Evolution MCQ Type Questions for ISC Class 12 Biology

MCQ Type Questions of Evolutions for ISC Class 12 Biology

ISC Class 12 Biology Evolutions  MCQ Type Questions

Question 1: Natural selection can lead to

(a) stabilization

(b) directional change

(c) disruption

(d) all of these

Answer: (d) all of these

Question 2: The first mammals were like

(a) chimpanzee

(b) gorilla

(c) shrews

(d) reptiles

Answer: (c) shrews        

Question 3: Missing link in evolution is:

(a) Pheretima
(b) Limulus
(c) Peripatus
(d) Archaeopterys

Answer: (d) Archaeopterys

Question 4:  Hardy-Weinberg principle explains :

(a) Chromosomal
(b) Genetic drift
(c) Genetic equilibrium
(d) All of these

Answer: (c) Genetic equilibrium

Question 5: Animal husbandry and plant breeding programmes are the examples of

(a) reverse evolution
(b) aritifical selection
(c) mutation
(d) natural selection.

Answer: (d) natural selection.

Question 6: The theory of spontaneous generation stated that

(a) life arose from living forms only
(b) life can arise from both living and non-living
(c) life can arise from non-living things only
(d) life arises spontaneusly, neither from living nor from the non-living.

Answer: (c) life can arise from non-living things only

Question 7: Snakes do not have legs because

Answer: (c) possible origin of life by combination of chemicals under suitable environmental conditions

Question 9: If the frequency of dominant allele is 60%, find out the percentage of heterozygous individuals in the population.

(a) 48%

(b) 50%

(c) 47%

(d) 45%

Answer: (a) 48% 

Question 10: Random genetic drift in a population probably results from

(a) highly genetically variable individuals.
(b) interbreeding within the population.
(c) constant low mutation rate.
(d) large population size.

Answer: (a) highly genetically variable individuals.

Question 11: Analogous organs arise due to

(a) divergent evolution
(b) artificial selection
(c) genetic drift
(d) convergent evolution.

Answer: (d) convergent evolution.

Question 12: (p+q)² = p² + 2pq + q² = 1 represents an equation used in

(a) population genetics
(b) Mendilian genetics
(c) biometircs
(d) molecular genetics.

Answer: (a) population genetics

Question 14: Appearnace of antibiotic-resistant bacteria is an example of

(a) adaptive radiation
(b) transduction
(c) pre-existing variation in the population
(d) divergent evolution.

Answer: (c) pre-existing variation in the population

Question 15: Fossils are generally found in

(a) sedimentasry rocks
(b) igneous rocks
(c) metamorphic rocks
(d) any type of rock.

Answer: (a) sedimentasry rocks

Question 16: Flippers of Penguins and Dolphins are examples of:

(a) Convergent evolution

(b) Industrial melanism

(c) Natural selection

(d) Adaptive radiation

Answer: (a) Convergent evolution

Question 17: Life on earth appeared

(a) 800 million years after the formation of the earth
(b) 700 million years after the formation of he earth
(c) 600 million years after the formation of the earth
(d) 500 million years after the formation of the earth

Answer: (a) 800 million years after the formation of the earth

Question 18:  The scientist who demonstrated experiments that life comes only from pre-existing life was

(a) Darwin
(b) Mendel
(c) Louis Pasteur
(d) Oparin

Answer: (c) Louis Pasteur

Question 19:  Which type of selection is industrial melanism observed in moth, Biston betularia?

(a) Stabilising
(b) Directional
(c) Disruptive
(d) Artificial

Answer: (b) Directional

Question 20: Which of the following is an example for link species ?

(a) Lobe fish
(b) Dodo bird
(c) Seaweed
(d) Chimpanzee

Answer: (a) Lobe fish

Question 21:  Variations during mutations of meiotic recombinations are

(a) random and directionless
(b) random and directional
(c) random and small
(d) random small and directional

Answer: (a) random and directionless

Question 22: One of the possible early sources of energy was/were

(a) CO₂
(b) chlorophyll
(c) green plants
(d) UV rays and lightning.

Answer: (d) UV rays and lightning.

Question 23: Embryological support for evolution was disapproved by:

(a) Alfred Wallace

(b) Charles Darwin

(c) Oparin

(d) Karl Ernst von Baer

Answer: (d) Karl Ernst von Baer

Question 24:  Embryological support for evolution was proposed by

(a) Ernst Heckel

(b) Karl Ernst von Baer

(c) Charles Darwin

(d) Alfred Wallace

Answer : (a) Ernst Heckel

Question 25: Abiogenesis theory of origin supports

(a) spontaneous generation
(b) origin of life from blue-green algae
(c) origin of life is due to pre-existing organisms
(d) organic evolution is due to chemical reactions.

Answer: (a) spontaneous generation

Question 26: Who proposed that the first form of the could have come from pre-existing non-living organic molecules ?

(a) S.L. Miller
(b) Oparin and Haldane
(c) Charles Darwin
(d) Alfred Wallace

Answer: (b) Oparin and Haldane

Question 27:  According to one of the most widely accepted theories, earth’s atmosphere before origin of life was

(a) oxidising
(b) oxidising along with H₂
(c) reducing with free O₂ in small amount
(d) reducing with oxygen absent in O₂ form.

Answer: (b) oxidising along with H₂

Question 28:  After about how many years of the formation of the earth, life appeared on this planet?

(a) 500 billion years

(b) 50 million years

(c) 500 million years

(d) 50 billion years

Answer: (c) 500 million years

Question 29:  Which scientist concluded that existing living forms share similarities to varying degrees not only among themselves but also with life forms that existed millions of years ago?

(a) Darwin
(b) Haldene
(c) Oparin
(d) Mendel

Answer: (a) Darwin

Question 30:   The name of the naturalist who worked in Malay Archepelago regarding evolution is

(a) Darwin
(b) Alfred Wallace
(c) Haldene
(d) Oparin

Answer: (b) Alfred Wallace

Question 31:  Homology indicates

(a) Common structure
(b) Common organs
(c) Common brain

(d) Common ancestry

Answer: (d) Common ancestry

Question 32:  Early at mosphere contained methane and other hydrocarbons. They have been now replaced by

(a) nitrogen
(b) oxygen
(c) carbon dioxide
(d) hydrogen.

Answer: (c) carbon dioxide

Question 33: The first life originated

(a) on land
(b) in air
(c) in water
(d) all of these.

Answer: (c) in water

Question 34: Coacervates are

(a) colloid droplets
(b) nucleoprotein containing entities
(c) microspheres
(d) both (a) and (b)

Answer: (d) both (a) and (b)

Question 35: The character that proves that frogs have evolved from fishes is

(a) their ability to swim in water
(b) tadpole larva in frogs
(c) similarity in the shape of the head
(d) their feeding on aquatic plants.

Answer: (b) tadpole larva in frogs

Question 36: Identify the correct arrangement of periods of Palaeozoic era in ascending order in geological time scale.

(a) Cambrian → Devonian → Ordovician → Silurian → Carboniferous → Permian
(b) Cambrian → Ordovician → Silurian → Devonian→Carboniferous → Permian
(c) Cambrian → Ordovician → Devonian → Silurian → Carboniferous → Permian
(d) Silurian → Devonian → Cambrian → Ordovician → Permian → Carboniferous

Answer: (b) Cambrian → Ordovician → Silurian → Devonian → Carboniferous → Permian

Question 37: The phenomenon of the evolution of different species in a given geographical area starting from a point and spreading to other habitats is called:-

(a) Saltation

(b) Co-evolution

(c) Natural selection

(d) Adaptive radiation

Answer: (d) Adaptive radiation

Question 38: A Hominid fossil discovered in Java in 1891, now extinct, having a cranial capacity of about 900 ccs was:

(a) Homo erectus

(b) Neanderthal man

(c) Homo sapiens

(d) Australopithecus

Answer: (a) Homo erectus

Question 39: The ‘Devonian period’ is considered to be as

(a) age of fishes
(b) age of amphibians
(c) age of reptiles
(d) age of mammals.

Answer: (a) age of fishes

Question 40:  Use of herbicides, pesticides etc. has resulted in

(а) More varieties in a much lesser time scale
(b) Less varieties in a much lesser time scale
(c) Resistant varieties in a much lesser time scale
(d) None of the above

Answer: (c) Resistant varieties in a much lesser time scale

Question 41: Biological evolution is

(a) Evoluion by natural selection
(b) Evolution by unnatural selection
(c) Could be both (a) and (b)
(d) None of the above

Answer: (a) Evoluion by natural selection

Question 42: The work of ……………. on population influenced Darwin.

(a) Mendel
(b) Lamarck
(c) Malthus
(d) None of the above

Answer: (c) Malthus

Question 43: Dispersal of population depends on:

(a) On immigration
(b) On Emigration
(c) On Migration
(d) All of these

Answer: (d) All of these

Question 44: Evolutionary history of an organism is known as:

(a) Ontogeny
(b) Phytogeny
(c) Ancestry
(d) Palaentolgy

Answer: (b) Phytogeny

Question 45: Book ‘Philosophique Zoologique’ was written by:

(a) Lamarck
(b) Mendel
(c) Darwin
(d) Hugo-devries

Answer: (a) Lamarck

Question 46: The primate which existed 15 mya was

(a) Homo habilis
(b) Australopithecus
(c) Ramapithecus
(d) Homo erectus

Answer: (c) Ramapithecus

Question 47: The extinct stone ancestor, who ate only fruits and hunted with stone weapons was

(a) Ramapithecus
(b) Australophecus
(c) Dryopithecus
(d) Homo erectus

Answer: (b) Australophecus

Question 48: One of the oldest, best preserved and most complete hominid fossil commonly known as ‘Lucy’ belongs to the genus

(a) Austraolopithecus
(b) Oreopithecus
(c) Dryopithecus
(d) Pithecanthropus

Answer: (a) Austraolopithecus

Question 49: The ship used by Charles Darwin during the sea voyages was

(a) HMS Beagle
(b) HSM Beagle
(c) HMS Eagle
(d) HSM Eagle.

Answer: (a) HMS Beagle

Question 50:  Fitnes according to Darwin refers to

(a) number of species in a community
(b) useful variation in population
(c) strength of an individual
(d) reproductive fitness of an organism.

Answer: (d) reproductive fitness of an organism.

Question 51: The biogenetic law of Haeckel is:

(a) Ominis vivum-e-eellula
(b) Omminis cellula-e-cellula
(c) Ontogeny repeats phytogeny
(d) Phytogeny repeats ontogeny

Answer: (c) Ontogeny repeats phytogeny

Question 52: Wings of Butterfly and birds are:

(a) Vestigial organs
(b) Analogous organs
(c) Homologous organs
(d) Both (a) and (b)

Answer: (b) Analogous organs

Question 53: Phenomenon of ‘industrial melanism’ demonstrates

(a) geographical isolation
(b) reproductive isolation
(c) natural selection
(d) induced mutation.
Answer: (c) natural selection

Question 54: The presence of gill slits, in the embryos of vertebrates, supports the theory of

(a) metamorphosis
(b) biogenesis
(c) organic evolution
(d) recapitulation

Answer: (d) recapitulation

Question 55:  Which of the following evidences does not favour the Lamarckian concept of inheritance of acquired characters ?

(a) Lack of pigment in cave-dwelling animlas
(b) Melanisation in peppered moth
(c) Absence of limbs in snakes
(d) Presence of webbed toes in aquatic birds

Answer: (b) Melanisation in peppered moth

Question 56: “Human population grows in geometric ratio while food materials increase in arithmetic proportion”. It is a statement from

(a) Darwin
(b) Bateson
(c) AmartyaSen
(d) Malthus.

Answer: (d) Malthus.

-: End of Evolution MCQ Type Questions for ISC Class 12 Biology for ISC Class 12 Biology :-

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