Chapter 9 Heredity and Evolution MCQs for Class 10 Science

Chapter 9 Heredity and Evolution MCQs for Class 10 Science

Here students can practice Chapter 9 Heredity and Evolution MCQs for Class 10 Science. All the MCQs are divided into several sub-pages. Each page has 40 MCQs, for the next page just scroll down and click on the buttons. Also you can practice Class 10 Science MCQs (Multiple Choice Questions) for other chapters.

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Q 1.: The branch of biology that deals with the study of inheritance of              characters is

(A) Cytology

(B) Genetics

(C) Evolution

(D) Molecular biology

Option – (b)

Q 2.: Which of the following is a recessive trait in garden pea plant 

(A) Tall stem

(B) Wrinkled seeds

(C) Coloured seed coat

(D) Round seed

Option – (b)

Q 3.: An organism with two unlike genes for a trait is called

(A) Homozygous

(B) Heterozygous

(C) Wild variety

(D) Dominant variety

Option – (b)

Q 4.: The genetic constitution of an organism is called

(A) Genotype

(B) phenotype

(C) Variation

(D) Chromosomes

Option – (a)

Q 5.: A Mendelian cross between tall pea plants having violet flowers             and a short pea plant bearing white flowers produced a progeny             of tall plants having violet flowers. What will be genotype of tall,             violet parent?  


(B) Tt WW

(C) TT ww

(D) Tt Ww 

Option – (a)

Q 6.: Change in gene frequency due to accident with no survival advantage is called

(A) Reproductive isolation 

(B) Natural selection

(C) Genetic drift

(D) Geographical isolation

Option – (c)

Q 7.: Mendel conducted his famous breeding experiment by working on

(A) Drosophila

(B) Pisum sativum

(C) Escherichia coli

(D) all of these

Option – (b)

Q 8.: In which generation does the segregation of allelic phenotype take place?

(A) F0

(B) F2

(C) F1

(D) F3

Option – (b)

Q 9.: The allele which is unable to express its effect in the presence of              another is called

(A) Co-dominant

(B) Dominant

(C) Recessive

(D) Complementary

Option – (c)

Q 10.: In human beings sex of baby is determined at the time of 

(A) Intercourse

(B) Gamete formation

(C) Parturition

(D) Fertilisation

Option – (d)

Q 11.: Term gene was coined by

(A) Mendel

(B) Johannsen

(C) Morgan

(D) Bateson

Option – (b)

Q 12.: Gametes contain

(A) Diploid set of chromosomes

(B) Haploid set of chromosomes

(C) Sex chromosomes only

(D) Autosomes only

Option – (b)

Q 13.: Evolution of eyes in Planaria,Cockroach,Sepia and man is an                      example of

(A) Divergent evolution

(B) Convergent evolution

(C) Parallel evolution

(D) Directional evolution

Option – (b)

Q 14.: The presence of which of the following types of organs in two                    animals indicates that they do not have common ancestor

(A) Analogous organs

(B) Homologous organs

(C) Reproductive organs

(D) Vestigial organs

Option – (a)

Q 15.: The forelimbs of man , bat, horse and whale are

(A) Vestigial organs

(B) Homologous organs

(C) Analogous organs

(D) None of these

Option – (b)

Q 16.: The remains of dead animals or plants that lived in the remote                part are called

(A) Homologous organs

(B) Analogous organs

(C) Vestigial organs

(D) Fossils

Option – (d)

Q 17.: The theory ‘origin of species by natural selection’ was given by 

(A) Darwin

(B) Lamarck

(C) Morgan

(D) Mendel

Option – (a)

Q 18.: Which one of the following gasses was absent from the                                atmosphere of primitive earth

(A) Methane(CH4)

(B) Ammonia(NH3)

(C) Oxygen(O2)

(D) Carbon dioxide(CO2)

Option – (c)

Q 19.: Which of the following statements is incorrect with respect to                  variation ? 

(A) All variation in a species have a equal chance of survival.

(B) Selection of heritable variations by environmental factors forms the basis of evolutionary process.

(C) Changes in genes result in variations.

(D) Variations are minimum in organisms reproductive asexually. 

Option -(a)

Q 20.: Broccoli ,cauliflower,Kale,cabbage,etc. are produced by

(A) Reproductive isolation

(B) Artificial selection

(C) Natural selection

(D) Genetic drift

Option – (b)

Q 21.: Which of the point is not a point of Darwin’s theory?

(A) Use and disuse of certain structures

(B) Struggle for existence

(C) Survival of the fittest

(D) Natural selection

Option – (a)

Q 22.: Some dinosaurs had feathers but they did not use them for                     fight. Birds  made use of these feathers to fly. In the context of               evolution , the most appropriate explanation for this is 

(A) Dinosaurs evolved from birds

(B) Feathers of dinosaurs and birds are homologous structures.

(C) Presence of feathers is a preadaptive feature present in some bird’s ancestors.

(D) The feature has no relation with the evolution of reptiles or birds.

Option – (c)

Q 23.: Mendel conducted his famous breeding experiments by working              on:-

(A) Drosophila 

(B) Escherichia coli

(C) Pisum Sativum

(D) All of these

Option – (c)

Q 24.: Which section of DNA provides information for one protein? 

(A) Nucleus

(B) Chromosome

(C) Trait

(D) Gene

Option – (d)

Q 25.: Which of the following is an example of genetic variation?

(A) One person has a scar but his friend doesn’t

(B) One person is older than the other

(C) Reeta eats meat but her sister Geeta is a vegetarian

(D) Two children have different eye colour

Option – (d)

Q 26.: In peas, a pure tall (TT) is crossed with a pure short plant (tt).                   The ratio of pure tall plants to pure short plants in F2 generation             is:

(A) 1:3 

(B) 3:1

(C) 1:1

(D) 2:1

Option – (c)

Q 27.: Humans have two different sex chromosomes, X and Y. Based                  on Mendel’s laws, a male offspring will inherit which                                    combination of chromosomes?

(A) Both the X chromosomes from one of its parents

(B) Both the Y chromosomes from one of its parents

(C) Combination of X chromosomes from either of its parents

(D) Combination of X and Y chromosome from either of its parents

Option – (d)

Q 28.: Which of these is a pair of analogous organ?

(A) Wings of a pigeon and a bat

(B) Forelimbs of a frog and a bird 

(C) Forelimbs of a rabbit and a lizard

(D) Leaves of a pitcher plant and a Venus fly trap

Option – (a)

Q 29.: Miller and Urey performed an experiment to prove the origin of              life from organic compounds. The gases they took were:-

(A) Methane, Ethane, Ammonia, Water vapour 

(B) Methane, Ethane, Hydrogen, ammonia

(C) Ammonia, Water Vapour, Butane, Hydrogen

(D) Methane, Ammonia, Hydrogen, Water Vapour

Option – (d)

Q 30.: Two pink coloured flowers on crossing resulted in 1 red, 2 pink                and 1white flower progeny. The nature of cross will be:-   

(A) Double Fertilization

(B) Self pollination

(C) Cross Fertilization 

(D) No fertilization

Option – (c)

Q 31.: The surprise products formed in experiment conducted by                        Miller and Urey were:-

(A) Peptides

(B) Amino acids

(C) Nucleotides

(D) Nucleic acids

Option – (b)

Q 32.:  From the list given below select the character which can be                       acquired but not inherited:

(A) Colour of eyes

(B) Colour of skin

(C) Texture of hair

(D) Size of body

Option – (d)

Q 33.:  What is the probability that the male progeny will be a boy?

(A) 50%

(B) 56%

(C) 47.43%

(D) It varies

Option – (a)

Q 34.: In humans if gene B gives brown eyes and gene b gives blue                     eyes, what will be the colour of eyes of the person having                           combination (i) Bb (ii) BB:

(A) (i) Brown (ii) Brown

(B) (i) Blue (ii) Blue

(C) (i) Blue (ii) Brown 

(D) (i) Brown (ii) Blue

Option – (a)

Q 35.: A zygote which has an X-chromosome inherited from the father              will develop into a:

(A) Boy 

(B) Girl

(C) X-Chromosome does not determine the sex of a child

(D) Either boy or girl

Option – (b)

Q 36.: In pea plants, yellow seeds are dominant to green seeds. If a                    heterozygous yellow seeded plant is crossed with a green                          seeded plant, what ratio of yellow and green seeded plants                      would you expect in F1 generation?

(A) 9:1

(B) 3:1

(C) 50:50

(D) 1:3

Option – (c)

Q 37.: Which of the following statements is not true with respect to                    variation?

(A) All variations in a species have equal chances of survival.

(B) Change in genetic composition results in variation. 

(C) Selection of variants by environmental factors forms the basis of evolutionary processes.

(D) Variation is minimum in in asexual reproduction

Option – (a)

Q 38.: The two versions of a trait (character) which are brought in by                  the male and female gametes are situated on :-

(A)  Copies of same (homologous) chromosomes

(B)  Two different chromosomes

(C)  Sex chromosomes

(D)  Any Chromosomes

Option – (a)

Q 39.: Exchange of genetic material takes place in:-

(A) Vegetative reproduction

(B) Asexual reproduction

(C)  Sexual reproduction

(D) Budding 

Option – (c)

Q 40.: Two pea plants one with round green seeds (RR yy) and another              with wrinkled yellow (rrYY) seeds produce F1 progeny that have              round yellow (RrYy) seeds. When F1 plants are self pollinated,                    the F2 progeny will have a new combination of characters.                          Choose the new combinations from the following:

       (i) Round, yellow

       (ii) Round, green

       (iii) Wrinkled, Yellow

       (iv) Wrinkled, green

(A) (i) and (ii)

(B) (i) and (iv)

(C) (ii) and (iii)

(D) (i) and (iii)

Option – (b)


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We hope that these Chapter 9 Heredity and Evolution MCQs for Class 10 Science helped you in learning new concepts. All questions are based on NCERT syllabus and some of them have been asked in various competitive exams. You can go to the next pages to practice more for Chapter 9 Heredity and Evolution MCQs for Class 10 Science, click on the question range given above.

Also you can practice Class 10 Science MCQs (Multiple Choice Questions) for other chapters.