Q. Process of selecting individuals with desired characters by man is called
✅ Correct Answer: (C)
Artificial selection
Heredity and Evolution MCQs with answers
Dear candidates you will find MCQ questions of 10th Class - Biology | Chapter: Heredity and Evolution here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
All subjects and chapters of 10th Class are listed below. You can select any subject and chapter below to learn mcq questions of that chapter and subject.
Q. The number of pairs of sex chromosomes in the zygote of a human being is
✅ Correct Answer: (A)
1
Q. A man with blood group A marries a woman having blood group O. What will be the blood group of the child?
✅ Correct Answer: (D)
Equal chance of acquiring blood group A or blood group O.
Q. What does the progeny of a tall plant with round seeds and a short plant with wrinkled seeds look like?
✅ Correct Answer: (A)
All are tall with round seeds.
Q. The process of evolution of a species whereby characteristics which help individual organisms to survive and reproduce are passed on to their offspring and those characteristics which do not help are not passed on is called
✅ Correct Answer: (D)
Natural selection
Q. Pure-bred pea plant A is crossed with pure¬bred pea plant B. It is found that the plants which look like A do not appear in Fj gene¬ration but re-emerge in F2 generation. Which of the plants A and B are tall and dwarf?
✅ Correct Answer: (D)
A are dwarf and B are tall
Q. In humans if gene B gives brown eyes and gene b gives blue eyes, what will be the colour of eyes of the persons having combinations
(i) Bb and (ii) BB?
(i) Bb and (ii) BB?
✅ Correct Answer: (C)
(i) Brown and (ii) Brown
Q. Which of the following characters can be acquired but not inherited?
✅ Correct Answer: (B)
Size of body
Q. Those organs which have different basic structure but have similar appearance and perform similar functions are called
✅ Correct Answer: (A)
Analogous organs
Q. The process by which new species develop from the existing species is known as
✅ Correct Answer: (D)
Speciation
Q. Differences between organisms in a species are described as variation. Which of the following would you describe as continuous variation?
✅ Correct Answer: (C)
Weight
Q. The more characteristics two species have in common
✅ Correct Answer: (A)
More closely they are related and more recently they had a common ancestors.
Q. To study the natural phenomenon of inheritance, Mendel selected the pea plants. Which of the following properties were suitable for their studies?
(i) Plants would easily self pollinate or cross-pollinate in nature.
(ii) Plants were easily grown in garden soil with a considerably shorter generation time.
(iii) Pea plants do not require the true-breeding for hybridisation experiments.
(iv) Many parts of the plant such as pod, seed, flower, cotyledons showed distinct phenotypes.
(i) Plants would easily self pollinate or cross-pollinate in nature.
(ii) Plants were easily grown in garden soil with a considerably shorter generation time.
(iii) Pea plants do not require the true-breeding for hybridisation experiments.
(iv) Many parts of the plant such as pod, seed, flower, cotyledons showed distinct phenotypes.
✅ Correct Answer: (B)
(ii) and (iv).
Q. What is the difference between genetic drift and change due to natural selection?
✅ Correct Answer: (C)
Genetic drift does not involve competition between members of a species.
Q. Which concept was not included in Charles Darwin’s theory of Natural Selection?
✅ Correct Answer: (B)
Punctuated equilibrium
Q. Natural selection is called ‘survival of the fittest’. Which of the following statements best describes an organism?
✅ Correct Answer: (C)
The ability to adapt to the environment in the niche it occupies.
Q. If a round, green seeded pea-plant (RRyy) is crossed with a wrinkled yellow seeded pea- plant (rrYY), the seeds produced in F1 generation are
✅ Correct Answer: (B)
round and yellow
Q. Which of the following is the ancestor of ‘Broccoli’?
✅ Correct Answer: (C)
Wild cabbage
Q. A zygote which has an X-chromosome inherited from the father will develop into a
✅ Correct Answer: (A)
girl
Q. A cross between a tall pea-plant (TT) and a short pea-plant (tt) resulted in progenies that were all tall plants because
✅ Correct Answer: (B)
shortness is the dominant trait.
Q. The theory of evolution of species by natural selection was given by
✅ Correct Answer: (B)
Darwin
Q. Which one of the following pairs are homologous organs?
✅ Correct Answer: (A)
Forelimbs of a bird and wings of a bat.
Q. Identify the two organisms which are now extinct and are studied from their fossils.
✅ Correct Answer: (B)
dinosaur and fish (Knightia)
Q. Which of the following decides the sex of the child?
✅ Correct Answer: (A)
male gamete, i.e., sperm
Q. A cross between two individuals results in a ratio of 9 : 3 : 3 :1 for four possible phenotypes of progeny. This is an example of a
✅ Correct Answer: (B)
Dihybrid cross
Q. Those organs which have the same basic structure but different functions are called
✅ Correct Answer: (C)
Homologous organs
Q. The remaps (or impressions) of dead animals or plant? that lived in the remote past are known as
✅ Correct Answer: (B)
fossils
Q. Which of the following is an example of genetic variation?
✅ Correct Answer: (D)
Two children have different eye colours.
Q. Human offspring’s sex is determined
✅ Correct Answer: (A)
through father’s sex chromosomes.
Q. Wild cabbage has evolved into new varieties like cabbage, broccoli and cauliflower by
✅ Correct Answer: (D)
artificial selection
Q. The fossil remains of Archaeopteryx is a connecting link between
✅ Correct Answer: (B)
reptiles and bird
Q. The maleness of a child is determined by
✅ Correct Answer: (B)
the Y chromosome in zygote
Q. 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
✅ Correct Answer: (D)
birds have evolved from reptiles.
10th Class mcqs download, 10th Class mcqs pdf free download, 10th Class free pdf download, 10th Class mcq questions, 10th Class ncert book pdf download,