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NEET • BIOLOGY • EVOLUTION
Evolution practice · Easy
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1
Easy
1 of 112
Understanding
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The main point of Darwin’s theory is
View answer and explanation
Correct option: B
Natural selection
Option B is correct because natural selection is the central mechanism in Darwin's theory of evolution.
2
Easy
2 of 112
Understanding
+4 | -1
Which one of the following is not a vestigial structure in Homo sapiens?
View answer and explanation
Correct option: B
Epiglottis
Option B (Epiglottis) is correct because the epiglottis is a functional structure that prevents food from entering the trachea.
3
Easy
3 of 112
Remembering
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Identify the phenomenon in which the members of a species do not interbreed with the members of other species or same species
View answer and explanation
Correct option: D
Reproductive isolation
Option D (Reproductive isolation) is correct because it specifically refers to the inability of members of different species, or even the same species, to interbreed and produce viable, fertile offspring.
4
Easy
4 of 112
Analyzing
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Assertion: Organic compounds first evolved in earth required for origin of life were protein and nucleic acid.
Reason: All life forms were in water environment only.
Reason: All life forms were in water environment only.
View answer and explanation
Correct option: B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
Option B (If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion) is correct because while both the assertion about organic compounds and the reason about the water environment are true, the water environment isn't the sole reason for the evolution of organic compounds.
5
Easy
5 of 112
Remembering
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In which era, life was absent?
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Correct option: D
Azoic
Option D (Azoic) is correct because the Azoic era is characterized by the absence of life.
6
Easy
6 of 112
Understanding
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The concept of chemical evolution is based on
View answer and explanation
Correct option: D
Possible origin of life by combination of chemicals under suitable environment conditions
Option D (Possible origin of life by combination of chemicals under suitable environment conditions) is correct because the concept of chemical evolution posits that life arose from the gradual formation of complex organic molecules from simpler inorganic substances in Earth's early environment.
7
Easy
7 of 112
Remembering
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The Mesozoic era is also called as the golden age of the
View answer and explanation
Correct option: B
Reptiles
Option B (Reptiles) is correct because the Mesozoic era is widely known as the age of reptiles, characterized by their dominance.
8
Easy
8 of 112
Understanding
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Evolution is
View answer and explanation
Correct option: B
Progeny with modifications
Option B is correct because evolution is the process of change in the heritable characteristics of biological populations over successive generations, leading to progeny with modifications.
9
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9 of 112
Analyzing
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From the options given below showing convergent evolution between placental mammals and Australian marsupials, which is incorrectly matched?
View answer and explanation
Correct option: B
Placental Mammals - Flying phalanger, Australian Marsupials - Flying squirrel
Option B is incorrectly matched. Flying phalanger is a marsupial, and sugar glider is its placental mammal counterpart, not flying squirrel.
10
Easy
10 of 112
Remembering
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The concept of natural selection in evolution was proposed by
View answer and explanation
Correct option: A
Charles Robert Darwin
Option A is correct because Charles Robert Darwin proposed the concept of natural selection as the driving force of evolution.
11
Easy
11 of 112
Understanding
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Homologous organs indicate the
View answer and explanation
Correct option: C
Common descendent
Option C (Common descendent) is correct because homologous organs are structures that share a common ancestry, indicating descent from a common ancestor.
12
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12 of 112
Understanding
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Which of the following is an example for link – species?
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Correct option: A
Lobe fish
Option A (Lobe fish) is correct because lobe-finned fishes are considered a link between aquatic and terrestrial vertebrates, possessing features of both groups.
13
Easy
13 of 112
Understanding
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Hardy-Weinberg principle is the
View answer and explanation
Correct option: A
Genetic structure of a non-evolving population
Option A (Genetic structure of a non-evolving population) is correct because the Hardy-Weinberg principle describes the genetic structure of a population that is not undergoing evolutionary change.
14
Easy
14 of 112
Remembering
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‘Use and disuse’ theory was proposed by
View answer and explanation
Correct option: A
Lamarck
Option A (Lamarck) is correct because Jean-Baptiste Lamarck proposed the theory of inheritance of acquired characteristics, often referred to as the 'use and disuse' theory.
15
Easy
15 of 112
Remembering
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Which one of the following is the most primitive ancestor of man?
View answer and explanation
Correct option: C
Ramapithecus
Option C (Ramapithecus) is correct because Ramapithecus is considered one of the earliest known ancestors of humans, based on fossil evidence found in the Shivalik hills.
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16
Easy
16 of 112
Remembering
+4 | -1
In which era Protozoa, sponge and algae were originated?
View answer and explanation
Correct option: C
Precambrian era
Option C (Precambrian era) is correct because Protozoa, sponges, and algae originated during the Precambrian era.
17
Easy
17 of 112
Analyzing
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What is common to whale, seal and shark?
View answer and explanation
Correct option: C
Convergent evolution
Option C is correct because whales, seals, and sharks have all evolved similar body shapes and adaptations for aquatic life independently, demonstrating convergent evolution.
18
Easy
18 of 112
Remembering
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Name given to fossil hominid of Shivalik hills in India is
View answer and explanation
Correct option: A
Ramapithecus
Option A (Ramapithecus) is correct because Ramapithecus is the fossil hominid discovered in the Shivalik hills of India.
19
Easy
19 of 112
Understanding
+4 | -1
Which of the following is not vestigial in man?
View answer and explanation
Correct option: B
Nails
Option B (Nails) is correct because nails have a present and functional role in humans, unlike vestigial structures.
20
Easy
20 of 112
Understanding
+4 | -1
Phenomenon of industrial melanism demonstrates
View answer and explanation
Correct option: C
Natural selection
Option C (Natural selection) is correct because industrial melanism demonstrates how environmental changes can lead to a shift in the frequency of certain traits within a population due to selective pressures.
21
Easy
21 of 112
Remembering
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Saltation stands for
View answer and explanation
Correct option: A
Single step large mutation
Option A is correct because saltation refers to a single, large-scale mutation that leads to significant evolutionary change.
22
Easy
22 of 112
Remembering
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Fitness according to Darwin refers to
View answer and explanation
Correct option: A
Reproductive fitness
Option A (Reproductive fitness) is correct because Darwinian fitness refers to an organism's ability to reproduce and pass on its genes to the next generation.
23
Easy
23 of 112
Understanding
+4 | -1
Human arm is homologous to
View answer and explanation
Correct option: D
Both (1) and (3)
Option D (Both (1) and (3)) is correct because human arms, seal flippers, and bird wings share a common ancestry and underlying bone structure.
24
Easy
24 of 112
Understanding
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Which one of the following features occurs in the direction of the evolution for human species?
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Correct option: D
All of these
Option D (All of these) is correct because all listed features (well-developed brain, opposable thumb, binocular vision) have increased during human evolution.
25
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Understanding
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Which of the following are the correct pair of homologous organs? I. Hands of man and wings of bat, II. Wings of bat and wings of cockroach, III. Wings of bird and wings of butterfly, IV. Fins of fish and forelimbs of horse, V. Forearm of human and forelimbs of horse. The correct combination is visible in option
View answer and explanation
Correct option: B
I and V
Option B (I and V) is correct because hands of man and wings of bat, and forearm of human and forelimbs of horse are examples of homologous structures, sharing a common ancestry.
26
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Understanding
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Which of the following is/are the most significant trend in the evolution of humans: I. Shortning of eye, II. Bionocular vision, III. Tool making, IV. Increased cranial capacity.
View answer and explanation
Correct option: B
Only IV
Option B (Only IV) is correct because increased cranial capacity is the most significant trend in human evolution.
27
Easy
27 of 112
Remembering
+4 | -1
Flippers of seal are
View answer and explanation
Correct option: A
Modified forlimbs
Option A (Modified forlimbs) is correct because the flippers of seals are modified forelimbs adapted for swimming.
28
Easy
28 of 112
Remembering
+4 | -1
Which group of organisms is believed to be evolved first on earth?
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Correct option: C
Protozoans
Option C (Protozoans) is correct because protozoans are considered among the earliest evolved organisms on Earth due to their simple cellular structure.
29
Easy
29 of 112
Remembering
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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
I. Fox II. Oparin
III. Wateson IV. Haeckel
V. Mendel VI. Crick
Choose the correct option
View answer and explanation
Correct option: D
Only II
Option D (Only II) is correct because Oparin is the scientist most prominently associated with the theory of chemical evolution of life's origin.
30
Easy
30 of 112
Understanding
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Prodigality of reproduction in Darwinism refers to
View answer and explanation
Correct option: B
Successful organism produce numerous offsprings
Option A (Every organism produces numerous offspring) is correct because prodigality of reproduction refers to the high reproductive rate seen in many organisms.
Revision notes and key takeaways
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Key Takeaways
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Showing 1-30 of 112 questions