Evolution — DPP 1

20 NEET questions from Evolution, with answers and explanations. Attempt it as a timed test to get scoring, accuracy breakdown and mistake tracking.

Attempt this test free 20 questions · 30 minutes · +80 marks
1
The theory of spontaneous generation says that
  1. A Life originated from the decaying and rotting matter like straw, mud etc.
  2. B Life came on the earth from outerspace
  3. C Life comes from pre-existing life only
  4. D Life started with the replication of self replicating metabolic capsules
Show answer & explanation

Correct answer: A

Theory of spontaneous generation supports abiogenesis.
2
An experiment to prove that organic compounds were the basis of life, was performed by
  1. A Von Helmont
  2. B Oparin
  3. C S. Miller
  4. D Fox
Show answer & explanation

Correct answer: C

Based on hypothesis proposed by Oparin and Haldane, Stanley Miller gave experimental evidence for chemical evolution.
3
Evolutionary biology is the study of
  1. A Civilisations
  2. B History of life forms on earth
  3. C Hardy-Weinberg equilibrium
  4. D Reproductive success
Show answer & explanation

Correct answer: B

Study of evolutionary history of an organism is called phylogeny.
4
Russian scientist who proposed the theory of origin of life was
  1. A Oparin
  2. B Haldane
  3. C Miller
  4. D None of these
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Correct answer: A

Haldane and Oparin both proposed hypothesis for origin of life. Haldane was an English (British) scientist.
5
One of the following appeared on earth with the origin of plants and was absent in the primitive atmosphere. Select the correct option.
  1. A Carbon dioxide
  2. B Methane
  3. C Ammonia
  4. D Oxygen
Show answer & explanation

Correct answer: D

Early earth had reducing atmosphere. Plants evolved oxygen during photosynthesis.
6
Origin of earth dates back to
  1. A 10,000 - 15,000 million years ago
  2. B 4000-4600 million years ago
  3. C 500-1000 million years ago
  4. D 2000-3000 million years ago
Show answer & explanation

Correct answer: B

Origin of Universe = 20 billion years ago

Origin of Earth = 4.5 billion years ago
7
All of the following conditions were present on early earth, except
  1. A High temperature
  2. B Volcanic storms
  3. C Oxidising atmosphere
  4. D Reducing atmosphere
Show answer & explanation

Correct answer: C

Early earth's atmosphere was reducing.
8
Simple one-celled cyanobacteria like organisms appeared on earth
  1. A 5600 million years ago
  2. B 5000 million years ago
  3. C 4600 million years ago
  4. D 3.3 to 3.5 billion years ago
Show answer & explanation

Correct answer: D

Origin of earth - 4.5 billion years ago.

Cyanobacteria appeared - about 3.3. to 3.5 billion years ago.
9
The scientist related with the theory of biogenesis and experiments with swan-necked flasks is
  1. A Von Helmont
  2. B Louis Pasteur
  3. C Miller
  4. D Haeckel
Show answer & explanation

Correct answer: B

Louis Pasteur performed this experiment to disprove theory of spontaneous generation.
10
Eukaryotes developed around
  1. A 1,600 million years ago
  2. B 459 million years ago
  3. C 3,800 million years ago
  4. D 4,200 million years ago
Show answer & explanation

Correct answer: A

Free-living eukaryotic cell like organisms originated in the ocean, about 1.5 billion year ago.
11
Theory of abiogenesis or spontaneous generation was first disapproved by
  1. A Electric discharge experiment
  2. B Microsphere formation in spark chamber
  3. C Lederberg replica plate experiment
  4. D Curved neck experiment
Show answer & explanation

Correct answer: D

Louis Pasteur disproved it by famous Swan-neck experiment.
12
Stanley Miller had put the Oparin-Haldane theory to test in 1953 by creating in the laboratory, the probable conditions on the primitive earth. In the experiment simple amino acids were synthesized from which of the following mixtures, as observed after eighteen days?
  1. A $\mathrm{H}_{2}, \mathrm{O}_{2}, \mathrm{~N}_{2}$ and $\mathrm{H}_{2} \mathrm{O}$
  2. B $\mathrm{CH}_{4}, \mathrm{CN}, \mathrm{H}_{2}$ and $\mathrm{O}_{2}$
  3. C $\mathrm{H}_{2}, \mathrm{NH}_{3}, \mathrm{CH}_{4}$ and water vapour
  4. D $\mathrm{NH}_{3}, \mathrm{CH}_{4}$ and $\mathrm{O}_{2}$
Show answer & explanation

Correct answer: C

Primitive earth had reducing atmosphere and was anoxygenic.
13
Which of the following brokeup water into hydrogen and oxygen on early earth?
  1. A Visible light
  2. B Infrared radiations
  3. C Sunlight
  4. D UV radiations
Show answer & explanation

Correct answer: D

Evolution – NEET-10439 $\mathrm{H}_{2}$ being lighter escaped. $\mathrm{O}_{2}$ combined with ammonia and methane to form water, $\mathrm{CO}_{2}$ and others compounds.
14
Louis Pasteur by careful experimentation demonstrated that/the
  1. A Phenomenon of chemical evolution
  2. B There is spontaneous generation of life
  3. C Life comes from pre-existing life
  4. D Abiogenic origin of life
Show answer & explanation

Correct answer: C

He performed Swan-neck experiment to prove Biogenesis.
15
Which of the following theory is related to transfer of life from one planet to another?
  1. A Theory of Special Creation
  2. B Theory of Biogenesis
  3. C Theory of Spontaneous Generation
  4. D Cosmozoic theory
Show answer & explanation

Correct answer: D

This theory states that life is transferred from one planet to another in the form of seeds or spores or sperms.
16
The theory that living organisms on the earth came from outer space is based on the study of
  1. A Igneous rocks
  2. B Sedimentary rocks
  3. C Meteorites
  4. D Moon soil
Show answer & explanation

Correct answer: C

Meteorites are pieces of rocks falling on earth from space.
17
According to cosmozoic theory for origin of life, life comes on earth from other planets in space in the form of
  1. A Spores
  2. B Seeds
  3. C Gametes
  4. D All of these
Show answer & explanation

Correct answer: D

'Panspermia' is used for transfer of these from one planet to other.
18
A.I. Oparin wrote
  1. A Origin of species
  2. B Origin of life
  3. C Philosophie zoologique
  4. D The planet
Show answer & explanation

Correct answer: B

Evolution – NEET-10415

19
The English scientist who worked on the origin of life and settled in India?
  1. A A. I. Oparin
  2. B J. B. S. Haldane
  3. C Louis Pasteur
  4. D Van Helmont
Show answer & explanation

Correct answer: B

Oparin and Haldane proposed hypothesis that first life originated from non-living matter.
20
The proponent of the theory of spontaneous generation was
  1. A Louis Pasteur
  2. B Von Helmont
  3. C Spallanzani
  4. D Francisco Redi
Show answer & explanation

Correct answer: B

Pasteur, Spallanzani and Redi performed experiments to disprove theory of spontaneous generation.

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