A2 IB

What are the conditions on early Earth that were conducive to the formation of organic molecules?

• Oxygen-rich atmosphere, lack of energy sources, and dry conditions

• Reducing atmosphere, energy sources, and water

• High pressure atmosphere, lack of energy sources, and acidic conditions

• Oxygen-rich atmosphere, presence of energy sources, and lack of water

What is the role of lightning in prebiotic synthesis on early Earth?

• It caused the extinction of early life forms

• It played a role in the formation of organic compounds

• It had no impact on prebiotic synthesis

• It led to the formation of inorganic compounds

What is the significance of the Miller-Urey experiment in understanding prebiotic earth?

• It proved that life can spontaneously generate from non-living matter

• It demonstrated the existence of extraterrestrial life

• It demonstrated the formation of basic building blocks of life under early Earth conditions.

• It showed that the Earth's early atmosphere was not conducive to life

Tags

NGSS.HS-ESS1-6

What are the key components required for the formation of organic molecules on prebiotic Earth?

• Iron, copper, zinc, and silver

• Carbon dioxide, nitrogen, oxygen, and sulfur

• Helium, neon, argon, and krypton

• Water, methane, ammonia, and hydrogen

How did the atmosphere of early Earth contribute to the formation of organic molecules?

• The atmosphere of early Earth was too thin to have any impact on the formation of organic molecules.

• The atmosphere of early Earth contained gases like methane, ammonia, water vapor, and hydrogen, which provided the necessary elements for the formation of organic molecules.

• The atmosphere of early Earth contained high levels of carbon dioxide, which hindered the formation of organic molecules.

• The atmosphere of early Earth contained only oxygen, which was essential for the formation of organic molecules.

Tags

NGSS.HS-ESS1-6

Explain the process of prebiotic synthesis and its relevance to the origin of life on Earth.

• The process of prebiotic synthesis involves the formation of organic compounds from simple inorganic molecules, and it is relevant to the origin of life on Earth as it provides a potential pathway for the formation of the building blocks of life in the early Earth environment.

• Prebiotic synthesis is a rapid process that occurred after the origin of life on Earth.

• The process of prebiotic synthesis involves the formation of inorganic compounds from complex organic molecules.

• Prebiotic synthesis is irrelevant to the origin of life on Earth as it only occurs in modern environments.

Tags

NGSS.HS-ESS1-6

What were the key findings of the Miller-Urey experiment and how did it contribute to our understanding of prebiotic Earth?

• The key findings were the formation of inorganic compounds from organic molecules, contributing to our understanding of prebiotic Earth.

• The key findings were the formation of organic compounds from inorganic molecules, contributing to our understanding of prebiotic Earth.

• The experiment found no evidence of organic compound formation, contradicting our understanding of prebiotic Earth.

• The key findings were the formation of living organisms from inorganic molecules, contributing to our understanding of prebiotic Earth.

How did the conditions on early Earth differ from the present-day environment, and how did it impact the formation of organic molecules?

• Presence of oxygen and low levels of volcanic activity impacted the formation of organic molecules.

• Absence of sunlight and high levels of volcanic activity impacted the formation of organic molecules.

• Absence of oxygen and high levels of volcanic activity impacted the formation of organic molecules.

• Absence of water and high levels of volcanic activity impacted the formation of organic molecules.

Tags

NGSS.HS-ESS1-6

Explain the concept of prebiotic Earth and its relevance to the origin of life.

• The concept of prebiotic Earth is only relevant to the study of geology and has no connection to the origin of life.

• The concept of prebiotic Earth is relevant to the origin of life as it helps us understand the conditions and processes that may have led to the emergence of life on Earth.

• The concept of prebiotic Earth is irrelevant to the origin of life as it has no impact on the conditions for life to emerge.

• Prebiotic Earth refers to a time when life already existed on Earth, so it has no relevance to the origin of life.

Tags

NGSS.HS-ESS1-6

NGSS.HS-ESS2-1

NGSS.HS-LS1-6

Which wavelength of light reached Earth and was thought to be instrumental in the formation of early life?

• Infrared

• Violet

• Green

• Ultraviolet