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NEET • BIOLOGY • EVOLUTION
Evolution practice · Mixed difficulty
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Showing 1-30 of 348 questions
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1
Easy
1 of 348
Understanding
+4 | -1
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 348
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
Medium
3 of 348
Remembering
+4 | -1
The brain capacities of Homo habilis were
View answer and explanation
Correct option: B
650-800cc
Option B (650-800cc) is correct because this is the known brain capacity range for Homo habilis.
4
Medium
4 of 348
Analyzing
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Assertion (A): In mammals the forelimbs perform different functions.
Reason (R): The forelimbs in different mammals consist of different sets of bones.
Reason (R): The forelimbs in different mammals consist of different sets of bones.
View answer and explanation
Correct option: C
If (A) is true but (R) is false
Option C is correct because while forelimbs in mammals perform different functions, they consist of the same basic set of bones, modified for different purposes.
5
Easy
5 of 348
Remembering
+4 | -1
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.
6
Easy
6 of 348
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.
7
Medium
7 of 348
Remembering
+4 | -1
‘XX’ lived 100000-40000 years ago, in Europe, Asia and Africa. ‘XX’ was short stature, hairy eyebrows, sctreating forehead and large jaws. Identify ‘XX’
View answer and explanation
Correct option: A
Neanderthal man
Option A (Neanderthal man) is correct because the description matches the known characteristics of Neanderthals.
8
Hard
8 of 348
Remembering
+4 | -1
Which of the following is the unit of evolution?
View answer and explanation
Correct option: C
Population
Option C is correct because evolution occurs at the population level, not at the level of individual organisms.
9
Medium
9 of 348
Remembering
+4 | -1
Hugo de Vries’s experimental organism was
View answer and explanation
Correct option: D
Evening primrose
Option D is correct because Hugo de Vries conducted his mutation experiments using the evening primrose (Oenothera lamarckiana).
10
Easy
10 of 348
Remembering
+4 | -1
In which era, life was absent?
View answer and explanation
Correct option: D
Azoic
Option D (Azoic) is correct because the Azoic era is characterized by the absence of life.
11
Easy
11 of 348
Understanding
+4 | -1
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.
12
Medium
12 of 348
Analyzing
+4 | -1
Read the following statements and find out incorrect statements:
A) Alfred Wallace worked in Malay Archipelago
B) Anteater and numbat show convergent evolution
C) Branching descent and natural selection are key concepts of lamarck's theory of evolution
D) Marsupial mole and Marsupial mouse consider as examples of placental mammals
A) Alfred Wallace worked in Malay Archipelago
B) Anteater and numbat show convergent evolution
C) Branching descent and natural selection are key concepts of lamarck's theory of evolution
D) Marsupial mole and Marsupial mouse consider as examples of placental mammals
View answer and explanation
Correct option: A
C and D
Option A (C and D) is correct because branching descent and natural selection are key concepts of Darwin's theory, not Lamarck's, and marsupial moles and mice are not considered placental mammals.
13
Easy
13 of 348
Remembering
+4 | -1
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.
14
Easy
14 of 348
Understanding
+4 | -1
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.
15
Hard
15 of 348
Understanding
+4 | -1
Assertion: The modern horse evolved during
pliocene epoch.
Reason: It arose from eohippus.
pliocene epoch.
Reason: It arose from eohippus.
View answer and explanation
Correct option: D
If both Assertion and Reason are false
Option D (If both Assertion and Reason are false) is correct because the modern horse evolved during the Pleistocene epoch, not the Pliocene, and it evolved from a series of ancestors, not directly from Eohippus.
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16
Hard
16 of 348
Remembering
+4 | -1
What is the important example of genetic drift?
View answer and explanation
Correct option: C
Both 1 and 2
Option C (Both 1 and 2) is correct because both the founder effect and bottleneck effect are important examples of genetic drift.
17
Medium
17 of 348
Analyzing
+4 | -1
Lemur is placental mammal. If it exhibits convergent evolution with an australian marsupial, it should be :
View answer and explanation
Correct option: B
Spotted cuscus
Option B is correct because the spotted cuscus is the Australian marsupial that exhibits convergent evolution with the placental mammal lemur.
18
Easy
18 of 348
Analyzing
+4 | -1
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.
19
Hard
19 of 348
Understanding
+4 | -1
Read the following three statements (a) – (c) and mark the correct option.
(a) The thorns of Bougainvillea and tendrils in cucurbita represent divergent evolution.
(b) The similarity in the eyes of octopus and monkeys is the result of convergent evolution.
(c) The potato and sweet potato are the examples of homology.
(a) The thorns of Bougainvillea and tendrils in cucurbita represent divergent evolution.
(b) The similarity in the eyes of octopus and monkeys is the result of convergent evolution.
(c) The potato and sweet potato are the examples of homology.
View answer and explanation
Correct option: A
(a) and (b)
Option A ((a) and (b)) is correct because thorns and tendrils are homologous, and octopus and monkey eyes are analogous.
20
Hard
20 of 348
Analyzing
+4 | -1
Assertion : Cro-magnon man has more
intelligence than the man of present time.
Reason : He is regarded as most recent ancestor
of today's man.
intelligence than the man of present time.
Reason : He is regarded as most recent ancestor
of today's man.
View answer and explanation
Correct option: B
If both Assertion and Reason are true but Reason
is not the correct explanation of Assertion
is not the correct explanation of Assertion
Option B is correct. While Cro-Magnon man was intelligent and is a recent ancestor, there's no definitive evidence they were *more* intelligent than modern humans, and ancestry doesn't directly equate to intelligence.
21
Medium
21 of 348
Remembering
+4 | -1
Select the wrong pair
View answer and explanation
Correct option: B
Spallanzani – Approve abiogenesis
Option B (Spallanzani – Approve abiogenesis) is the wrong pair because Spallanzani disproved abiogenesis.
22
Easy
22 of 348
Remembering
+4 | -1
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.
23
Hard
23 of 348
Remembering
+4 | -1
The first life form originated
View answer and explanation
Correct option: C
In water
Option C (In water) is correct because the first life forms are believed to have originated in aquatic environments.
24
Medium
24 of 348
Understanding
+4 | -1
The process by which different type of finches were evolved in Galapagos islands is
View answer and explanation
Correct option: A
Adaptive radiation
Option A (Adaptive radiation) is correct because Darwin's finches are a classic example of a species diversifying to fill different ecological niches.
25
Medium
25 of 348
Remembering
+4 | -1
Choose the correct statements
I. Law of embryonic development was given by Von Baer
II. Recapitulation theory was proposed by Haeckel
III. Haeckel theory states that ‘Ontogeny repeats phylogeny’
IV. Haeckel theory and biogenetic law were proposed by the same person
The correct combination is
I. Law of embryonic development was given by Von Baer
II. Recapitulation theory was proposed by Haeckel
III. Haeckel theory states that ‘Ontogeny repeats phylogeny’
IV. Haeckel theory and biogenetic law were proposed by the same person
The correct combination is
View answer and explanation
Correct option: D
I, II, III and IV
Option D (I, II, III and IV) is correct because all the statements are accurate: Von Baer proposed the law of embryonic development, Haeckel proposed the recapitulation theory, Haeckel's theory states 'Ontogeny repeats phylogeny', and Haeckel proposed both the theory and the biogenetic law.
26
Hard
26 of 348
Understanding
+4 | -1
Genetic erosion is due to
View answer and explanation
Correct option: D
All the above
Option D (All the above) is correct because deforestation, shifting cultivation, and adopting genetically uniform varieties all contribute to the loss of genetic diversity, which is genetic erosion.
27
Medium
27 of 348
Remembering
+4 | -1
Which type of growth living organism undergoes?
View answer and explanation
Correct option: D
Intussusception
Option D is correct because living organisms grow through intussusception, which is internal growth by adding new material within.
28
Hard
28 of 348
Understanding
+4 | -1
Which one of the following is the example of evolution by anthropogenic action :
View answer and explanation
Correct option: A
Antibiotics resistance microbes
Option A (Antibiotics resistance microbes) is correct because the development of antibiotic resistance in microbes is a direct result of human use of antibiotics, which is an anthropogenic action.
29
Easy
29 of 348
Understanding
+4 | -1
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.
30
Medium
30 of 348
Analyzing
+4 | -1
Read the following statements and find out incorrect statements:
A) Organs which have different origin but have similar function are analogous organs.
B) Wings of butterflies and birds represents analogous organs.
C) Vertebrates hearts and vertebrates brains represents analogous organs.
D) Analogous organs are based on emoryology and physiology.
A) Organs which have different origin but have similar function are analogous organs.
B) Wings of butterflies and birds represents analogous organs.
C) Vertebrates hearts and vertebrates brains represents analogous organs.
D) Analogous organs are based on emoryology and physiology.
View answer and explanation
Correct option: D
C and D
Option D is correct because vertebrate hearts and brains are homologous, not analogous, and analogous organs are based on evolutionary adaptation, not embryology and physiology.
Revision notes and key takeaways
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Key Takeaways
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Showing 1-30 of 348 questions