Origin and Evolution of Life: MCQs Test – 2 12

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NEET Biology Questions | Origin and Evolution of Life NEET Questions (MCQs) with Answers | Online Test No 02

Evolution (Origin of Life): MCQs Quiz - 2

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Question 1
Evolution of different species in a given area starting from a point and spreading to other geographical areas is known as
A
Migration
B
Divergent evolution
C
Adaptive radiation
D
Natural selection
Question 2
What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?
A
Increasing cranial capacity
B
Upright posture
C
Shortening of jaws
D
Binocular vision
Question 3
The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating fore heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was
A
Cro-Magnon humans
B
Ramapithecus
C
Homo habilis
D
Neanderthal human
Question 4
Which one of the followings is also called Sewall Wright Effect?
A
Gene Pool
B
Gene flow
C
Genetic Drift
D
Isolation
Question 5
The idea of Natural selection as the fundamental process of evolutionary changes was reached
A
Independently by Charles Darwin and Alfred Russel Wallace in 1900.
B
By Charles Darwin in 1866.
C
By Alfred Russel Wallace in 1901.
D
Independently by Charles Darwin and Alfred Russel Wallace in 1859.
Question 6
Which one of the following statements is correct?
A
There is no evidence of the existence of gills during embryogenesis of mammals
B
Stem cells are specialized cells
C
Ontogeny repeats phylogeny
D
All plant and animal cells are totipotent
Question 7
Jurassic period of the Mesozoic era characterized by
A
Dinosaurs become extinct and angiosperms appear
B
Radiation of reptiles and origin of mammal like reptiles
C
Gymnosperms are dominant plants and first birds appear
D
Flowering plants and first dinosaurs appear
Question 8
When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:
A
Microevolution
B
Divergent evolution
C
Convergent evolution
D
Co-evolution
Question 9
Organic compounds first evolved in earth required for origin of life were
A
Proteins and Amino acids
B
Proteins and Nucleic acids
C
Urea and Amino acids
D
Urea and Nucleic acids
Question 10
Analogous structures are
A
Anatomically similar and functioning similarly
B
Anatomically similar but performing different functions
C
Anatomically different but performing similar functions
D
Anatomically different and functioning differently
Question 11
Select the correct statement from the following:
A
Fitness is the end result of the ability to adapt and gets selected by nature
B
Darwinian variations are small and directionless
C
Mutations are random and directional
D
All mammals except whales and camels have seven cervical vertebrae
Question 12
An important evidence in favor of organic evolution is the occurrence of
A
Homologous organs only
B
Analogous and vestigial organs
C
Homologous and vestigial organs
D
Homologous and analogous organs
Question 13
Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from nonliving matter
A
Microbes did not appear in stored meat
B
Meat was not spoiled, when heated and kept sealed in a vessel
C
Larva could appear in decaying organic matter
D
Microbes appeared form unsterilized organic matter
Question 14

Assertion:  The  earliest  organisms  that  appeared  on  the  earth  were  non-green  and presumably anaerobes.

Reason: The first autotrophic organisms were the chemo-autotrophs that never released oxygen.

A
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
B
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
C
Assertion is true statement but Reason is false.
D
Both Assertion and Reason are false statements.
Question 15

Assertion: Coacervates are believed to be the precursors of life.

Reason: Coacervates were self-duplicating aggregates of proteins surrounded by lipid molecules.

A
Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
B
Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
C
Assertion is true statement but Reason is false.
D
Both Assertion and Reason are false statements.
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12 thoughts on “Origin and Evolution of Life: MCQs Test – 2”

  • Reply ↓
    sibashis

    helpful for students. selected questions are posted that are likely to come in ent exams. thank you.

  • Reply ↓
    sachi singhal

    Really logical and appropriate questions for the upcoming NEET. thanks a lot for these quizzes, you help revise basics very well 😀

  • Reply ↓
    mayur rasal

    Its very good for exam preparation ….
    Thank You !!!!!!!!