?

• Cenozoic

• Mesozoic

• Hadean

• Paleozoic

The geological time scale is divided based on:

• Lunar cycles

• Radioactive dating only

• Major events in Earth's history

• Earthquakes and volcanoes