Class 10 Science Chapter 9 Heredity And Evolution MCQ Questions with Answer

Heredity And Evolution Class 10 MCQ is one of the best strategies to prepare for the CBSE Class 10 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more Heredity And Evolution Class 10 MCQ class 10, which will help them all through their board test.

Heredity And Evolution Class 10 MCQ Questions with Answer

Class 10 Science MCQ with answers are given here to chapter 9 Heredity And Evolution. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 10 Science syllabus. By Solving these Class 10 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 10 Annual exam.

Learn Heredity And Evolution Class 10 MCQ with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 10 Heredity And Evolution MCQ with answers given below.

Question 1. Name the organ analogous to the wings of birds.   
(a) forelimb of human
(b) wings of insect
(c) fore-leg of horse
(d) none of these

Question 2. Exchange of genetic material takes place in:   
(a) Vegetative reproduction
(b) Asexual reproduction
(c) Sexual reproduction
(d) Budding

Question 3. A cross between a tall plant (TT) and short plant (tt) resulted in progeny that were all tall plants as:   
(a) Tallness is the dominant trait
(b) Shortness is the dominant trait
(c) Tallness is the recessive trait
(d) Height of plant is not governed by gene t or t

Question 4. Which of the following is not a direct conclusion that can be drawn from Mendels experiment? 
(a) Only one parental trait is expressed.
(b) Two copies of each trait are inherited in sexually reproducing organism.
(c) For recessive trait to be expressed, both copies should be identical.
(d) Natural selection can alter frequency of an inherited trait.

Question 5. Which one is a possible progeny in F2 generation of pure bred tall plant with round seed and dwarf plant with wrinkled seeds?           
(a) Tall plant with round seeds
(b) Tall plant with wrinkled seeds
(c) Dwarf plant with round seed
(d) All of the above

Question 6. From the list given below, select the character which can be acquired but not inherited:     
(a) Colour of eyes
(b) Colour of skin
(c) Size of body
(d) Nature of hair

Question 7. In human males, all the chromosomes are paired perfectly except one. These unpaired chromosomes are: 
(i) Large chromosome
(ii) Small chromosome
(iii) Y chromosome
(iv) X chromosome
(a) (i) and (ii)
(b) (iii) and (ii)
(c) (iii) and (iv)
(d) (ii) and (iv)

Question 8. Which of the following statement is incorrect?   
(a) For every hormone there is a gene.
(b) For every protein there is a gene.
(c) For production of every enzyme there is a gene.
(d) For every molecule of fat there is a gene. 

Question 9. 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

Question 10. Select the incorrect statement:                   
(a) The frequency of certain genes in a population change over several generations resulting in evolution.
(b) The reduction in the weight of an organism due to starvation is genetically controlled.
(c) Low weight parents can have heavy weight progeny.
(d) Traits which are not inherited over generations do not cause evolution.

Question 11. The two versions of a trait (character) which are brought in by the male and female gametes are situated on:     
(a) Copies of the same chromosome
(b) Two different chromosomes
(c) Sex chromosomes
(d) Any chromosome

Question 12. The maleness of a child is determined by: 
(a) The X chromosome in the zygote
(b) The Y chromosome in the zygote
(c) The cytoplasm of the germ cell which determines the sex
(d) Sex is determined by chance

Whoever needs to take the CBSE Class 10 Board Exam should look at this MCQ. To the Students who will show up in CBSE Class 10 Science Board Exams, It is suggested to practice more and more questions. Aside from the sample paper you more likely had solved. These Heredity And Evolution Class 10 MCQ are ready by the subject specialists themselves.

Question 13. If the fossil of an organism is found in the deeper layers of earth, then we can predict that:       
(a) The extinction of the organism occurred recently.
(b) The extinction of the organism occurred thousands of years ago.
(c) The fossil position in the layers of Earth is not related to its time of extinction.
(d) The time of extinction cannot be determined.

Question 14. A trait in an organism is influenced by:                 
(a) Paternal DNA only
(b) Maternal DNA only
(c) Both maternal and paternal DNA
(d) Neither paternal nor maternal DNA

Question 15. A basket of vegetables contains carrot, potato, radish and tomato. Which of them represent the correct homologous structures?           
(a) Carrot and potato
(b) Carrot and tomato
(c) Radish and carrot
(d) Radish and potato

Question 16. Select the correct statement:           
(a) The tendril of a pea plant and the phylloclade of Opuntia are homologous.
(b) The tendril of a pea plant and the phylloclade of Opuntia are analogous.
(c) The wings of birds and the limbs of lizards are analogous.
(d) The wings of bird and the wings of bats are homologous.

Question 17. Select the statements that describe the characteristics of genes:     
(i) Genes are specific sequence of bases in a DNA molecule.
(ii) A gene does not code for proteins.
(iii) In individuals of a given species, a specific gene is located on a particular chromosome.
(iv) Each chromosome has only one gene.
(a) (i) and (ii)
(b) (i) and (iii)
(c) (i) and (iv)
(d) (iii) and (iv)

Question 18. The number of pair(s) of sex chromosomes in the zygote of humans is:   
(a) One
(b) Two
(c) Three
(d) Four

Question 19. Select the group which shares the maximum number of common characters:             
(a) Two individuals of a species
(b) Two species of a genus
(c) Two genera of a family
(d) Two genera of two families

Question 20. According to the evolutionary theory, for- mation of a new species is generally due to:       
(a) Sudden creation by nature.
(b) Accumulation of variations over several generations.
(c) Clones formed during asexual reproduction.
(d) Movement of individuals from one habitat to another.

Question 21. If a round, green-seeded pea plant (RR yy) is crossed with wrinkled, yellow seeded pea lant, (rr YY), the seeds production in F1 generation are: 
(a) Round and yellow
(b) Round and green
(c) Wrinkled and green
(d) Wrinkled and yellow

Question 22. In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosome is/are:     
(i) Large chromosome
(ii) Small chromosome
(iii) Y-chromosome
(iv) X-chromosome
(a) (i) and (ii)
(b) (iii) only
(c) (iii) and (iv)
(d) (ii) and (iv)

Question 23. Some dinosaurs had feathers although they could not fly but birds have feathers that help them to fly. In the context of evolution this means that: 
(a) Reptiles have evolved from birds.
(b) There is no evolutionary connection between reptiles and birds.
(c) Feathers are homologous structures in both the organisms.
(d) Birds have evolved from reptiles

Question 24. Two pink coloured flowers on crossing resulted in 1 red, 2 pink and 1 white flower progeny. The nature of the cross will be:       
(a) Double fertilization
(b) Self pollination
(c) Cross fertilization
(d) No fertilization

Question 25. In peas, a pure tall plant (TT) is crossed with a pure short plant (tt). The ratio of pure tall plants to pure short plants in F2 generation will be:   
(a) 1 : 3
(b) 3 : 1
(c) 1 : 1
(d) 2 : 1

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