What is chemical evolution in the context of the origin of life?

Gradual process of complex molecules forming from simpler molecules

Sudden appearance of life from non-living matter

Evolution of life based on physical changes

Formation of life from supernatural forces

What was the purpose of the Miller-Urey experiment?

To simulate the conditions of early Earth and test the hypothesis that organic molecules could have formed from inorganic precursors.

To study the effects of radiation on organic molecules

To create new forms of life in the laboratory

To test the theory of evolution

Describe the key findings of the Miller-Urey experiment.

The experiment showed that organic compounds could be produced from inorganic molecules in a simulated early Earth environment.

The experiment proved that life can spontaneously generate from non-living matter.

The experiment demonstrated the existence of extraterrestrial life forms.

The experiment concluded that inorganic molecules cannot form organic compounds.

What are the main components of the atmosphere that were simulated in the Miller-Urey experiment?

methane, ammonia, water vapor, and hydrogen gas

nitrogen, oxygen, carbon monoxide, sulfur dioxide

oxygen, nitrogen, carbon dioxide, argon

Explain the role of organic molecules in the process of chemical evolution.

Organic molecules provided the building blocks for the formation of life.

Organic molecules played no role in chemical evolution

Chemical evolution was not influenced by the presence of organic molecules

Organic molecules hindered the process of chemical evolution

Discuss the potential sources of energy that could have driven chemical evolution on early Earth.

Lightning, UV radiation, volcanic activity, and meteorite impacts

Nuclear fusion and fossil fuel combustion

Geothermal heat and earthquake activity

How does the concept of chemical evolution relate to the emergence of life on Earth?

Chemical evolution explains the formation and development of organic molecules that eventually led to the emergence of life on Earth.

Chemical evolution only involves inorganic molecules

Chemical evolution led to the extinction of life on Earth

Chemical evolution is unrelated to the emergence of life on Earth

One of the accepted scientific theories describing the origin of life on Earth is known as chemical evolution. According to this theory, which of the following events would need to occur first for life to evolve?

formation of the plasma membrane

According to Redi's Experiment it was disproved that...

Life appeared from inorganic matter

Life appears always in the presence of life...

Flyes appear on rotten meat when exposed to air

The use of filters does stopped the growing of flyes

Louis Pasteur's 1859 experiment showed that a boiled nutrient broth did not give rise to spontaneous new life, but broth exposed to air carrying microbes thrived and gave rise to life. This experiment demonstrated which of the following origin of life theories?

Biogenesis: life can only come from life

Abiogenesis: Life can arise from non-living objects

Spontaneous generation: Life can spontaneously generate with or without the presence of life

Miller and Urey were the first to show that simple, inorganic compounds could produce _________, the building block for life

simple organic molecules, including amino acids

simple organic molecules could give rise to life

simple biotic organisms could spontaneously generate

One of the accepted scientific theories describing the origin of life on Earth is known as chemical evolution. According to this theory, which of the following events would need to occur first for life to evolve?

formation of the plasma membrane

How are mitochondria and chloroplasts like bacteria cells?

They have the same membrane-bound organelles

What is chemical evolution in the context of the origin of life?

Gradual process of complex molecules forming from simpler molecules

Sudden appearance of life from non-living matter

Evolution of life based on physical changes

Formation of life from supernatural forces

IB Bio Origin of Life A2.1

12th Grade

•

30 Qs

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IB Bio Origin of Life A2.1

Quiz

•

Biology

•

12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS1-6, HS-LS4-1, HS-ESS1-6

Standards-aligned

Billy Harper

Used 19+ times

FREE Resource

30 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

This theory of the origin of life states that living things come from nonliving matter.

spontaneous generation

bubble hypothesis

Primordial Soup theory

Meteorite theory

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Louis Pasteur used a goose-neck flask and demonstrated what?

life spontaneously appears

life begins from other organisms

DNA is the building block

Amino acids can be created artificially

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Fossil evidence suggests life on Earth arrived

1.5 bya

4.6 bya

3.8-3.5 bya

4-5 bya

Earth's early atmosphere had no

gasses

volcanoes

water vapor

free oxygen

lightening and solar radiation provided enough energy to transform atmospheric chemicals into biomolecules, which then accumulated in the massive ocean covering the earth’s surface.

primordial soup theory

meteorite theory

bubble theory

spontaneous generation

Bacteria and amino acids were brought to earh

Primordial soup theory

mass extinction

meteorite hypothesis

alien theory

MULTIPLE CHOICE QUESTION

1 min • 1 pt

These scientists proved that organic molecules formed from inorganic molecules present in the Earth’s early atmosphere when given energy from lightening.

lennon and mccartney

watson and crick

einstein and newton

Miller and Urey

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IB Bio Origin of Life A2.1

30 questions

This theory of the origin of life states that living things come from nonliving matter.

Louis Pasteur used a goose-neck flask and demonstrated what?

Fossil evidence suggests life on Earth arrived

Earth's early atmosphere had no

lightening and solar radiation provided enough energy to transform atmospheric chemicals into biomolecules, which then accumulated in the massive ocean covering the earth’s surface.

Bacteria and amino acids were brought to earh

These scientists proved that organic molecules formed from inorganic molecules present in the Earth’s early atmosphere when given energy from lightening.

These scientists proved that organic molecules formed from inorganic molecules present in the Earth’s early atmosphere when given energy from lightening.

These scientists proved that organic molecules formed from inorganic molecules present in the Earth’s early atmosphere when given energy from lightening.

A repeating cycle whereby organic molecules could have been brought together by energy from underwater volcanic gas bubbles and released into the atmosphere where UV rays changed them further

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