Frage 1
Frage
How long ago was the Earth formed from a cloud of dust particles surrounding the sun?
Frage 2
Frage
How was the core of our Earth formed?
Frage 3
Frage
What molten elements are the Earth's core made out of?
Antworten
-
Nickel and Iron
-
Hydrogen and Oxygen
-
Magnesium and Nitrogen
Frage 4
Frage
The Earth's liquid mantle is made out of silicates of which two elements?
Antworten
-
Silicon and Calcium
-
Magnesium and Iron
-
Carbon and Nitrogen
Frage 5
Frage
What is the Earth's crust made of?
Antworten
-
Light silicate compounds
-
Only sedimentary rock
-
Molten lava
Frage 6
Frage
Which gases were present in the first atmosphere of Earth?
Antworten
-
Nitrogen, oxygen, carbon, methane, nitrogen and hydrogen sulphide.
-
Hydrogen, water vapour, methane, ammonia, nitrogen and hydrogen sulphide.
-
Hydrogen, carbon, water vapour, methane and nitrogen.
Frage 7
Frage
Which property did the early atmosphere have?
Antworten
-
Photolysis properties
-
Oxidising properties
-
Reducing properties
Frage 8
Frage
What was missing from the Earth's early atmosphere?
Antworten
-
Oxygen
-
Nitrogen
-
Water Vapour
Frage 9
Frage
Where were most of the early useful molecules thought to have been created?
Frage 10
Frage
Who conducted the 'Primordial Soup' experiment in 1953?
Antworten
-
Stanley Müller
-
Henry Maller
-
Stanley Miller
Frage 11
Frage
What was the aim of the 'primordial Soup' experiment?
Antworten
-
To recreate the explosions that began the Earth
-
To recreate the conditions of Earth before life evolved
-
To observe how gases combusted
Frage 12
Frage
In the first Primordial Soup experiment, which organic compounds were in the solution?
Antworten
-
Ribose, Adenine, Hydrochloric Acid and Urea.
-
Deoxyribose, Glucose, Carbolic Acid and Iron Phosphates.
-
Glycine, Alanine, Lactic Acid and Urea.
Frage 13
Frage
Which molecules have been created from recent recreations of the 'Primordial Soup' experiment?
Antworten
-
Ribose, deoxyribose, purines, pyrimidines and nucleotides.
-
RNA, water, hexose, phosphoric acid and nucleotides.
-
DNA, water, purines, pyrimidines and hexose.
Frage 14
Frage
How do you create ATP from purines?
Antworten
-
Combine ribose and phosphates to adenine under UV light
-
Combine deoxyribose and phosphates to adenine with an electrical charge sent through it.
-
Combine ribose and phosphates to ammonia under UV light.
Frage 15
Frage
What is the name given to large aggregations of molecules?
Antworten
-
Cofactor Droplets
-
Coacervate Droplets
-
Cervical Droplets
Frage 16
Frage
How were the droplets made by Oparin (which resembled living cells) created in the lab?
Antworten
-
Dissolving glycerol and polysaccharides in water
-
Dissolving gelatin and proteins in water
-
Dissolving gelatin protein and polysaccharides in water
Frage 17
Frage
How did the droplets made by Oparin resemble living cells?
Frage 18
Frage
How did Oparin's stable droplets grow?
Frage 19
Frage
The first living cells are thought to have arisen from which kind of droplets?
Antworten
-
Coacervate droplets that contained polynucleotides
-
Coacervate droplets that contained polysaccharides
-
Coacervate droplets that contained protiens
Frage 20
Frage
Which of the following is a reason that some of the first living cells broke down?
Antworten
-
Not enough carbon dioxide to photosynthesis
-
Not enough oxygen to respire
-
Short supply of adenosine triphosphate
Frage 21
Frage
What is the definition of glycolysis?
Antworten
-
The breakdown of glucose to provide energy for the production of ATP
-
The breakdown of glucose to provide energy for the production of proteins
-
The anabolism of glucose to provide energy
Frage 22
Frage
The first organisms were:
Frage 23
Frage
The first cells had nucleic acids organised into coding systems for protein synthesis but they did not have...
Antworten
-
DNA
-
Nuclear membranes
-
Ribosomes
Frage 24
Frage
How did oxygen first appear in the atmosphere?
Frage 25
Frage
Why was atmospheric oxygen damaging?
Antworten
-
It created hydrogen peroxide that could attack RNA and DNA
-
Oxygen over-exposure caused severe abnormalities in cells
-
There was not enough of it
Frage 26
Frage
Which enzyme protects against the effects of hydrogen peroxide?
Antworten
-
Peroxase
-
Hydrogenase
-
Catalase
Frage 27
Frage
Which process produced atmospheric oxygen?
Antworten
-
Photolysis
-
Respiration
-
Radical Substitution
Frage 28
Frage
What happened to the remaining organic chemicals of the 'Primordial Soup'?
Antworten
-
They were broken down into hydrogen peroxide and reduced sediments
-
They were broken down into carbon dioxide and oxidised sediments
-
They were broken down into carbon monoxide and reduced sediments
Frage 29
Frage
Which processes do eukaryotes and prokaryotes have in common?
Antworten
-
Glycolysis and respiration
-
Photolysis and protein synthesis
-
Glycolysis and photosynthesis
Frage 30
Frage
What does the Symbiotic Theory suggest?
Antworten
-
All organelles work with one another, supporting the function of each other
-
All organelles used to be individual prokaryotes
-
All organelles can perform glycolysis
Frage 31
Frage
Which of the following are proof of the Symbiotic Theory?
Frage 32
Frage
How can we estimate the age of rocks?
Frage 33
Frage
In newer methods of determining the age of rocks, which element can be used?
Frage 34
Frage
How old is the oldest found invertebrate (with hard shells or exoskeletons)?
Antworten
-
60 million years old
-
600 million years old
-
6000 million years old
Frage 35
Frage
How old are the first vertebrae fossils?
Antworten
-
5 million years old
-
50 million years old
-
500 million years old
Frage 36
Frage
How old are the oldest microfossils that resemble bacteria?
Antworten
-
1100 million years old
-
3100 million years old
-
5100 million years old