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MCQs for Heredity and Evolution
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MCQs for Heredity and Evolution
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22 Questions

1. Which of the following characters can be acquired but not inherited?
2. A man with blood group A marries a woman having blood group O. What will be the blood group of the child?
3. 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?
4. A zygote which has an X-chromosome inherited from the father will develop into a
5. Process of selecting individuals with desired characters by man is called
6. Which of the following decides the sex of the child?
7. Process of selecting individuals with desired characters by man is called
8. Identify the two organisms which are now extinct and are studied from their fossils.
9. 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?
10. Which of the following decides the sex of the child?
11. 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
12. Identify the two organisms which are now extinct and are studied from their fossils.
13. 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
14. The remaps (or impressions) of dead animals or plant? that lived in the remote past are known as
15. The number of pairs of sex chromosomes in the zygote of a human being is
16. Those organs which have different basic structure but have similar appearance and perform similar functions are called
17. 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?
18. 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?
19. A cross between a tall pea-plant (TT) and a short pea-plant (tt) resulted in progenies that were all tall plants because
20. 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
21. A man with blood group A marries a woman having blood group O. What will be the blood group of the child?
22. The process by which new species develop from the existing species is known as

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