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

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