MCQ Questions for Class 12 Biology Chapter 7 Evolution with Answers

MCQ Questions for Class 12 Biology Chapter 7 Evolution with Answers Set-A 

MCQ Questions for Class12 Biology Chapter 7 Evolution

Evolution Class 12 Biology MCQs Questions with Answers

Check the below NCERT MCQ Questions for Class 12 Biology Chapter 7 Evolution with Answers Pdf free download. MCQ Questions for Class 12 Biology with Answers were prepared based on the latest exam pattern. We have Provided Evolution Class 12 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 12 Biology Chapter 7 Quiz

Class 12 Biology Chapter 7 MCQ Online Test


You can refer to NCERT Solutions for Class 12 Biology Chapter 7 Evolution to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Evolution Class 12 Biology MCQ online test

Q1. 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.
Ans: life can arise from non-living things only
Q2. Animal husbandry and plant breeding programmes are the examples of
A.reverse evolution
B.aritifical selection
C.mutation
D.natural selection.
Ans: natural selection.
Q3. Palaentological evidences for evolutaion refer to the
A.development of embryo
B.homologous organs
C.fossils
D.analogous organs.
Ans: fossils
Q4. The bones of forelimbs of whale, bat, cheeah 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.the have biochemical similarities.
Ans: they share a common ancestor
Q5. Analogous organs arise due to
A.divergent evolution
B.artificial selection
C.genetic drift
D.convergent evolution.
Ans: convergent evolution.
Q6. (p+q)2 = p2 + 2pq + q2 = 1 represents an equation used in
A.population genetics
B.Mendilian genetics
C.biometircs
D.molecular genetics.
Ans: population genetics
Q7. Appearnace of antibiotic-resistant bacteria is an example of
A.adaptive radiation
B.transduction
C.pre-existing variation in the population
D.divergent evolution.
Ans: pre-existing variation in the population
Q8. Fossils are generally found in
A.sedimentasry rocks
B.igneous rocks
C.metamorphic rocks
D.any type of rock.
Ans: sedimentasry rocks
Q9. Which type of selection is industrial melanism observed in moth, Biston betularia?
A.Stabilising
B.Directional
C.Disruptive
D.Artificial
Ans: Directional
Q10. Which of the following is an example for link species ?
A.Lobe fish
B.Dodo bird
C.Seaweed
D.Chimpanzee
Ans: Lobe fish
Q11. Variations during mutations of meiotic recombinations are
A.random and directionless
B.random and directional
C.random and small
D.random small and directional
Ans: random and directionless
Q12. One of the possible early sources of energy was/were
A.CO2
B.chlorophyll
C.green plants
D.UV rays and lightning.
Ans: UV rays and lightning.
Q13. 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.
Ans: spontaneous generation
Q14. 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
Ans: Oparin and Haldane
Q15. 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.
Ans: oxidising along with H2
Q16. 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
Ans: Oxygen
Q17. The correct sequence for the manufacture of the compounds on the primitive earth is
A.NH3, CH4, protein and carbohydrate
B.protein, carbohydrate, water and nucleic acid
C.NH3, CH4, carbohydrate and nucleic acid
D.NH3, carbohydrate, protien and nucleic acid.
Ans: NH3, carbohydrate, protien and nucleic acid.
Q18. Early at mosphere contained methane and other hydrocarbons. They have been now replaced by
A.nitrogen
B.oxygen
C.carbon dioxide
D.hydrogen.
Ans: carbon dioxide
Q19. The first life originated
A.on land
B.in air
C.in water
D.all of these.
Ans: in water
Q20. Coacervates are
A.colloid droplets
B.nucleoprotein containing entities
C.microspheres
D.both (a) and (b)
Ans: both (a) and (b)

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NCERT Solutions for Class 12 Biology


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