MCQs For NCERT Class 12 Biology Chapter 7 Evolution

Please refer to the MCQ Questions for Class 12 Biology Chapter 7 Evolution with Answers. The following Evolution Class 12 Biology MCQ Questions has been designed based on the latest syllabus and examination pattern for Class 12. Our experts have designed MCQ Questions for Class 12 Biology with Answers for all chapters in your NCERT Class 12 Biology book.

Evolution Class 12 MCQ Questions with Answers

See below Evolution Class 12 Biology MCQ Questions, solve the questions and compare your answers with the solutions provided below.

Question. Which of the following amino acids was not found to be synthesised in Miller’s experiment?
(a) Alanine
(b) Glycine
(c) Aspartic acid
(d) Glutamic acid

Question. According to Oparin, which one of the following was not present in the primitive atmosphere of the earth?
(a) Methane
(b) Oxygen
(c) Hydrogen
(d) Water vapour

Question. There is no life on moon due to the absence of
(a) O₂
(b) water
(c) light
(d) temperature. 

Question. Most abundant organic compound on earth is
(a) protein
(b) cellulose
(c) lipids
(d) steroids. 

Question. 1st life on earth was
(a) cyanobacteria
(b) chemoheterotrophs
(c) autotrophs
(d) photoautotrophs

Question. The correct sequence for the manufacture of molecules/organic compounds on the primitive earth is
(a) NH₃, nucleic acid, protein and carbohydrate
(b) protein, carbohydrate, water and nucleic acid
(c) NH₃, protein, carbohydrate and nucleic acid
(d) NH₃, water, nucleic acid and protein.

Question. From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask.
(a) CH₄, H₂, NH₃ and water vapor at 800°C
(b) CH₃, H₂, NH₄ and water vapor at 800°C
(c) CH₄, H₂, NH₃ and water vapor at 600°C
(d) CH₃, H₂, NH₃ and water vapor at 600°C

Question. Which of the following is the correct sequence of events in the origin of life?
I. Formation of protobionts
II. Synthesis of organic monomers
III. Synthesis of organic polymers
IV. Formation of DNA-based genetic systems
(a) I, II, III, IV
(b) I, III, II, IV
(c) II, III, I, IV
(d) II, III, IV, I

Question. The first organisms were
(a) chemoautotrophs
(b) chemoheterotrophs
(c) autotrophs
(d) eukaryotes. 

Question. Flippers of penguins and dolphins are examples of
(a) adaptive radiation
(b) convergent evolution
(c) industrial melanism
(d) natural selection.

Question. The similarity of bone structure in the forelimbs of many vertebrates is an example of
(a) homology
(b) analogy
(c) convergent evolution
(d) adaptive radiation.

Question. Among the following sets of examples for divergent evolution, select the incorrect option.
(a) Forelimbs of man, bat and cheetah
(b) Heart of bat, man and cheetah
(c) Brain of bat, man and cheetah
(d) Eye of octopus, bat and man 

Question. Which of the following structures is homologous to the wing of a bird?
(a) Hindlimb of rabbit
(b) Flipper of whale
(c) Dorsal fin of a shark
(d) Wing of a moth

Question. Analogous structures are a result of
(a) shared ancestry
(b) stabilising selection
(c) divergent evolution
(d) convergent evolution.

Question. Which was absent in the atmosphere at the time of origin of life?
(a) NH₃
(b) H₂
(c) O₂
(d) CH₄

Question. Embryological support for evolution was disapproved by
(a) Karl Ernst von Baer
(b) Alfred Wallace
(c) Charles Darwin
(d) Oparin.

Question. The wings of a bird and the wings of an insect are
(a) phylogenetic structures and represent divergent evolution
(b) homologous structures and represent convergent evolution
(c) homologous structures and represent divergent evolution
(d) analogous structures and represent convergent evolution. 

Question. Industrial melanism is an example of
(a) mutation
(b) Neo-Lamarckism
(c) Neo-Darwinism
(d) natural selection.

Question. The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challenge, is called
(a) non-random evolution
(b) adaptive radiation
(c) natural selection
(d) convergent evolution.

Question. Peripatus is a connecting link between
(a) mollusca and echinodermata
(b) annelida and arthropoda
(c) coelenterata and porifera
(d) ctenophora and platyhelminthes.

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 one of the following statements is correct?
(a) There is no evidence of the existence of gills during embryogenesis of mammals.
(b) All plant and animal cells are totipotent.
(c) Ontogeny repeats phylogeny.
(d) Stem cells are specialised cells. 

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

Question. Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of
(a) analogous organs
(b) adaptive radiation
(c) homologous organs
(d) convergent evolution. 

Question. Which one of the following are analogous structures?
(a) Wings of bat and wings of pigeon
(b) Gills of prawn and lungs of man
(c) Thorns of Bougainvillea and tendrils of Cucurbita
(d) Flippers of dolphin and legs of horse

Question. An important evidence in favour of organic evolution is the occurrence of
(a) homologous and analogous organs
(b) homologous and vestigial organs
(c) analogous and vestigial organs
(d) homologous organs only.

Question. Convergent evolution is illustrated by
(a) rat and dog
(b) bacterium and protozoan
(c) starfish and cuttle fish
(d) dogfish and whale. 

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. Which of the following are homologous organs?
(a) Wings of birds and locust
(b) Wings of birds and pectoral fins of fish
(c) Wings of bat and butterfly
(d) Legs of frog and cockroach 

Question. Sequence of which of the following is used to know the phylogeny?
(a) mRNA
(b) rRNA
(c) tRNA
(d) DNA

Question. Which one of the following is not a living fossil?
(a) Peripatus
(b) King crab
(c) Sphenodon
(d) Archaeopteryx 

Question. Which of the following is the relatively most accurate method for dating of fossils?
(a) Radio-carbon method
(b) Potassium-argon method
(c) Electron-spin resonance method
(d) Uranium-lead method

Question. Half life period of ¹⁴C is
(a) 500 years
(b) 5000 years
(c) 50 years
(d) 5 × 10⁴ years. 

Question. In Lederberg’s replica plating experiment what shall be used to obtain streptomycin resistant strain?
(a) Minimal medium and streptomycin
(b) Complete medium and streptomycin
(c) Only minimal medium
(d) Only complete medium 

Question. Similarities in organism with different genotype indicates
(a) microevolution
(b) macroevolution
(c) convergent evolution
(d) divergent evolution.

Question. Which of the following are homologous organs?
(a) Wings of bird and hands of human
(b) Nails of human being and claws in animals
(c) Wings of bird and wings of insect
(d) Wings of bat and wings of cockroach

Question. Which of the following isotopes is most dangerous to Homo sapiens?
(a) Phosphorus-32
(b) Strontium-90
(c) Caesium-137
(d) Iodine-131

Question. The change of the lighter-coloured variety of peppered moth (Biston betularia) to its darker variety (Biston carbonaria) is due to
(a) mutation
(b) regeneration
(c) genetic isolation
(d) temporal isolation.

Question. The homologous organs are those that show similarity in
(a) appearance
(b) function
(c) origin
(d) size. 

Question. The presence of gill slits, in the embryos of all vertebrates, supports the theory of
(a) metamorphosis
(b) biogenesis
(c) organic evolution
(d) recapitulation. 

Question. The earliest fossil form, in the phylogeny of horse, is
(a) Equus
(b) Mesohippus
(c) Eohippus
(d) Merychippus. 

Question. Which is not a vestigial organ in man?
(a) Third molar
(b) Nails
(c) Segmental muscles of abdomen
(d) Coccyx

Question. Phenomenon of ‘Industrial melanism’ demonstrates
(a) geographical isolation
(b) reproductive isolation
(c) natural selection
(d) induced mutation. 

Question. Which of the following is a pair of homologous organs?
(a) Pectoral fin of rohu and forelimb of horse
(b) Wings of grasshopper and wings of crow
(c) Lungs of rabbit and gills of rohu
(d) Wings of bat and wings of butterfly

Question. Evolutionary convergence is development of
(a) common set of characters in group of different ancestry
(b) dissimilar characters in closely related groups
(c) common set of characters in closely related groups
(d) random mating.

Question. Basic principles of embryonic development were pronounced by
(a) von Baer
(b) Weismann
(c) Haeckel
(d) Morgan.

Question. The finch species of Galapagos islands are grouped according to their food sources. Which of the following is not a finch food?
(a) Carrion
(b) Insects
(c) Tree buds
(d) Seeds

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

Question. The Finches of Galapagos islands provide an evidence in favour of
(a) evolution due to mutation
(b) retrogressive evolution
(c) biogeographical evolution
(d) special creation.