Practice Test

Q1) Life has originated due to: Show Answer

Q2) On one of the planet life has originated approximately same: Show Answer

Q3) The spontaneous generation theory was first refuted by: Show Answer

Q4) According to one of the most widely accepted theories, the earth's atmosphere before any life had originated on this planet consisted of mixture of: Show Answer

Q5) Pasteur is famous for: Show Answer

Q6) There is no life on moon as there is no: Show Answer

Q7) In the field of discovery of origin of life Miller prepared: Show Answer

Q8) Large colloidal particles containing protein with water molecules is: Show Answer

Q9) Energy source for origin of life came from: Show Answer

Q10) Which of the following were first formed? Show Answer

Q11) The first organisms were: Show Answer

Q12) Which of the scientists is associated with naturalistic theory of origin of life? Show Answer

Q13) Which is the most accepted theory of origin of life? Show Answer

Q14) Miller synthesized simple amino acids from: Show Answer

Q15) 'Origin of Life' hypothesis was initiated by: Show Answer

Q16) Which one of the gases was absent at the time of origin of life? Show Answer

Q17) People who belived in the theory of "Spontaneous creation" assumed that: Show Answer

Q18) The principle of sterilization is based upon experiment carried by: Show Answer

Q19) The first organisms to appear on earth were more like plants because: Show Answer

Q20) Who of the following proved that life originated from simple amino acids: Show Answer

Q21) In Stanley Miller's classic experiment: Show Answer

Q22) First eukaryotes evolved through: Show Answer

Q23) The modern theory of origin of life is related to: Show Answer

Q24) The primitive atmosphere of earth was devoid of: Show Answer

Q25) The scientist related with the theory of spontaneous generation and experiments with swan-necked flasks is: Show Answer

Q26) Under certain conditions the scientists have obtained cell-like structures but not true organisation of a cell. These are referred to as: Show Answer

Q27) The correct sequence of origin of life is: Show Answer

Q28) One of the following appeared on the earth with the coming of the plants, and was absent in the past: Show Answer

Q29) Conditions of primitive earth were recreated in the laboratory and amino acids and bases were synthesized abiotically by: Show Answer

Q30) Life cannot originate from inorganic material at present because of: Show Answer

Q31) Choose the correct sequence during the formation of chemicals on early earth: Show Answer

Q32) "Origin of life" was written by: Show Answer

Q33) Origin of life took place in / on: Show Answer

Q34) Organic compounds first evolved on earth and required for origin of life were: Show Answer

Q35) Which of the age of prokaryotic microbes? Show Answer

Q36) Who said the "life originated from simple amino acids": Show Answer

Q37) Stanley Lloyd Miller conducted an experiment to demontrate that simple organic molecules like amino acids could be produced if an electric discharge is passed through a mixture of such gases as might have been present in the atmospere of the early earth. The gaseous mixture used in the experiment comprised: Show Answer

Q38) Who said that organisms develop from pre-existing organisms? Show Answer

Q39) The most primitive cell-like chemical aggregates capable of growth and division were: Show Answer

Q40) Russian scientist who proposed the theory of origin of life was: Show Answer

Q41) Origin of life occurred in: Show Answer

Q42) Most important compounds for origin of life was: Show Answer

Q43) Earth originated in the past: Show Answer

Q44) Who demonstrated that life comes from life with the help of flask with boiled froth? Show Answer

Q45) Who did an experiment to prove that "organic compounds were the basis of life"? Show Answer

Q46) Possible early source of energy was: Show Answer

Q47) Theory of spontaneous generation was supported by: Show Answer

Q48) Most advanced theory of origin of life is that of: Show Answer

Q49) First life on earth was: Show Answer

Q50) Early atmosphere contained methane and other hydrocarbons. They have now been replaced by: Show Answer

Q51) Which one of following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter? Show Answer

Q52) Theory of special creation was supported by: Show Answer

Q53) Oparin-Haldane theory of origin of life states that: Show Answer

Q54) Miller conducted his experiment in an apparatus containing methane, ammonia and hydrogen in the ratio of: Show Answer

Q55) Which one of the following amino acid was not found to be synthesized in Miller's experiment? Show Answer

Q56) The oldest surviving rocks, about 4.3 billion years old contain: Show Answer

Q57) The oldest microfossils discovered so far are that of photosynthetic cyanobacteria that appeared: Show Answer

Q58) Who is the founder of theory of biogenesis? Show Answer

Q59) Which theory proposes that universe had an explosive origin about 15 billion years ago? Show Answer

Q60) In the book "Origin of Life" (1938) Oparin submitted: Show Answer

Q61) The presence of which of the following indicates that conditions at the time of origin were non-oxygenic? Show Answer

Q62) The first genetic code was based on: Show Answer

Q63) If protobionts were first formed, competition among them could not have led to evolution, because the most successful would not have been able to: Show Answer

Q64) The greatest diversity of metabolism is found among the: Show Answer

Q65) Primitive eukaryotes led to the evolution of: Show Answer

Q66) Which of the following is correct? Show Answer

Q67) Select the correct discovery: Show Answer

Q68) The first living cell which evolved in primordial soup had the unique ability to produce: Show Answer

Q69) Which of the following evolved first? Show Answer

Q70) For origin of life most important condition is: Show Answer

Q71) Which one of the following eras in geological time scale corresponding to the Person when life has not originated upon earth? Show Answer

Q72) Abiogenesis means Show Answer

Q73) Which of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter? Show Answer

Q74) Select the correct statement -
I. Swan-necked flask experiment was done by Louis Pasteur.
II. The early belief of the spontaneous origin of life was disproved by Louis Pasteur.
III. Louis Pasteur is famous for germ theory of disease develop from per-existing.
IV. The idea that life originates from pre-existing life is referred as biogenesis theory.
V. Father Suarez was one of the greatest advocates of theory of special creation.
VI. Cosmozoic theory of the origin of life was proposed by Richter.
VII. The founder of 'theory of catastrophism' is Georges Cuvier. Show Answer

Q75) About how long ago was the Earth formed Show Answer

Q76) 'Modern theory of origin of life' was propounded by Show Answer

Q77) The theory which explains the origin of life and is based upon experiments is Show Answer

Q78) Oparin's theory of 'Origin of life' is based on Show Answer

Q79) Chemical theory of origin of life was given by Show Answer

Q80) According to Oparin, which one of the following was not present in the primitive atmosphere of the Earth? Show Answer

Q81) Which one is the present today but was absent about 3 to 5 million years ago? Show Answer

Q82) The basic components of atmosphere of primitive Earth were Show Answer

Q83) There is no life on Moon due to the absence of Show Answer

Q84) Life originated in the era Show Answer

Q85) One of the possible early sources of energy was/were Show Answer

Q86) Which compound has a very important role in prebiotic evolution? Show Answer

Q87) The primitive Earth conditions were experimentally shown by Show Answer

Q88) Stanley Miller proposed origin of life by Show Answer

Q89) The first experiment on chemical evolution and origin of life was carried out by Show Answer

Q90) Finding of Millers experiment on origin of life has provided evidence for Show Answer

Q91) Stanley Miller conducted experiments in 1953 on prebiotic Earth environment using special apparatus. The primary surprising products were Show Answer

Q92) Which of the following is formed in Stanley Millers classic experiment? Show Answer

Q93) Which one of the following amino acids was not found to be synthesized in Miller's experiment? Show Answer

Q94) Who performed an experiment to prove that organic compounds were the basis of life? Show Answer

Q95) Origin of life as a result of chemical evolution was properly explained by Show Answer

Q96) Miller synthesized simple amino acids from one of the following mixtures in an experiment Show Answer

Q97) The presence of salts (NaCl and others) in the animal body fluids gives an inference that life originated in the Show Answer

Q98) Droplet of phospholipid molecules formed in a liquid environment is called Show Answer

Q99) On the primitive Earth, polymers such as proteins and nucleic acids in aqueous suspension formed the spherical aggregates. These are called Show Answer

Q100) Which of the following evolved first? Show Answer

Q101) Coacervates are Show Answer

Q102) Coacervates were experimentally produced by Show Answer

Q103) First cell produced on Earth is Show Answer

Q104) The simple organic compounds that may have first evolved in the direction of origin of life on the Earth must have been Show Answer

Q105) The correct sequence of the substances appeared during the course of origin of life on earth was Show Answer

Q106) It is believed that the organisms first inhabited Earth's surface were Show Answer

Q107) Mark the correct statement in the following Show Answer

Q108) Which was first photosynthetic organism? Show Answer

Q109) The oldest eukaryotic fossil is Show Answer

Q110) Coacervates belong to the category of Show Answer

Q111) Select the wrong pair Show Answer

Q112) The most primitive cell-like chemical aggregates capable of growth and division were Show Answer

Q113) Which one of the following is incorrect about the characteristic of protobionts (coacervates and microspheres) as envisaged in abiogenic origin of life? Show Answer

Q114) Mark the correct statement/option Show Answer

Q115) The first form of life arose slowly through evolutionary forces from non-living molecules by Show Answer

Q116) What did Miller and Urey use as a source of energy in their experiments? Show Answer

Q117) The first true cellular form of life appeared on earth about Show Answer

Q118) In Miller's experiment, the following was not the part of starting chemicals Show Answer

Q119) Which one of the following is the correct sequence of events in the origin of life?
I. Formation of protobionts
II. Synthesis of organic monomers
III. Synthesis of organic polymers
IV. Formation of DNA-based genetic systems Show Answer

Q120) Origin of life occurred in Show Answer

Q121) Oparin and Haldane’s theory is also called Show Answer

Q122) A microsphere is a …A… collection of organic macromolecules with double layered outer boundary. The
term microsphere was given by …B…
Complete the given statement by choosing correct options for A and B with reference to NCERT textbook Show Answer

Q123) The sequence of origin of life could be Show Answer

Q124) The first life on the earth was developed through Show Answer

Q125) Origin of life as a result of chemical evolution was properly explained by
I. Fox II. Oparin
III. Wateson IV. Haeckel
V. Mendel VI. Crick
Choose the correct option Show Answer

Q126) What did Miller obtained from his experiment? Show Answer

Q127) The first non-cellular form of life could have originated Show Answer

Q128) First autotrophs on the primitive earth was/were Show Answer

Q129) The first cellular form of life could have originated Show Answer

Q130) Origin of life as a result of chemical evolution has been properly explained by or the most logical
biochemical theory of origin of life has been given by Show Answer

Q131) I. Oparin’s theory of origin of life is based on …A…
II. Chemical theory of origin of life was given by …B…
Choose the correct option for A and B to complete the statements I and II Show Answer

Q132) S L Miller’s closed flask contained Show Answer

Q133) Stanley Miller proposed origin of life by Show Answer

Q134) The concept of chemical evolution is based on Show Answer

Q135) Information molecule to get evolved first on the primitive earth was Show Answer

Q136) The result of Miller’s experiments were discussed in the book ‘The Planets’ written by Show Answer

Q137) According to the heterotroph hypothesis, the first life on the earth was able to Show Answer

Q138) Which of the following statements stands in favour of abiogenesis?
I. Spontaneous generation
II. Origin of viruses and microbes
III. Origin of life from living organism
IV. Origin of life from non-living organism
The correct combination is Show Answer

Q139) According to Oparin, which one of the following was not present in the primitive atmosphere of the earth? Show Answer

Q140) The first enzyme on the primitive earth was/were Show Answer

Q141) Urey –Miller’s experiment mixture had the following except Show Answer

Q142) Which of the following evolved first on the primitive earth? Show Answer

Q143) Which one of the following amino acid was not found to be synthesized in Miller’s experiment? Show Answer

Q144) Which of the following molecules falls under the category of eobionts?
I. Coacervates II. Microspheres Show Answer

Q145) Theory of spontaneous generation or abiogenesis was first disproved by Show Answer

Q146) Who first conducted experiment on evolution to prove biochemical origin of life? Show Answer

Q147) Miller synthesized simple amino acids from one of the following mixtures in his experiment Show Answer

Q148) Organic compounds first evolved in earth required for origin of life were Show Answer

Q149) Which of the following was formed in S Miller’s experiment? Show Answer

Q150) Experimental evidence of chemical evolution was given by Show Answer

Q151) Which was absent in the atmosphere at the time of origin of life? Show Answer

Q152) In the origin of life, microspheres are most primitive protobiont, which have a membrane of Show Answer

Q153) The abiogenesis occurred about how many billion years ago? Show Answer

Q154) First life on the earth originated from non-living matters has been explained by Show Answer

Q155) Which one of the following amino acid was not found to be synthesized in Miller’s experiment?
Statement 1: Coacervates are believed to be the precursors of life.
Statement 2: Coacervates were self-duplicating aggregates of proteins surrounded by lipid molecules. Show Answer

Q156) Which one of the following amino acid was not found to be synthesized in Miller’s experiment?
Statement 1: The earliest organism that appeared on the earth were non-green and presumably
anaerobes.
Statement 2: The first autotrophic organisms were the chemoautotrophs that never released oxygen. Show Answer

Q157) Panspermia, an idea that is still a favourite for some astronomers,
means Show Answer

Q158) From his experiments, S.L. Miller produced amino acids by mixing the
following in a closed flask Show Answer