Biology Olympiad- Origin of Life

Description

To help revise for the Origins of Life section of the Biology Olympiad
Emma Lloyd
Quiz by Emma Lloyd, updated more than 1 year ago
Emma Lloyd
Created by Emma Lloyd over 7 years ago
16
2

Resource summary

Question 1

Question
How long ago was the Earth formed from a cloud of dust particles surrounding the sun?
Answer
  • 200-300 million years ago
  • 480 billion years ago
  • 4500-5000 million years ago

Question 2

Question
How was the core of our Earth formed?
Answer
  • Heat generated by gravitational compression and radioactive decay melted the interior
  • The temperature from the sun was so hot that the rock formations on Earth simply melted inwards
  • Combustion of argon

Question 3

Question
What molten elements are the Earth's core made out of?
Answer
  • Nickel and Iron
  • Hydrogen and Oxygen
  • Magnesium and Nitrogen

Question 4

Question
The Earth's liquid mantle is made out of silicates of which two elements?
Answer
  • Silicon and Calcium
  • Magnesium and Iron
  • Carbon and Nitrogen

Question 5

Question
What is the Earth's crust made of?
Answer
  • Light silicate compounds
  • Only sedimentary rock
  • Molten lava

Question 6

Question
Which gases were present in the first atmosphere of Earth?
Answer
  • Nitrogen, oxygen, carbon, methane, nitrogen and hydrogen sulphide.
  • Hydrogen, water vapour, methane, ammonia, nitrogen and hydrogen sulphide.
  • Hydrogen, carbon, water vapour, methane and nitrogen.

Question 7

Question
Which property did the early atmosphere have?
Answer
  • Photolysis properties
  • Oxidising properties
  • Reducing properties

Question 8

Question
What was missing from the Earth's early atmosphere?
Answer
  • Oxygen
  • Nitrogen
  • Water Vapour

Question 9

Question
Where were most of the early useful molecules thought to have been created?
Answer
  • In shallow oceans
  • In the depths of igneous rock
  • In the atmosphere

Question 10

Question
Who conducted the 'Primordial Soup' experiment in 1953?
Answer
  • Stanley Müller
  • Henry Maller
  • Stanley Miller

Question 11

Question
What was the aim of the 'primordial Soup' experiment?
Answer
  • To recreate the explosions that began the Earth
  • To recreate the conditions of Earth before life evolved
  • To observe how gases combusted

Question 12

Question
In the first Primordial Soup experiment, which organic compounds were in the solution?
Answer
  • Ribose, Adenine, Hydrochloric Acid and Urea.
  • Deoxyribose, Glucose, Carbolic Acid and Iron Phosphates.
  • Glycine, Alanine, Lactic Acid and Urea.

Question 13

Question
Which molecules have been created from recent recreations of the 'Primordial Soup' experiment?
Answer
  • Ribose, deoxyribose, purines, pyrimidines and nucleotides.
  • RNA, water, hexose, phosphoric acid and nucleotides.
  • DNA, water, purines, pyrimidines and hexose.

Question 14

Question
How do you create ATP from purines?
Answer
  • 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.

Question 15

Question
What is the name given to large aggregations of molecules?
Answer
  • Cofactor Droplets
  • Coacervate Droplets
  • Cervical Droplets

Question 16

Question
How were the droplets made by Oparin (which resembled living cells) created in the lab?
Answer
  • Dissolving glycerol and polysaccharides in water
  • Dissolving gelatin and proteins in water
  • Dissolving gelatin protein and polysaccharides in water

Question 17

Question
How did the droplets made by Oparin resemble living cells?
Answer
  • They acquired a membrane-like lipid coating
  • They developed nuclei
  • They could fully synthesis proteins

Question 18

Question
How did Oparin's stable droplets grow?
Answer
  • Mitosis
  • Absorbing chemicals from less stable droplets
  • Endocytosis

Question 19

Question
The first living cells are thought to have arisen from which kind of droplets?
Answer
  • Coacervate droplets that contained polynucleotides
  • Coacervate droplets that contained polysaccharides
  • Coacervate droplets that contained protiens

Question 20

Question
Which of the following is a reason that some of the first living cells broke down?
Answer
  • Not enough carbon dioxide to photosynthesis
  • Not enough oxygen to respire
  • Short supply of adenosine triphosphate

Question 21

Question
What is the definition of glycolysis?
Answer
  • 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

Question 22

Question
The first organisms were:
Answer
  • Heterotropic and aerobic
  • Heterotrophic and anaerobic
  • Homotrophic and aerobic

Question 23

Question
The first cells had nucleic acids organised into coding systems for protein synthesis but they did not have...
Answer
  • DNA
  • Nuclear membranes
  • Ribosomes

Question 24

Question
How did oxygen first appear in the atmosphere?
Answer
  • Respiration of the first living cells
  • Natural combustion
  • Ultra-violet radiation acting on water vapour

Question 25

Question
Why was atmospheric oxygen damaging?
Answer
  • It created hydrogen peroxide that could attack RNA and DNA
  • Oxygen over-exposure caused severe abnormalities in cells
  • There was not enough of it

Question 26

Question
Which enzyme protects against the effects of hydrogen peroxide?
Answer
  • Peroxase
  • Hydrogenase
  • Catalase

Question 27

Question
Which process produced atmospheric oxygen?
Answer
  • Photolysis
  • Respiration
  • Radical Substitution

Question 28

Question
What happened to the remaining organic chemicals of the 'Primordial Soup'?
Answer
  • 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

Question 29

Question
Which processes do eukaryotes and prokaryotes have in common?
Answer
  • Glycolysis and respiration
  • Photolysis and protein synthesis
  • Glycolysis and photosynthesis

Question 30

Question
What does the Symbiotic Theory suggest?
Answer
  • All organelles work with one another, supporting the function of each other
  • All organelles used to be individual prokaryotes
  • All organelles can perform glycolysis

Question 31

Question
Which of the following are proof of the Symbiotic Theory?
Answer
  • Cells can respire
  • Mitochondria resemble aerobic bacteria
  • DNA resembles RNA

Question 32

Question
How can we estimate the age of rocks?
Answer
  • Measure their depth below the surface
  • Use TEM microscopy
  • Measure how much energy they release when combusted

Question 33

Question
In newer methods of determining the age of rocks, which element can be used?
Answer
  • Francium
  • Uranium
  • Argon

Question 34

Question
How old is the oldest found invertebrate (with hard shells or exoskeletons)?
Answer
  • 60 million years old
  • 600 million years old
  • 6000 million years old

Question 35

Question
How old are the first vertebrae fossils?
Answer
  • 5 million years old
  • 50 million years old
  • 500 million years old

Question 36

Question
How old are the oldest microfossils that resemble bacteria?
Answer
  • 1100 million years old
  • 3100 million years old
  • 5100 million years old
Show full summary Hide full summary

Similar

Using GoConqr to study science
Sarah Egan
Forces and motion
Catarina Borges
GCSE Biology B2 (OCR)
Usman Rauf
AQA Biology 8.1 structure of DNA
Charlotte Hewson
Cell Transport
Elena Cade
Function and Structure of DNA
Elena Cade
Cells And Cell Techniques - Flashcards (AQA AS-Level Biology)
Henry Kitchen
Cell Structure
megan.radcliffe16
Exchange surfaces and breathing
megan.radcliffe16
AQA Biology 12.1 cellular organisation
Charlotte Hewson
Haemoglobin
Elena Cade