CBSE Class 10 Science Chapter 9 Heredity and Evolution Multiple Choice Questions with Answers. MCQ Class 10 Science Heredity and Evolution with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Heredity and Evolution MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 6
Question 1:
Natural selection is called ‘survival of the fittest’. Which of the following statements best describes an organism?
(a) How strong it is compared to other individuals of the same species.
(b) How much food and resources it is able to gather for its offspring.
(c) The ability to adapt to the environment in the niche it occupies.
(d) The number of fertile offspring it has.
Correct Answer – (C)
Question 2 :
Which concept was not included in Charles Darwin’s theory of Natural Selection?
(a) Struggle for existence
(b) Punctuated equilibrium
(c) Survival of the fittest
(d) Overproduction of offspring.
Correct Answer – (B)
Question 3 :
Human offspring’s sex is determined
(а) through father’s sex chromosomes.
(b) through mother’s sex chromosomes.
(c) by hormones.
(d) by enzymes.
Correct Answer – (A)
Question 4 :
Assertion: Specialization is the reproductive isolation amongst once interbreeding population.
Reason: Genetic drift, Natural selection and Severe DNA change can cause specialization.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.
Correct Answer – (A)
Question 5 :
The maleness of a child is determined by
(a) the X chromosome in the zygote
(b) the Y chromosome in zygote
(c) the cytoplasm of germ cell which determines the sex
(d) sex is determined by chance
Correct Answer – (B)
Question 6 :
The remaps (or impressions) of dead animals or plant? that lived in the remote past are known as
(a) extinct species
(b) fossils
(c) naturally selected species
(d) none of the above
Correct Answer – (B)
Question 7 :
Wing of a bird and wing of an insect are
(a) Homologous organs
(b) analogous organs
(c) vestigial organ
(d) both (a) and (b)
Correct Answer – (A)
Question 8 :
Assertion: Acquired trait cannot be passed on from one generation to next generation.
Reason: Inaccuracy during DNA copying of acquired trait is minimum.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.
Correct Answer – (C)
Question 9 :
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.
Correct Answer – (D)
Question 10 :
The fossil remains of Archaeopteryx is a connecting link between
(a) reptiles and mammals
(b) reptiles and bird
(c) fish and amphibian
(d) amphibian and reptile
Correct Answer – (B)
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