Students of class 12 Biology should refer to MCQ Questions Class 12 Biology Evolution with answers provided here which is an important chapter in Class 12 Biology NCERT textbook. These MCQ for Class 12 Biology with Answers have been prepared based on the latest CBSE and NCERT syllabus and examination guidelines for Class 12 Biology. The following MCQs can help you to practice and get better marks in the upcoming class 12 Biology examination

Chapter 7 Evolution MCQ with Answers Class 12 Biology

MCQ Questions Class 12 Biology Evolution provided below have been prepared by expert teachers of grade 12. These objective questions with solutions are expected to come in the upcoming Standard 12 examinations. Learn the below provided MCQ questions to get better marks in examinations.

Question. Industrial melanism is an example of
(a) drug resistance.
(b) darkening of skin due to smoke from industries.
(c) protective resemblance with the surroundings.
(d) defensive adaptation of skin against ultraviolet radiations.

Question. In 1953, S. L. Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life from pre-existing non-living organic molecules. The primitive earth conditions created include
(a) low temperature, volcanic storms, atmosphere rich in oxygen
(b) low temperature, volcanic storms, reducing atmosphere
(c) high temperature, volcanic storms, non-reducing atmosphere
(d) high temperature, volcanic storms, reducing atmosphere containing CH4, NH3, etc.

Question. Darwin’s finches are a good example of
(a) convergent evolution
(b) industrial melanism
(c) connecting link
(d) adaptive radiation

Question. Select the correct order of geological time scale of earth.
(a) Palaeozoic → Archaeozoic → Coenozoic
(b) Archaeozoic → Palaeozoic → Proterozoic
(c) Palaeozoic → Mesozoic → Coenozoic
(d) Mesozoic → Archaeozoic → Proterozoic

Question. Tasmanian Wolf is a marsupial while Wolf is a placental mammal. This shows
(a) convergent evolution
(b) divergent evolution
(c) inheritance of acquired characters
(d) None of these

Question. Natural selection can lead to
(a) stabilization
(b) directional change
(c) disruption
(d) all of these

Question. Fossil remains of Archaeopteryx indicates that
(a) it was a flying reptile from Triassic.
(b) it was a flying reptile from Permian.
(c) reptiles gave rise to birds during Permian.
(d) reptiles gave rise to birds during Jurassic.

Question. The first mammals were like
(a) chimpanzee
(b) gorilla
(c) shrews
(d) reptiles

Question. The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because
(a) one organism has given rise to another
(b) they share a common ancestor
(c) they perform the same function
(d) they have biochemical similarities

Question. Which of the following features are correct for Homo erectus ?
(i) Had a large brain around 900 c.c.
(ii) Probably ate meat.
(iii) Appeared about 1.5 mya year ago.
(iv) Evolved from H. habilis.
(a) (i) and (ii)
(b) (ii) and (iii)
(c) None of these
(d) All of these

Question. Which of the following is a correct?
(a) Homo erectus lived in east and central Asia and used hides to protect their bodies.
(b) Agriculture came around 18000 yrs back.
(c) The skull of modern human resembles more closely to baby chimpanzee than to adult chimpanzee.
(d) All of the above

Question. Which of the following is not a false statement ?
(a) Life originated in mesozoic era.
(b) Earth was formed about 4.6 million years ago.
(c) Ist living organism in primitive ocean was coacervate.
(d) Homologous organs show divergent evolution.

Question. Which of the following statements best describe the theory of natural selection?
(a) All organisms are equally suited to their environment.
(b) Random selection will determine which organisms survive.
(c) Organisms better adapted to their environment have greater reproductive success.
(d) Organisms that produce the most offspring are better suited to their environment.

Question. Select the incorrect match from the given option.
(a) Homo habilis-Their brain capacities were between 650-800cc
(b) Homo erectus – Its fossil was discovered in Java in 1891 about 1.5 mya
(c) Neanderthal man – They used hides to protect their body and buried their dead.
(d) Ramapithecus – Arose in Africa and moved across continents and developed into distinct races

Question. Which of the following pairs of terms is not related?
(a) Evolution – Natural selection
(b) Vestigial structure – Appendix
(c) Analogous structures – Butterfly wings
(d) Adaptive radiations – Vertebrates hearts or brains

Question. The most accepted line of descent in human evolution is
(a) Australopithecus → Ramapithecus → Homo sapiens → Homo habilis
(b) Homo erectus → Homo habilis → Homo sapiens
(c) Ramapithecus → Homo habilis → Homo erectus → Homo sapiens
(d) Australopithecus → Ramapithecus → Homo erectus → Homo habilis → Homo sapiens.

Question. Evolution is
(a) progressive development of a race.
(b) history and development of a race alongwith variations.
(c) history of a race.
(d) development of a race.

Question. Archaeopteryx is known as missing connecting link because it is a fossil and shows the characters of
(a) fishes and amphibians.
(b) birds and reptiles.
(c) reptiles and mammals.
(d) chordates and nonchordates.

Question. How is extinction represented in a family tree diagram?
(a) When a branch splits.
(b) When a branch ends.
(c) When a branch shifts along x – axis.
(d) When a branch shifts along y – axis.

Question. The term living fossil refers to a
(a) life like fossil well preserved in amber.
(b) fossil formed from a living animal.
(c) living animal which is about to the fossilized.
(d) living organisation showing some very primitive characters.

Question. Genetic drift in a new colony is known as the
(a) natural selection
(b) Founder effect
(c) branching descent
(d) saltation

Question. Disruptive selection favours
(a) only one extreme form of a trait
(b) both the extreme forms of a trait
(c) intermediate form of a trait
(d) none of these

Question. What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?
(a) Shortening of jaws
(b) Binocular vision
(c) Increasing cranial capacity
(d) Upright posture.

Question. Which one of the following changes involved is irrelevant in the evolution of man?
(a) Perfection of hand for tool making.
(b) Change of diet from hard nuts and hard roots to soft food.
(c) Loss of tail.
(d) Increase in the ability to communicate with others and develop community behaviour.

Question. The concept of chemical evolution is based on
(a) interaction of water, air and clay under intense heat
(b) effect of solar radiation on chemicals
(c) possible origin of life by combination of chemicals under suitable environmental condition.
(d) crystallization of chemicals.

Question. The phenomenon of “Industrial melanism” demonstrates
(a) natural selection
(b) induced mutation
(c) genetic drift
(d) geographical isolation

Question. When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed as
(a) microevolution
(b) co-evolution
(c) convergent evolution
(d) divergent evolution.

Question. Which one of the following scientist’s name is correctly matched with the theory put forth by him?
(a) de Vries – Natural selection
(b) Mendel – Theory of Pangenesis
(c) Weismann – Theory of continuity of germplasm.
(d) Pasteur – Inheritance of acquired characters.

Question. Atmosphere of earth just before the origin of life consisted of 
(a) water vapours, CH4, NH3 and oxygen.
(b) CO2, NH3, and CH2
(c) CH4, NH3, H2 and water vapours.
(d) CH4, O3, O2 and water vapours.

Question. Darwin’s Finches are an excellent example of
(a) brood parasitism
(b) connecting links
(c) adaptive radiation
(d) seasonal migration.

Question. Darwin was most influenced by
(a) Lamarck’s theory of acquired characters.
(b) Weismann’s theory of germplasm.
(c) Wallace’s theory of origin of species.
(d) Essay on Population by Malthus

Question. 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 spontaneously, neither from living nor from the non-living.

Question. Palaentological evidences for evolution refer to the
(a) development of embryo
(b) homologous organs
(c) fossils
(d) analogous organs.

Question. Which of the following organs are homologous?
(a) Forelimbs of man and wings of bat
(b) Wings of Bat and bird
(c) Wings of Bat and Petrodactyl
(d) None of these

Question. Homologous organs show
(a) natural selection
(b) divergent evolution
(c) parallel evolution
(d) convergent evolution

Question. Analogous organs arise due to
(a) divergent evolution
(b) artificial selection
(c) genetic drift
(d) convergent evolution

Question. Evolution of life shows that life forms had a trend of moving from
(a) land to water
(b) dryland to wet land
(c) fresh water to sea water
(d) water to land

Question. Viviparity is considered to be more evolved because
(a) the young ones are left on their own
(b) the young ones are protected by a thick shell
(c) the young ones are protected inside the mother’s body and are looked after they are born leading to more chances of survival
(d) the embryo takes a long time to develop

Question. According to Hugo de Vries, speciation is due to
(a) accumulation of small variations
(b) intraspecific breeding
(c) inter specific breeding
(d) saltation

Question. Which one of the following was the first to stand erect ?
(a) Peking Man
(b) Australopithecus
(c) Java Man
(d) Cro-Magnon man

Question. For the MN-blood group system, the frequencies of M and N alleles are 0.7 and 0.3, respectively The expected frequency of MN-blood group bearing organisms is likely to be
(a) 42%
(b) 49%
(c) 9%
(d) 58%

Question. According to Darwin, two different areas within a continent have different species because they have different
(a) evolutionary mechanisms
(b) ancestors
(c) environments
(d) evolutionary times

Question. Which type of selection explains industrial melanism observed in moth, Biston bitularia?
(a) Stabilising
(b) Directional
(c) Disruptive
(d) Artificial

Question. Which of the following is an example for link species?
(a) Lobe fish
(b) Dodo bird
(c) Sea weed
(d) Chimpanzee

Question. Evolution of different species in a given area starting from a point and spreading to other geographical areas is known as
(a) adaptive radiation
(b) natural selection
(c) migration
(d) divergent evolution.

Question. Match the scientists listed under column ‘I’ with ideas listed column ‘II’.
    Column I     Column II
A. Darwin      (i) Abiogenesis
B. Oparin      (ii) Use and disuse of organs
C. Lamarck   (iii) Continental drift theory
D. Wagner (iv) Evolution by natural selection
(a) A-(i); B-(iv); C-(ii); D-(iii)
(b) A-(iv); B-(i); C-(ii); D-(iii)
(c) A-(ii); B-(iv); C-(iii); D-(i)
(d) A-(iv); B-(iii); C-(ii); D-(i)

Question. Stabilising selection favours
(a) only one extreme form of a trait
(b) both the extreme forms of a trait
(c) intermediate form of a trait
(d) none of these

Question. Thorn of Bougainvillea and tendril of Cucurbita are examples of
(a) vestigial organs
(b) retrogressive evolution
(c) analogous organs
(d) homologous organs.

Question. Which is correct formula of Hardy-Weinberg’s law?
(a) p2 + pq + q2 = 0
(b) p2 + pq + q2 = 1
(c) p2 + pq + q2 = infinity
(d) p2 + 2pq + q2 = 1

Question. Fossils are generally found in
(a) sedimentary rocks
(b) igneous rocks
(c) metamorphic rocks
(d) any type of rock

We hope the above multiple choice questions for Class 12 Biology for Chapter 7 Evolution provided above with answers based on the latest syllabus and examination guidelines issued by CBSE, NCERT and KVS are really useful for you. Evolution is an important chapter in Class 12 as it provides very strong understanding about this topic. Students should go through the answers provided for the MCQs after they have themselves solved the questions. All MCQs have been provided with four options for the students to solve. These questions are really useful for benefit of class 12 students. Please go through these and let us know if you have any feedback in the comments section.