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

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.	Which one of the following phenomena supports Darwin’s concept of natural selection in organic evolution ?
	A.Development of transgenic animals
	B.Production of “Dolly’, the sheep by cloning
	C.Prevalence of pesticide resistant insects
	D.Development of organs from ‘stem cells’ for organ transplantation.

Ans: Prevalence of pesticide resistant insects

Q2.	The phenomenon ‘ontogeny repeats phylogeny’ is explained by
	A.recapitualtion theory
	B.Inheritcance theory
	C.mutation theory
	D.natural selection theory.

Ans: recapitualtion theory

Q3.	The presence of gill slits, in the embryos of vertebrates, supports the theory of
	A.metamorphosis
	B.biogenesis
	C.organic evolution
	D.recapitulation

Ans: recapitulation

Q4.	Which is not a vestigial organ in man ?
	A.Nictitating membrane
	B.Tail vertebrae
	C.Vermiform appendix
	D.Nails

Ans: Nails

Q5.	Which one is not a vestigia organ ?
	A.Wings of kiwi
	B.Coccyx in man
	C.Pelvic girdle of python
	D.Flipper of seal

Ans: Flipper of seal

Q6.	By the statement ‘survival of the fittest’, Darwin meant that
	A.the strongest of all species survives
	B.the most intelligent of the species survives
	C.the cleverest of the species survives
	D.the species most adaptable to changes survives.

Ans: the species most adaptable to changes survives.

Q7.	Which of the following are the two key concepts of Darwinian theory of evolution ?
	A.Genetic drift and mutation
	B.Adaptive radiation and homology
	C.Mutation and natural selection
	D.Branching descent and natural selection

Ans: Branching descent and natural selection

Q8.	According to Lamarckism, long necked giraffes evolved because
	A.nature selected only long necked ones
	B.humans preferred only long necked ones
	C.short necks suddenly changed into long necks
	D.of stretching of necks over many generations by short necked ones.

Ans: of stretching of necks over many generations by short necked ones.

Q9.	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

Ans: Melanisation in peppered moth

Q10.	“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.

Ans: Malthus.

Q11.	Which one of the following scientist’s name is correctly matched with the theory put forth by him ?
	A.de Vries – Theory of natural selection
	B.Darwin – Theory of pangenesis
	C.Weismann – Theory of continuity of germplasm
	D.Pasteur – Theory of inheritance of acquired charcters

Ans: Weismann-Theory of continuity of germplasm

Q12.	Single step large mutation leading to speciation is also called
	A.founder effect
	B.saltation
	C.branching descent
	D.natural selection

Ans: saltation

Q13.	At a particular locus, frequency of allele A is 0.6 and that of allele a is 0.4. What would be the frequency of heterozygotes in a random mating population at equilibrium ?
	A.0.36
	B.0.16
	C.0.24
	D.0.48

Ans: 0.48

Q14.	Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift mutation, genetic recombination and
	A.evolution
	B.limiting facrtors
	C.saltation
	D.natural selection.

Ans: natural selection.

Q15.	The Hardy-Weinberg principle cannot operate if
	A.a population does not migrate for a longtime to a new habitat.
	B.frequent mutations occur in the population
	C.the population has no chance of interaction with other populations
	D.free interbreeding occurs among all members of the population.

Ans: frequent mutations occur in the population

Q16.	Genetic drift operates only in
	A.larger populations
	B.Mendelian populations
	C.island populations
	D.smaller populations.

Ans: smaller populations.

Q17.	Which of the following is most important for speciation ?
	A.Seasonal isolation
	B.Reproductive isolation
	C.Behavioural isolation
	D.Tropical isolation

Ans: Reproductive isolation

Q18.	The factors involved in the formation of new species are
	A.Isolation and competition
	B.gene flow and competition
	C.competition and mutation
	D.isolation and variation.

Ans: isolation and variation.

Q19.	Stabilising selection favours
	A.both extreme forms of a trait
	B.intermediate forms of a trait
	C.environmental differences
	D.one extreme form over the other extreme form and over intermediate forms of a trait.

Ans: intermediate forms of a trait

Q20.	The different forms of interbreeding species that live in different geographical regions are called
	A.sibling species
	B.sympatric species
	C.allopatric species
	D.polytypic species.

Ans: allopatric species

MCQ Questions for Class 12 Biology

NCERT Solutions for Class 12 Biology

Class 12 Biologys

NCERT SOLUTIONS FOR CLASS 12

MCQ Questions for Class 12 Biology Chapter 7 Evolution with Answers

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

Evolution Class 12 Biology MCQs Questions with Answers

Class 12 Biology Chapter 7 Quiz

Class 12 Biology Chapter 7 MCQ Online Test

Evolution Class 12 Biology MCQ online test

MCQ Questions for Class 12 Biology

NCERT Solutions for Class 12 Biology

Class 12 Biologys

NCERT Solutions for Class 12 Biology

NCERT Solutions for Class 12 Biology

Class 12 Biology

Class 12 Biology

Class 12 Biology

Class 12 Biology

Biology : Class 12

Biology : Class 12

NCERT Biology Class 12

NCERT Biology Class 12

NCERT Bio Class 12

NCERT Bio Class 12

12th NCERT Biology

12th NCERT Biology

Class 12 Biology Chapters

Class 12 Biology Chapters

MCQ QUESTIONS WITH ANSWER

NCERT SOLUTIONS FOR CLASS 12

Post a Comment

Post a Comment

Contact Form