NEET Biology Origin Of Life MCQs

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NEET Biology Origin Of Life Multiple Choice Questions And Answers

Question 1. Life has originated due to:

  1. Creation by god
  2. Effects of sunshine on mud
  3. Spontaneous generation
  4. None of the above.

Answer: 4. None of the above.

Question 2. On one of the planets life has originated approximately some:

  1. Half billion years ago
  2. One billion years ago
  3. Two billion years ago
  4. Four billion years ago.

Answer: 4. Four billion years ago.

Question 3. The branch of zoology dealing with similarities and differences between individuals related by descent is:

  1. Evolution
  2. Ecology
  3. Eugenics
  4. Genetics.

Answer: 1. Evolution

Origin Of Life MCQs For NEET

Question 4. The spontaneous generation theory was first refuted by:

  1. S.L. Miller
  2. F. Redi
  3. L. Spallanzani
  4. L. Pasteur.

Answer: 2. F. Redi

Questions  Question 5. According to one of the most widely accepted theories, the earth’s atmosphere before any life had originated on this planet consisted of a mixture of:

  1. Hydrogen, carbon dioxide, ammonia, oxygen
  2. Ozone, methane, oxygen and water vapour
  3. Water vapour, hydrogen, ammonia and methane
  4. Oxygen, hydrogen, methane and ammonia.

Answer: 3. Water vapour, hydrogen, ammonia and methane

Question 6. Pasteur is famous for

  1. Rejection of spontaneous generation theory
  2. Cell theory
  3. Vaccination
  4. Both (1) and (3).

Answer: 4. Both (1) and (3).

Question 7. There is no life on the moon as there is no:

  1. Nitrogen
  2. Oxygen
  3. Carbon
  4. Water.

Answer: 4. Water.

Question 8. In the field of discovery of the origin of life, Miller prepared:

  1. Ammonia
  2. Protein
  3. Amino acids
  4. Hydrogen.

Answer: 3. Amino acids

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Question 9. Large colloidal particles containing protein with water molecules are:

  1. Microsphere
  2. Coacervates
  3. Spherules
  4. All of the above.

Answer: 4. All of the above.

Origin Of Life MCQs For NEET

Question 10. The energy source for the origin of life came from:

  1. Ultraviolet light
  2. Electric charge
  3. High temperature
  4. All the above.

Answer: 4. All the above.

Question 11. Which of the following were first formed?

  1. Eobionts
  2. Coacervates
  3. Genes
  4. Cells.

Answer: 2. Coacervates

Question 12. The first organisms were:

  1. Autotrophs
  2. Hctcrotrophs
  3. Saprotrophs
  4. None of the above.

Answer: 2. Hctcrotrophs

Question 13. Which of the scientists is associated with the naturalistic theory of the origin of life?

  1. Pasteur
  2. Oparin
  3. Miller
  4. Redi.

Answer: 2. Oparin

Origin Of Life MCQs For NEET

Question 14. Which is the most accepted theory of the origin of life

  1. Theory of special creation
  2. Theory of spontaneous generation
  3. Oparin-Haldane theory
  4. Theory of eternity of life.

Answer: 3. Oparin-Haldane theory

Question 15. Miller synthesized simple amino acids from:

  1. H2, NH3, HCN and O2
  2. H2, NH3, CH4 and water vapours
  3. NH3, CH4, HCN
  4. H2, O2, N2 and H2O.

Answer: 2. H2, NH3, CH4 and water vapours

Question 16. The theory of special creation envisages the role of:

  1. Chemical evolution
  2. Abiogenesis
  3. Divine intervention
  4. Physical accretion.

Answer: 3. Divine intervention

Question 17. The theory of catastrophism considers one of the following as its mainstay:

  1. That the earth was periodically devastated by catastrophes causing drastic changes
  2. Catastrophic events eliminate life form
  3. Does not support the theory of special creation
  4. Elimination is the end of all events.

Answer: 1. That the earth was periodically devastated by catastrophes causing drastic changes

NEET Biology Origin Of Life Questions

Question 18. The branch of Biology dealing with the study of the distribution of organisms in different geographic regions is:

  1. Biogeography
  2. Ecology
  3. Eugenics
  4. Genetics.

Answer: 1. Biogeography

Question 19. ‘Origin of Life’ hypothesis was initiated by:

  1. Mendel
  2. Darwin
  3. Oparin
  4. Pasteur.

Answer: 3. Oparin

Question 20. The atmosphere of the earth at the time of the origin of life was:

  1. Oxidising
  2. Reducing
  3. Neither oxidising nor reducing
  4. Having very low temperature.

Answer: 2. Reducing

Question 21. According to Oparin, the universe was a vast dense cloud of hot gases:

  1. 7-10 billion years ago
  2. 5-7 billion years ago
  3. 6-8 billion years ago
  4. 10-15 billion years ago.

Answer: 2. 5-7 billion years ago

Question 22. Which one of the gases was absent at the time of the origin of life?

  1. Oxygen
  2. Methane
  3. Hydrogen
  4. Ammonia.

Answer: 1. Oxygen

NEET Biology Origin Of Life Questions

Question 23. The theory of spontaneous generation of life explains that:

  1. God created all life
  2. Life originated de novo
  3. Scientists created life in laboratories
  4. Life begets life.

Answer: 2. Life originated de novo

Question 24. Cuvier suggested which of the following theories:

  1. Mutation
  2. Theory of special creation
  3. Theory of catastrophism
  4. Natural selection.

Answer: 3. Theory of catastrophism

Question 25. Who is regarded as the father of evolutionary concepts?

  1. Linnaeus
  2. Darwin
  3. Lamarck
  4. Empedocles.

Answer: 4. Empedocles.

Question 26. People who believed in the theory of “Spontaneous creation” assumed that:

  1. Organisms arise only from other organisms
  2. Organisms arise spontaneously
  3. Organisms arise from water
  4. Organisms arise spontaneously and also from similar organisms.

Answer: 2. Organisms arise spontaneously

Question 27. The principle of sterilization is based upon experiments carried by:

  1. I.A. Oparin
  2. L.Pasteur
  3. F. Redi
  4. C. Spallanzani.

Answer: 2. L.Pasteur

NEET Biology Origin Of Life Questions

Question 28. The idea that the egg of Eve or the sperm of Adam contained minute human was part of:

  1. Theory of biogenesis
  2. Concept of epigenesis
  3. Theory of preformation
  4. Theory of recapitulation.

Answer: 3. Theory of preformation

Question 29. The first organisms to appear on Earth were more like plants because:

  1. Plants are similar
  2. Plants are more
  3. Plants do photosynthesis
  4. None of these.

Answer: 3. Plants do photosynthesis

Question 30. Who of the following proved that life originated from simple amino acids:

  1. Muller
  2. Miller and Fisher
  3. Oparin
  4. de Vries.

Answer: 2. Miller and Fisher

Question 31. In Stanley Miller’s classic experiment:

  1. Nucleic acids were formed
  2. Ultraviolet radiation was used
  3. Oxygen was one of the starting ingredients
  4. Amino acids were formed.

Answer: 4. Amino acids were formed.

NEET Previous Year Questions On Origin Of Life

Question 32. Mitochondria contain particles made up of about 100 polypeptide molecules of several different types. The particles catalyze the production of acetyl Co A and carbon dioxide from pyruvate. When disassembled into the component polypeptides, no enzymatic activity is seen. These particles are examples of:

  1. Spontaneous generation
  2. Emergent properties of systems
  3. The origin of life
  4. Informational macromolecules.

Answer: 2. Emergent properties of systems

Question 33. Which of the following is not true of the microspheres studied by Sydney Fox?

  1. They are formed by the addition of water to proteinoids
  2. They are of uniform size, about 2μm in diameter.
  3. Microspheres grow and bud off new microspheres
  4. They are bounded by a layer of lipid
  5. The boundary of a microsphere shows selective permeability.

Answer: 4. The boundary of a microsphere shows selective permeability.

Question 34. Coacervates maintained their entity with the help of

  1. Lipid membrane
  2. Protein membrane
  3. Lipoprotein membrane
  4. Glycoprotein membrane.

Answer: 1. Lipid membrane

Question 35. Nucleotides, porphyrins, polypeptides and other bio-chemicals developed non-enzymatically in early broth due to:

  1. Oxygen free atmosphere
  2. High temperature
  3. Irradiated environment
  4. All the above.

Answer: 4. All the above.

Question 36. Archaespheroides barbertonesis is:

  1. Most primitive living prokaryote
  2. Cambrian trilobite
  3. Precambrian cyanobacterium
  4. First eukaryote.

Answer: 3. Precambrian cyanobacterium

Question 37. First eukaryotes evolved through:

  1. Mutation in prokaryotes
  2. Either mutation in prokaryotes or symbiotic association of different prokaryotes
  3. Symbiotic association of different prokaryotes
  4. None of the above.

Answer: 2. Either mutation in prokaryotes or symbiotic association of different prokaryotes

Question 38. The modem theory of the origin of life is related to:

  1. A.I. Oparin
  2. Cuvier
  3. Epicurus
  4. Lamarck.

Answer: 1. A.I. Oparin

Question 39. The primitive atmosphere of Earth was devoid of:

  1. Ammonia
  2. Free oxygen
  3. Methane
  4. Cyanamide.

Answer: 2. Free oxygen

NEET Previous Year Questions On Origin Of Life

Question 40. According to cosmozoic theory, life comes on Earth from other planets in space in the form of:

  1. Spores
  2. Seeds
  3. Gametes
  4. All the above.

Answer: 1. Spores

Question 41. The scientists related to the theory of spontaneous generation and experiments with swan-necked flasks are:

  1. Van Helmont
  2. Louis Pasteur
  3. Miller
  4. Haeckel.

Answer: 2. Louis Pasteur

Question 42. Under certain conditions scientists have obtained cell-like structures but not the true organisation of a cell. These are referred to as:

  1. Microbes
  2. Coacervates
  3. Eobionts
  4. Protists.

Answer: 2. Coacervates

Question 43. The theory of Pangenesis is related to:

  1. Darwin
  2. de Vries
  3. Cuvier
  4. Aristotle.

Answer: 1. Darwin

Question 44. Anaximander believed in the origin of life through:

  1. Special creation
  2. Spontaneous generation
  3. Panspermia
  4. Biogenesis.

Answer: 2. Spontaneous generation

Question 45. Spallanzani kept boiled nutrition broth indefinitely in:

  1. Covered jars
  2. Uncovered jars
  3. Sealed flasks
  4. Swan-necked flasks.

Answer: 3. Sealed flasks

Question 46. The term proto biogenesis is used for the theory of:

  1. Special creation
  2. Biochemical origin
  3. Panspermia
  4. Spontaneous generation.

Answer: 2. Biochemical origin

NEET Previous Year Questions On Origin Of Life

Question 47. The correct sequence of origin of life is:

  1. Coacervate, biomolecule, autotroph and heterotroph
  2. Biomolecule, coacervate, autotroph and heterotroph
  3. Coacervate, autotroph, biomolecule and heterotroph
  4. None of the above.

Answer: 4. None of the above.

Question 48. One of the following appeared on the earth with the coming of the plants, and was absent in the past:

  1. Carbon dioxide
  2. Methane
  3. Ammonia
  4. Oxygen.

Answer: 4. Oxygen.

Question 49. Conditions of primitive earth were recreated in the laboratory and amino acids and bases were synthesized abiotically by:

  1. Miller and Urey
  2. Oparin A.I. and Haldane, J.B.S.
  3. Oparin and Sydney fox
  4. Louis Pasteur.

Answer: 1. Miller and Urey

Question 50. The theory that living organisms on the earth came from outer space is based on the study of:

  1. Igneous
  2. Sedimentary rocks
  3. Meteorites
  4. Moon soil.

Answer: 3. Meteorites

Theories Of Origin Of Life NEET Questions

Question 51. Life cannot originate from inorganic materials at present because of:

  1. High degree of environmental pollution
  2. A very high amount of oxygen in the atmosphere
  3. Very low atmospheric temperature
  4. Absence of raw material.

Answer: 2. A very high amount of oxygen in the atmosphere

Origin and Evolution of Life MCQs Test Question 52. Choose the correct sequence during the formation of chemicals on early Earth:

  1. Ammonia, water, nucleic acids and proteins
  2. Ammonia, proteins, carbohydrates and nucleic acids
  3. Ammonia, nucleic acids, proteins and carbohydrates
  4. Proteins, carbohydrates, water and nucleic acids.

Answer: 2. Ammonia, proteins, carbohydrates and nucleic acids

Question 53. “Origin of Life was written by:

  1. S.L. Miller
  2. A.I. Oparin
  3. De Vries
  4. Charles Darwin.

Answer: 1. S.L. Miller

Question 54. Origin of life took place in/on:

  1. Water
  2. Air
  3. Mountains
  4. Land.

Answer: 2. Air

Question 55. Panspermia are:

  1. Yeast
  2. Life spores
  3. Bacteria
  4. Viruses.

Answer: 3. Bacteria

Question 56. Organic compounds first evolved on earth and required for the origin of life were:

  1. Urea and amino acids
  2. Proteins and nucleic acids
  3. Proteins and amino acids
  4. Urea and nucleic acids.

Answer: 2. Proteins and nucleic acids

Question 57. “All plants and animals were created and perpetrated themselves without any change”, is the theory of:

  1. Genesis
  2. Panspermia
  3. Abiogenesis
  4. Biogenesis.

Answer: 4. Biogenesis.

Question 58. Origin of life occurred in:

  1. Air
  2. Soil
  3. Mountains
  4. Water.

Answer: 4. Water.

Question 59. The most important compounds for the origin of life were:

  1. Nucleotides
  2. Nucleic acids
  3. Protein
  4. Amino acids.

Answer: 1. Nucleotides

Theories Of Origin Of Life NEET Questions

Question 60. Earth originated in the past:

  1. 1.6 billion yrs.
  2. 4.6 billion yrs.
  3. 8.6 billion yrs.
  4. 86 million yrs.

Answer: 3. 8.6 billion yrs.

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